本社区终于可以向 @ChatGPT 提问了！

ChatGPT

sipp 说：

@ChatGPT 我国的高速功能公路问什么不用图像识别收费，而是使用ETC

我国高速公路之所以使用ETC（Electronic Toll Collection，即电子不停车收费系统），而不是图像识别收费，是因为ETC系统具有以下几点优势：

更加高效：ETC系统是一种全自动的不停车收费方式，车辆通过收费站时无需停车，系统会自动扣费，从而节约了交通时间和人力物力成本。
更加精准：ETC系统能够实现精确的收费计算，根据车辆类型、车速、行驶里程等不同因素进行计费，同时也能够根据不同的路段收取不同的费用，从而确保了公路收费的公平性和合理性。
更加便捷：ETC系统使用了无线通信技术，用户只需要在车上安装一个电子标签，就可以实现全国范围内的高速公路、城市快速路等场所的无感支付，便于用户出行和管理。

相比之下，图像识别收费也存在着一些问题，比如：

无法实现100%的准确性，可能会出现识别错误的情况。
对于车辆型号、车速等信息无法进行实时监测和精确计算，容易出现计费不准确或者漏收的情况。
对于用户的隐私安全存在一定的风险，容易泄露车主的个人信息。

因此，从效率、准确性和安全性等方面考虑，ETC系统是目前高速公路收费的最佳选择。

我是小马甲~

@ChatGPT 泛域名证书有哪些好处？

ChatGPT

malaohu 说：

@ChatGPT 泛域名证书有哪些好处？

泛域名证书（Wildcard SSL Certificate）是一种SSL证书，可以保护多个子域名，以及该子域名下的所有页面和服务。以下是泛域名证书的一些优点：

经济实惠：泛域名证书适用于需要保护多个子域名的网站，相比购买多个单域名证书，可以节省一定的成本。
减少管理：使用泛域名证书可以大大减少证书和密钥的管理和更新工作，同时还可以减少证书安装的复杂度和错误率。
方便扩展：如果您有新的子域名需要保护，只需要在现有泛域名证书的基础上添加子域名即可，无需再次购买新证书。
提高安全性：泛域名证书为每个子域名提供了强大的加密和认证保护，大大提高了网站的安全性和可靠性。

总的来说，泛域名证书是为需要保护多个子域名的网站提供了更便捷、经济实惠和安全的解决方案。

我是小马甲~

@ChatGPT AlphaSSL证书好处和坏处

ChatGPT

malaohu 说：

@ChatGPT AlphaSSL证书好处和坏处

AlphaSSL证书是一种数字证书，用于保护网站和在线通信的安全性和保密性。以下是AlphaSSL证书的好处和坏处：

好处：

安全性： AlphaSSL证书使用SSL协议加密网站和在线通信，从而保护客户数据和隐私信息免受黑客和其他恶意攻击的威胁。
可信度： AlphaSSL证书由全球受信任的证书机构颁发，因此它们被大多数任何浏览器和操作系统所信任，这提高了客户信任和访问等级。
支持多域名： AlphaSSL证书支持多域名和通配符，这意味着您可以保护所有您的子域名，而不必为每个子域名单独购买证书。
管理简易性： AlphaSSL证书易于安装和管理，可以通过网页控制台进行管理、更新和撤销。

坏处：

费用：与其他证书品牌相比，AlphaSSL证书的价格相对较高。
保证和担保水平低：与其他更高级别的证书相比，AlphaSSL证书的保证和担保水平较低。但是AlphaSSL证书所提供的安全保护已经足够平衡了。

综上所述，AlphaSSL证书是可信、安全且易于管理的数字证书。使用AlphaSSL证书可以提高网站的安全性和可信度，但需要支付一定的费用，并且担保水平可能会更低。

我是小马甲~

@ChatGPT

2023-03-06T08:49:00.544807+00:00 [error] Generic server emqx_delayed terminating. Reason: {badarg,[{ets,internal_delete_all,[emqx_delayed,undefined],[{error_info,#{cause => id,module => erl_stdlib_errors}}]},{ets,delete_all_objects,1,[{file,"ets.erl"},{line,121}]},{emqx_delayed,do_load_or_unload,2,[{file,"emqx_delayed.erl"},{line,422}]},{gen_server,try_terminate,3,[{file,"gen_server.erl"},{line,733}]},{gen_server,terminate,10,[{file,"gen_server.erl"},{line,918}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]}. Last message: {'EXIT',<0.2279.0>,shutdown}. State: #{publish_at => 0,publish_timer => undefined,stats_fun => #Fun<emqx_stats.1.109520324>,stats_timer => #Ref<0.879160068.1621884932.183033>}.
2023-03-06T08:49:00.545185+00:00 [error] crasher: initial call: emqx_delayed:init/1, pid: <0.2293.0>, registered_name: emqx_delayed, error: {badarg,[{ets,internal_delete_all,[emqx_delayed,undefined],[{error_info,#{cause => id,module => erl_stdlib_errors}}]},{ets,delete_all_objects,1,[{file,"ets.erl"},{line,121}]},{emqx_delayed,do_load_or_unload,2,[{file,"emqx_delayed.erl"},{line,422}]},{gen_server,try_terminate,3,[{file,"gen_server.erl"},{line,733}]},{gen_server,terminate,10,[{file,"gen_server.erl"},{line,918}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]}, ancestors: [emqx_modules_sup,<0.2278.0>], message_queue_len: 0, messages: [], links: [<0.2279.0>], dictionary: [], trap_exit: true, status: running, heap_size: 6772, stack_size: 29, reductions: 1379636; neighbours:
2023-03-06T08:49:00.545720+00:00 [error] Supervisor: {local,emqx_modules_sup}. Context: shutdown_error. Reason: {badarg,[{ets,internal_delete_all,[emqx_delayed,undefined],[{error_info,#{cause => id,module => erl_stdlib_errors}}]},{ets,delete_all_objects,1,[{file,"ets.erl"},{line,121}]},{emqx_delayed,do_load_or_unload,2,[{file,"emqx_delayed.erl"},{line,422}]},{gen_server,try_terminate,3,[{file,"gen_server.erl"},{line,733}]},{gen_server,terminate,10,[{file,"gen_server.erl"},{line,918}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]}. Offender: id=emqx_delayed,pid=<0.2293.0>.
[os_mon] memory supervisor port (memsup): Erlang has closed
[os_mon] cpu supervisor port (cpu_sup): Erlang has closed
{"Kernel pid terminated",application_controller,"{application_terminated,emqx,shutdown}"}
Kernel pid terminated (application_controller) ({application_terminated,emqx,shutdown})

请分析一下这个错误原因。这是用Docker 部署的MQTT服务 emqx

ChatGPT

malaohu 说：

@ChatGPT

2023-03-06T08:49:00.544807+00:00 [error] Generic server emqx_delayed terminating. Reason: {badarg,[{ets,internal_delete_all,[emqx_delayed,undefined],[{error_info,#{cause => id,module => erl_stdlib_errors}}]},{ets,delete_all_objects,1,[{file,"ets.erl"},{line,121}]},{emqx_delayed,do_load_or_unload,2,[{file,"emqx_delayed.erl"},{line,422}]},{gen_server,try_terminate,3,[{file,"gen_server.erl"},{line,733}]},{gen_server,terminate,10,[{file,"gen_server.erl"},{line,918}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]}. Last message: {'EXIT',,shutdown}. State: #{publish_at => 0,publish_timer => undefined,stats_fun => #Fun,stats_timer => #Ref}.
2023-03-06T08:49:00.545185+00:00 [error] crasher: initial call: emqx_delayed:init/1, pid: , registered_name: emqx_delayed, error: {badarg,[{ets,internal_delete_all,[emqx_delayed,undefined],[{error_info,#{cause => id,module => erl_stdlib_errors}}]},{ets,delete_all_objects,1,[{file,"ets.erl"},{line,121}]},{emqx_delayed,do_load_or_unload,2,[{file,"emqx_delayed.erl"},{line,422}]},{gen_server,try_terminate,3,[{file,"gen_server.erl"},{line,733}]},{gen_server,terminate,10,[{file,"gen_server.erl"},{line,918}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]}, ancestors: [emqx_modules_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: true, status: running, heap_size: 6772, stack_size: 29, reductions: 1379636; neighbours:
2023-03-06T08:49:00.545720+00:00 [error] Supervisor: {local,emqx_modules_sup}. Context: shutdown_error. Reason: {badarg,[{ets,internal_delete_all,[emqx_delayed,undefined],[{error_info,#{cause => id,module => erl_stdlib_errors}}]},{ets,delete_all_objects,1,[{file,"ets.erl"},{line,121}]},{emqx_delayed,do_load_or_unload,2,[{file,"emqx_delayed.erl"},{line,422}]},{gen_server,try_terminate,3,[{file,"gen_server.erl"},{line,733}]},{gen_server,terminate,10,[{file,"gen_server.erl"},{line,918}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]}. Offender: id=emqx_delayed,pid=.
[os_mon] memory supervisor port (memsup): Erlang has closed
[os_mon] cpu supervisor port (cpu_sup): Erlang has closed
{"Kernel pid terminated",application_controller,"{application_terminated,emqx,shutdown}"}
Kernel pid terminated (application_controller) ({application_terminated,emqx,shutdown})

请分析一下这个错误原因。这是用Docker 部署的MQTT服务 emqx

这段日志看起来是EMQX MQTT服务器发生了错误并被关闭。对于外部环境问题的问题，很难知道错误的确切原因，但可以从日志中得出一些线索。

"memory supervisor port (memsup): Erlang has closed " 这意味着内存监视器Memsup已关闭，需要查看何时和为什么它关闭。
"cpu supervisor port (cpu_sup): Erlang has closed" 表示CPU监视器已关闭，也需要分析原因。
{application_terminated, emqx, shutdown} 意味着EMQX应用程序已经被关闭，具体原因需要通过进一步分析来确定。

最后，建议您检查EMQX服务器的配置和运行以及Docker容器的健康状态，以查找可能导致此错误的原因。

我是小马甲~

2023-03-06T08:48:50.378959+00:00 [error] crasher: initial call: disk_log:init/2, pid: <0.1885.0>, registered_name: [], exit: {{{failed,{error,{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}},[{disk_log,reopen,3}]},[{disk_log,do_exit,4,[{file,"disk_log.erl"},{line,1175}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [disk_log_sup,kernel_safe_sup,kernel_sup,<0.1704.0>], message_queue_len: 0, messages: [], links: [<0.1867.0>], dictionary: [{write_cache_timer_is_running,true},{quiet,false}], trap_exit: true, status: running, heap_size: 2586, stack_size: 29, reductions: 508844; neighbours:
2023-03-06T08:48:50.379402+00:00 [error] Supervisor: {local,disk_log_sup}. Context: child_terminated. Reason: {{failed,{error,{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}},[{disk_log,reopen,3}]}. Offender: id=disk_log,pid=<0.1885.0>.
2023-03-06T08:48:50.409114+00:00 [error] Mnesia('emqx@172.17.0.6'): ** ERROR ** (could not write core file: enospc), ** FATAL ** {error,{"Cannot rename disk_log file",latest_log,"/opt/emqx/data/mnesia/emqx@172.17.0.6/PREVIOUS.LOG",{log_header,trans_log,"4.3","4.20.4.1",'emqx@172.17.0.6',{1678,92530,377620}},{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}}
2023-03-06T08:49:00.410741+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410446+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410195+00:00 [error] crasher: initial call: gen_event:init_it/6, pid: <0.1849.0>, registered_name: mnesia_event, exit: {killed,[{gen_event,terminate_server,4,[{file,"gen_event.erl"},{line,405}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [mnesia_sup,<0.1847.0>], message_queue_len: 1, messages: [{'EXIT',<0.1853.0>,killed}], links: [], dictionary: [], trap_exit: true, status: running, heap_size: 2586, stack_size: 29, reductions: 8608; neighbours:
2023-03-06T08:49:00.410368+00:00 [error] line: 273, mfa: emqx_trace:handle_info/2, unexpected_info: {'EXIT',<0.1853.0>,killed}
2023-03-06T08:49:00.410160+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410459+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410635+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410724+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410798+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411186+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411159+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411197+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411343+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: child_terminated. Reason: killed. Offender: id=emqx_cluster_rpc,pid=<0.2062.0>.
2023-03-06T08:49:00.411324+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411272+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411411+00:00 [error] Supervisor: {local,emqx_broker_sup}. Context: child_terminated. Reason: killed. Offender: id=shared_sub,pid=<0.2154.0>.
2023-03-06T08:49:00.411308+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411532+00:00 [error] Supervisor: {local,emqx_broker_sup}. Context: shutdown. Reason: reached_max_restart_intensity. Offender: id=shared_sub,pid=<0.2154.0>.
2023-03-06T08:49:00.411951+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.411969+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17455.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.412354+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.412474+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17457.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.412619+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.412753+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17459.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.412927+00:00 [error] Supervisor: {local,emqx_sup}. Context: child_terminated. Reason: shutdown. Offender: id=emqx_broker_sup,pid=<0.2136.0>.
2023-03-06T08:49:00.412934+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.413129+00:00 [error] info: {'EXIT',<0.1853.0>,killed}, line: 166, mfa: emqx_router_helper:handle_info/2, msg: unexpected_info
2023-03-06T08:49:00.413045+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17461.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.413136+00:00 [error] Supervisor: {local,emqx_sup}. Context: shutdown. Reason: reached_max_restart_intensity. Offender: id=emqx_broker_sup,pid=<0.2136.0>.
2023-03-06T08:49:00.413316+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.413330+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17463.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.413973+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.414112+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17465.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.414329+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.414351+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17467.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.414705+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.414825+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17469.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.414977+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.415092+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17471.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.415279+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.415440+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: shutdown. Reason: reached_max_restart_intensity. Offender: id=emqx_cluster_rpc,pid={restarting,<0.2062.0>}.

@ChatGPT 请分析一下这个错误原因。这是用Docker 部署的MQTT服务 emqx

ChatGPT

malaohu 说：

2023-03-06T08:48:50.378959+00:00 [error] crasher: initial call: disk_log:init/2, pid: , registered_name: [], exit: {{{failed,{error,{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}},[{disk_log,reopen,3}]},[{disk_log,do_exit,4,[{file,"disk_log.erl"},{line,1175}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [disk_log_sup,kernel_safe_sup,kernel_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [{write_cache_timer_is_running,true},{quiet,false}], trap_exit: true, status: running, heap_size: 2586, stack_size: 29, reductions: 508844; neighbours:
2023-03-06T08:48:50.379402+00:00 [error] Supervisor: {local,disk_log_sup}. Context: child_terminated. Reason: {{failed,{error,{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}},[{disk_log,reopen,3}]}. Offender: id=disk_log,pid=.
2023-03-06T08:48:50.409114+00:00 [error] Mnesia('emqx@172.17.0.6'): ** ERROR ** (could not write core file: enospc), ** FATAL ** {error,{"Cannot rename disk_log file",latest_log,"/opt/emqx/data/mnesia/emqx@172.17.0.6/PREVIOUS.LOG",{log_header,trans_log,"4.3","4.20.4.1",'emqx@172.17.0.6',{1678,92530,377620}},{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}}
2023-03-06T08:49:00.410741+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410446+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410195+00:00 [error] crasher: initial call: gen_event:init_it/6, pid: , registered_name: mnesia_event, exit: {killed,[{gen_event,terminate_server,4,[{file,"gen_event.erl"},{line,405}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [mnesia_sup,], message_queue_len: 1, messages: [{'EXIT',,killed}], links: [], dictionary: [], trap_exit: true, status: running, heap_size: 2586, stack_size: 29, reductions: 8608; neighbours:
2023-03-06T08:49:00.410368+00:00 [error] line: 273, mfa: emqx_trace:handle_info/2, unexpected_info: {'EXIT',,killed}
2023-03-06T08:49:00.410160+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410459+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410635+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410724+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.410798+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411186+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411159+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411197+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411343+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: child_terminated. Reason: killed. Offender: id=emqx_cluster_rpc,pid=.
2023-03-06T08:49:00.411324+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411272+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411411+00:00 [error] Supervisor: {local,emqx_broker_sup}. Context: child_terminated. Reason: killed. Offender: id=shared_sub,pid=.
2023-03-06T08:49:00.411308+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event
2023-03-06T08:49:00.411532+00:00 [error] Supervisor: {local,emqx_broker_sup}. Context: shutdown. Reason: reached_max_restart_intensity. Offender: id=shared_sub,pid=.
2023-03-06T08:49:00.411951+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.411969+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.412354+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.412474+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.412619+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.412753+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.412927+00:00 [error] Supervisor: {local,emqx_sup}. Context: child_terminated. Reason: shutdown. Offender: id=emqx_broker_sup,pid=.
2023-03-06T08:49:00.412934+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.413129+00:00 [error] info: {'EXIT',,killed}, line: 166, mfa: emqx_router_helper:handle_info/2, msg: unexpected_info
2023-03-06T08:49:00.413045+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.413136+00:00 [error] Supervisor: {local,emqx_sup}. Context: shutdown. Reason: reached_max_restart_intensity. Offender: id=emqx_broker_sup,pid=.
2023-03-06T08:49:00.413316+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.413330+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.413973+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.414112+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.414329+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.414351+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.414705+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.414825+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.414977+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.415092+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.415279+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.415440+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: shutdown. Reason: reached_max_restart_intensity. Offender: id=emqx_cluster_rpc,pid={restarting,}.

@ChatGPT 请分析一下这个错误原因。这是用Docker 部署的MQTT服务 emqx

哎呀, OpenAI接口可能出问题了，请稍后再试！我这就PM站长~ @malaohu

我是小马甲~

@ChatGPT

2023-03-06T08:48:50.378959+00:00 [error] crasher: initial call: disk_log:init/2, pid: <0.1885.0>, registered_name: [], exit: {{{failed,{error,{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}},[{disk_log,reopen,3}]},[{disk_log,do_exit,4,[{file,"disk_log.erl"},{line,1175}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [disk_log_sup,kernel_safe_sup,kernel_sup,<0.1704.0>], message_queue_len: 0, messages: [], links: [<0.1867.0>], dictionary: [{write_cache_timer_is_running,true},{quiet,false}], trap_exit: true, status: running, heap_size: 2586, stack_size: 29, reductions: 508844; neighbours:
2023-03-06T08:48:50.379402+00:00 [error] Supervisor: {local,disk_log_sup}. Context: child_terminated. Reason: {{failed,{error,{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}},[{disk_log,reopen,3}]}. Offender: id=disk_log,pid=<0.1885.0>.
2023-03-06T08:48:50.409114+00:00 [error] Mnesia('emqx@172.17.0.6'): ** ERROR ** (could not write core file: enospc), ** FATAL ** {error,{"Cannot rename disk_log file",latest_log,"/opt/emqx/data/mnesia/emqx@172.17.0.6/PREVIOUS.LOG",{log_header,trans_log,"4.3","4.20.4.1",'emqx@172.17.0.6',{1678,92530,377620}},{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}}
2023-03-06T08:49:00.410741+00:00 [warning] info: {'EXIT',<0.1853.0>,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event

2023-03-06T08:49:00.415092+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: <0.17471.0>, registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,<0.2054.0>], message_queue_len: 0, messages: [], links: [<0.2061.0>], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.415279+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.415440+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: shutdown. Reason: reached_max_restart_intensity. Offender: id=emqx_cluster_rpc,pid={restarting,<0.2062.0>}.

请分析一下这个错误原因。这是用Docker 部署的MQTT服务 emqx

ChatGPT

malaohu 说：

@ChatGPT

2023-03-06T08:48:50.378959+00:00 [error] crasher: initial call: disk_log:init/2, pid: , registered_name: [], exit: {{{failed,{error,{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}},[{disk_log,reopen,3}]},[{disk_log,do_exit,4,[{file,"disk_log.erl"},{line,1175}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [disk_log_sup,kernel_safe_sup,kernel_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [{write_cache_timer_is_running,true},{quiet,false}], trap_exit: true, status: running, heap_size: 2586, stack_size: 29, reductions: 508844; neighbours:
2023-03-06T08:48:50.379402+00:00 [error] Supervisor: {local,disk_log_sup}. Context: child_terminated. Reason: {{failed,{error,{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}},[{disk_log,reopen,3}]}. Offender: id=disk_log,pid=.
2023-03-06T08:48:50.409114+00:00 [error] Mnesia('emqx@172.17.0.6'): ** ERROR ** (could not write core file: enospc), ** FATAL ** {error,{"Cannot rename disk_log file",latest_log,"/opt/emqx/data/mnesia/emqx@172.17.0.6/PREVIOUS.LOG",{log_header,trans_log,"4.3","4.20.4.1",'emqx@172.17.0.6',{1678,92530,377620}},{file_error,"/opt/emqx/data/mnesia/emqx@172.17.0.6/LATEST.LOG",enospc}}}
2023-03-06T08:49:00.410741+00:00 [warning] info: {'EXIT',,killed}, line: 140, mfa: mria_rlog_server:handle_info/2, msg: Received unknown event

2023-03-06T08:49:00.415092+00:00 [error] crasher: initial call: emqx_cluster_rpc:init/1, pid: , registered_name: [], error: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}, ancestors: [emqx_conf_sup,], message_queue_len: 0, messages: [], links: [], dictionary: [], trap_exit: false, status: running, heap_size: 610, stack_size: 29, reductions: 253; neighbours:
2023-03-06T08:49:00.415279+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: start_error. Reason: {{badmatch,{error,{node_not_running,'emqx@172.17.0.6'}}},[{emqx_cluster_rpc,init,1,[{file,"emqx_cluster_rpc.erl"},{line,276}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,423}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,390}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}. Offender: id=emqx_cluster_rpc,pid=undefined.
2023-03-06T08:49:00.415440+00:00 [error] Supervisor: {local,emqx_conf_sup}. Context: shutdown. Reason: reached_max_restart_intensity. Offender: id=emqx_cluster_rpc,pid={restarting,}.

请分析一下这个错误原因。这是用Docker 部署的MQTT服务 emqx

根据日志信息，MQTT服务emqx发生了多个错误。以下是每个错误的说明：

首先，一个名为'disk_log'的子进程崩溃了，并且导致'disk_log_sup'监督进程也停止了。错误消息中提到，emqx试图重命名'PREVIOUS.LOG'为'LATEST.LOG'，但由于该磁盘已满(enospc)，无法完成该操作。
然后，Mnesia引擎将错误消息记录在日志中，错误原因为emqx无法写入磁盘日志，原因是磁盘已满(enospc)。
最后，'emqx_cluster_rpc'子进程也崩溃了。错误消息表明，emqx_ cluster_rpc.id = emqx_cluster_rpc进程无法启动，因为' emqx@172.17.0.6'节点未运行。

综上所述，这些错误很可能是由于磁盘空间不足而导致的，因为它导致了' disk_log'和'Mnesia'引擎之间的错误。为解决此问题，可以考虑清理磁盘空间或添加更多的磁盘空间。

我是小马甲~

@ChatGPT

一个ID格式：年月日+流水号，比如：20211009000000012
请问这个格式通过什么算法能将ID长度变短？

ChatGPT

malaohu 说：

@ChatGPT

一个ID格式：年月日+流水号，比如：20211009000000012
请问这个格式通过什么算法能将ID长度变短？

该ID格式本身已经非常紧凑，但如果您仍然需要缩短它的长度，您可以考虑使用哈希算法（如MD5、SHA1、SHA256等）。

哈希算法可以将任意长度的输入数据（包括字符串）压缩成一个固定长度的输出值，这个输出值通常称为哈希值或消息摘要。哈希算法一般都是单向不可逆的，也就是说，根据哈希值无法推算出原始数据。

因此，您可以将该ID格式的字符串作为哈希算法的输入，然后将其输出的哈希值作为缩短后的ID。但需要注意的是，缩短后的ID长度应该与哈希算法输出的哈希值长度一致，否则可能会导致哈希冲突，出现不同的原始值映射到相同的哈希值的情况。

我是小马甲~

@ChatGPT

select * from info_user 

select * from info_user LIMIT 0, 99999999999999
``
上面2句SQL，info_user 有100万行数据，哪个执行效率高？

ChatGPT

malaohu 说：

@ChatGPT

select * from info_user 

select * from info_user LIMIT 0, 99999999999999
``
上面2句SQL，info_user 有100万行数据，哪个执行效率高？

第一句 SQL 查询语句运行效率高，因为它只是简单地检索整张表的数据，而第二句 SQL 语句不仅会读取整个表的所有数据，还会执行不必要的排序操作，即使LIMIT值设置得很大，但是也会导致系统资源浪费，并在运行过程中出现慢查询问题。在实际生产环境中，应该尽量避免执行类似第二句SQL语句这样的查询语句。

我是小马甲~

ChatGPT 说：

malaohu 说：
@ChatGPT
select * from info_user 

select * from info_user LIMIT 0, 99999999999999
``
上面2句SQL，info_user 有100万行数据，哪个执行效率高？
第一句 SQL 查询语句运行效率高，因为它只是简单地检索整张表的数据，而第二句 SQL 语句不仅会读取整个表的所有数据，还会执行不必要的排序操作，即使LIMIT值设置得很大，但是也会导致系统资源浪费，并在运行过程中出现慢查询问题。在实际生产环境中，应该尽量避免执行类似第二句SQL语句这样的查询语句。

@ChatGPT

不太认可你的说法，得看是什么存储引擎

要是InnoDB，聚族索引在B+树底层的叶节点上，顺序扫描就可以，不会考虑二级索引更不会带来随机读

ChatGPT

malaohu 说：

ChatGPT 说：
malaohu 说：
@ChatGPT
select * from info_user 

select * from info_user LIMIT 0, 99999999999999
``
上面2句SQL，info_user 有100万行数据，哪个执行效率高？
第一句 SQL 查询语句运行效率高，因为它只是简单地检索整张表的数据，而第二句 SQL 语句不仅会读取整个表的所有数据，还会执行不必要的排序操作，即使LIMIT值设置得很大，但是也会导致系统资源浪费，并在运行过程中出现慢查询问题。在实际生产环境中，应该尽量避免执行类似第二句SQL语句这样的查询语句。
@ChatGPT

不太认可你的说法，得看是什么存储引擎

要是InnoDB，聚族索引在B+树底层的叶节点上，顺序扫描就可以，不会考虑二级索引更不会带来随机读

您说得对，的确不同的存储引擎可以导致不同的查询效率。对于InnoDB引擎，因为聚簇索引包含了整个数据表的数据，索引和数据是放在一起的，所以在查询时，使用SELECT *这种快速扫描整张表的方式只需要顺序扫描聚簇索引，效率比较高。

如果使用的是 MyISAM 存储引擎，MyISAM 存储引擎在读取数据时会把整个数据表锁定，在读取数据时，如果使用 SELECT * 查询语句，就会先进行一次全表扫描，然后将记录按照主键值排序，再使用 LIMIT 子句截取指定行数的数据，这种方法的效率是比较低的，尤其是在数据量较大时，还会导致性能问题。

但是，无论哪种存储引擎，推荐加上限制条件限制语句查询的行数，以减少资源浪费，提高查询效率。

那椒

@ChatGPT 对团队建设及团队负责人的建议？

ChatGPT

那椒说：

@ChatGPT 对团队建设及团队负责人的建议？

团队是一个互相依赖、协同合作的集体。一个高效的团队需要不断的建设和管理。以下是一些团队建设和团队负责人的建议：

1.明确目标和任务

作为团队负责人，需要明确团队的主要目标和任务，并明确定义工作的计划和时间表。这将有助于团队成员理解他们的职责，以及项目或任务的截止日期。

2.合理分配任务

确保任务分配合理。团队成员应该根据他们的技能和经验接受特定的任务。这样可以确保每个人都能发挥他们的最大潜力。

3.鼓励对话和意见交换

发挥团队成员的创造力和专业素养，鼓励团队成员进行对话和意见交换。在团队会议上提供一个安全、支持性和建设性的环境，让每个人都有机会表达自己的看法和观点。

4.建立信任

建立团队成员之间的信任和尊重是非常重要的，它可以增强合作，提高团队协作的效率。尽量营造一个开放的环境，鼓励成员分享个人信息，以增进相互之间的了解。

5.确保及时沟通

确保随时沟通，通过短信、电子邮件、电话、视频会议等方式保持沟通，以确保项目和工作有序推进。及时了解和解决问题，可避免问题扩大化和时间的浪费。

6.奖励和认可

团队成员付出良好表现应该获得赞赏或奖励。这些行动可传递团队负责人的一种信任和信心，也可以增强团队成员的自信心及士气。这是促进团队精神和协作的重要手段之一。

7.定期评估

定期评估团队的工作是否达到预期目标，是否存在问题或其他挑战，并共同制定具有挑战性的目标和计划。此外，鉴定工作流程是否高效、无漏洞，可帮助团队改进和完善工作流程。

通过以上建议，团队负责人将可以推动团队的发展，降低团队职员离职率，并提高团队内部协作和工作效率。

那椒

@ChatGPT 对所在部门的上级领导及发展的建议？

本社区终于可以向 @ChatGPT 提问了！

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