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From Adam Kocoloski <kocol...@apache.org>
Subject Re: Help understanding crash log
Date Thu, 01 May 2014 04:11:18 GMT
The process that manages the .ini configuration information inside the server was taking longer
than 5 seconds to respond to requests. This caused other processes to crash. Eventually the
death rate for processes in the supervision tree grew large enough that the VM decided to
nuke the entire Erlang application.

Of course, this raises the question -- why was couch_config timing out on register requests?
There's nothing in that log which can help us figure that out.

Adam

On Apr 30, 2014, at 11:47 PM, Herman Chan <hermanccw@gmail.com> wrote:

> hi all,
> 
> Our couchdb server (1.2) just died and had to be restarted, can someone explain to me
the crash log below?
> 
> Thu, 01 May 2014 03:30:02 GMT] [error] [<0.4723.2131>] {error_report,<0.31.0>,
>                         {<0.4723.2131>,crash_report,
>                          [[{initial_call,
>                             {couch_index_server,init,['Argument__1']}},
>                            {pid,<0.4723.2131>},
>                            {registered_name,[]},
>                            {error_info,
>                             {exit,
>                              {timeout,
>                               {gen_server,call,
>                                [couch_config,
>                                 {register,
>                                  #Fun<couch_index_server.config_change.2>,
>                                  <0.4723.2131>}]}},
>                              [{gen_server,init_it,6},
>                               {proc_lib,init_p_do_apply,3}]}},
>                            {ancestors,
>                             [couch_secondary_services,couch_server_sup,
>                              <0.32.0>]},
>                            {messages,[]},
>                            {links,[<0.27000.2602>]},
>                            {dictionary,[]},
>                            {trap_exit,true},
>                            {status,running},
>                            {heap_size,377},
>                            {stack_size,24},
>                            {reductions,144}],
>                           []]}}
> [Thu, 01 May 2014 03:30:02 GMT] [error] [<0.27000.2602>] {error_report,<0.31.0>,
>                          {<0.27000.2602>,supervisor_report,
>                           [{supervisor,{local,couch_secondary_services}},
>                            {errorContext,start_error},
>                            {reason,
>                             {timeout,
>                              {gen_server,call,
>                               [couch_config,
>                                {register,
>                                 #Fun<couch_index_server.config_change.2>,
>                                 <0.4723.2131>}]}}},
>                            {offender,
>                             [{pid,<0.27013.2602>},
>                              {name,index_server},
>                              {mfargs,{couch_index_server,start_link,[]}},
>                              {restart_type,permanent},
>                              {shutdown,brutal_kill},
>                              {child_type,worker}]}]}}
> [Thu, 01 May 2014 03:30:02 GMT] [error] [<0.27000.2602>] {error_report,<0.31.0>,
> {<0.27000.2602>,supervisor_report,
>                           [{supervisor,{local,couch_secondary_services}},
>                            {errorContext,start_error},
>                            {reason,
>                             {timeout,
>                              {gen_server,call,
>                               [couch_config,
>                                {register,
>                                 #Fun<couch_index_server.config_change.2>,
>                                 <0.4723.2131>}]}}},
>                            {offender,
>                             [{pid,<0.27013.2602>},
>                              {name,index_server},
>                              {mfargs,{couch_index_server,start_link,[]}},
>                              {restart_type,permanent},
>                              {shutdown,brutal_kill},
>                              {child_type,worker}]}]}}
> [Thu, 01 May 2014 03:30:02 GMT] [error] [<0.27000.2602>] {error_report,<0.31.0>,
>                          {<0.27000.2602>,supervisor_report,
>                           [{supervisor,{local,couch_secondary_services}},
>                            {errorContext,shutdown},
>                            {reason,reached_max_restart_intensity},
>                            {offender,
>                             [{pid,<0.27013.2602>},
>                              {name,index_server},
>                              {mfargs,{couch_index_server,start_link,[]}},
>                              {restart_type,permanent},
>                              {shutdown,brutal_kill},
>                              {child_type,worker}]}]}}
> [Thu, 01 May 2014 03:30:02 GMT] [error] [<0.83.0>] {error_report,<0.31.0>,
>                       {<0.83.0>,supervisor_report,
>                        [{supervisor,{local,couch_server_sup}},
>                         {errorContext,child_terminated},
>                         {reason,shutdown},
>                         {offender,
>                             [{pid,<0.27000.2602>},
>                              {name,couch_secondary_services},
>                              {mfargs,{couch_secondary_sup,start_link,[]}},
>                              {restart_type,permanent},
>                              {shutdown,infinity},
>                              {child_type,supervisor}]}]}}


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