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From "Dave Cottlehuber (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (COUCHDB-1680) CouchDB keeps on to crash
Date Tue, 19 Feb 2013 07:51:13 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-1680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dave Cottlehuber updated COUCHDB-1680:
--------------------------------------

    Description: 
I keep on to receive the following error and couchdb engine hangs.  Anyone can give me hints
what happened?  Thanks.

Best Regards,

Reid
=====

[Mon, 18 Feb 2013 09:46:20 GMT] [error] [<0.2442.0>] {error_report,<0.31.0>,
                                   {<0.2442.0>,std_error,
                                    [{application,mochiweb},
                                     "Accept failed error","{error,emfile}"]}}


  was:
I keep on to receive the following error and couchdb engine hangs.  Anyone can give me hints
what happened?  Thanks.

Best Regards,

Reid
=====

[Mon, 18 Feb 2013 09:46:20 GMT] [error] [<0.2442.0>] {error_report,<0.31.0>,
                                   {<0.2442.0>,std_error,
                                    [{application,mochiweb},
                                     "Accept failed error","{error,emfile}"]}}
[Mon, 18 Feb 2013 09:46:20 GMT] [error] [<0.2442.0>] {error_report,<0.31.0>,
                         {<0.2442.0>,crash_report,
                          [[{initial_call,
                                {mochiweb_acceptor,init,
                                    ['Argument__1','Argument__2',
                                     'Argument__3']}},
                            {pid,<0.2442.0>},
                            {registered_name,[]},
                            {error_info,
                                {exit,
                                    {error,accept_failed},
                                    [{mochiweb_acceptor,init,3},
                                     {proc_lib,init_p_do_apply,3}]}},
                            {ancestors,
                                [couch_httpd,couch_secondary_services,
                                 couch_server_sup,<0.32.0>]},
                            {messages,[]},
                            {links,[<0.117.0>]},
                            {dictionary,[]},
                            {trap_exit,false},
                            {status,running},
                            {heap_size,1597},
                            {stack_size,24},
                            {reductions,423}],
                           []]}}
[Mon, 18 Feb 2013 09:46:20 GMT] [error] [<0.117.0>] {error_report,<0.31.0>,
                        {<0.117.0>,std_error,
                         {mochiweb_socket_server,310,
                             {acceptor_error,{error,accept_failed}}}}}


       Priority: Trivial  (was: Critical)
       Assignee: Dave Cottlehuber
     Issue Type: Question  (was: Bug)

Hi Reid,

EMFILE is the hidden message in the stack trace that tells you what the problem is.

http://publib.boulder.ibm.com/infocenter/iseries/v5r4/index.jsp?topic=%2Fapis%2Funix14.htm

You'll need to adjust hard & soft ulimits (esp nofile) for the system user running couchdb,
and potentially tune ERL_MAX_PORTS too. 

Note that JIRA is for logging bugs and features in the software, not for general support.
I'm closing this ticket, but feel free to follow up with more questions on the mailing lists
http://couchdb.apache.org/#mailing-list


                
> CouchDB keeps on to crash
> -------------------------
>
>                 Key: COUCHDB-1680
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1680
>             Project: CouchDB
>          Issue Type: Question
>          Components: Database Core
>    Affects Versions: 1.2.1
>            Reporter: Reid Lai
>            Assignee: Dave Cottlehuber
>            Priority: Trivial
>
> I keep on to receive the following error and couchdb engine hangs.  Anyone can give me
hints what happened?  Thanks.
> Best Regards,
> Reid
> =====
> [Mon, 18 Feb 2013 09:46:20 GMT] [error] [<0.2442.0>] {error_report,<0.31.0>,
>                                    {<0.2442.0>,std_error,
>                                     [{application,mochiweb},
>                                      "Accept failed error","{error,emfile}"]}}

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