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From Robert Newson <robert.new...@gmail.com>
Subject Re: Couch crash report
Date Mon, 15 Nov 2010 17:39:58 GMT
   exception exit: {{badmatch,{ok
   <snip...>

can you unsnip the rest of the badmatch exception text?

B.

On Mon, Nov 15, 2010 at 5:20 PM, Matthew Sinclair-Day <msddsm@gmail.com> wrote:
> We were running some tests against a system of couch servers replicating
> continuously to each other when the server/erlang process crashed.  The
> couch startup script restarted the server process per the respawn timeout
> option.
>
> These tests were mainly single shot requests, not load tests.
>
> In the couch stdout log there is a long series of crash reports, stack
> traces, etc. leading up to the restart.
>
> Can't say I understand exactly what I am reading or what is significant, but
> it looks like couch failed somewhere in reading the btree file for one of
> the databases that was under replication.  Some views in this database were
> also being updated at the same time.
>
> This is couch 1.0.1, erlang R14B, on Solaris 10.
>
> Here are some excerpts from the log.  I can provide more data if needed.
>
> =CRASH REPORT==== 2-Nov-2010::20:43:52 ===
>  crasher:
>    initial call: couch_file:init/1
>    pid: <0.1111.10>
>    registered_name: []
>    exception exit: {{badmatch,{ok
>    <snip...>
>
> =CRASH REPORT==== 2-Nov-2010::20:43:57 ===
>  crasher:
>    initial call: couch_rep_reader:init/1
>    pid: <0.1971.10>
>    registered_name: []
>    exception exit: {function_clause,
>                     [{couch_rep_reader,handle_info,
>                       [{'EXIT',<0.1972.10>,
>                         {noproc,
>
>  {gen_server,call,[<0.1113.10>,{drop,<0.1972.10>}]}}},
>                        {state,<0.1952.10>,
>                         {db,<0.13069.7>,<0.13070.7>,nil,
>                          <<"1288298701472154">>,<0.1111.10>,<0.1113.10>,
>                          {db_header,5,32,0,
>                           {84585,{13,0}},
>                           {84709,13},
>                           {12377,[]},
>                           0,nil,nil,1000},
>                          32,
>                          {btree,<0.1111.10>,
>                           {84585,{13,0}},
>                           #Fun<couch_db_updater.7.69395062>,
>                           #Fun<couch_db_updater.8.86519079>,
>                           #Fun<couch_btree.5.124754102>,
>                           #Fun<couch_db_updater.9.24674233>},
>                          {btree,<0.1111.10>,
>                           {84709,13},
>                           #Fun<couch_db_updater.10.90337910>,
>                           #Fun<couch_db_updater.11.13595824>,
>                           #Fun<couch_btree.5.124754102>,
>                           #Fun<couch_db_updater.12.34906778>},
>                          {btree,<0.1111.10>,
>                           {12377,[]},
>                           #Fun<couch_btree.0.83553141>,
>                           #Fun<couch_btree.1.30790806>,
>                           #Fun<couch_btree.2.124754102>,nil},
>                          32,<<"mps_rm">>,
>                          "/opt/couchdb/databases/mps_rm.couch",[],[],nil,
>                          {user_ctx,null,
>                           [<<"_admin">>],
>                           <<"{couch_httpd_auth,
> default_authentication_handler}">>},
>                          nil,1000,
>                          [before_header,after_header,on_file_open],
>                          false},
>                         <0.1969.10>,<0.1972.10>,[],0,
>                         {[],[]},
>                         {<0.1973.10>,#Ref<0.0.6.57758>},
>                         false,0,nil,",","+"}]},
>                      {gen_server,handle_msg,5},
>                      {proc_lib,init_p_do_apply,3}]}
>      in function  gen_server:terminate/6
>    ancestors: [<0.1952.10>,couch_rep_sup,couch_primary_services,
>                  couch_server_sup,<0.31.0>]
>    messages: []
>    links: [<0.1952.10>]
>    dictionary: []
>    trap_exit: true
>    status: running
>    heap_size: 6765
>    stack_size: 24
>    reductions: 1396
>  neighbours:
>
> =CRASH REPORT==== 2-Nov-2010::20:43:57 ===
>  crasher:
>    initial call: couch_rep_missing_revs:init/1
>    pid: <0.1969.10>
>    registered_name: []
>    exception exit: {noproc,
>                        {gen_server,call,[<0.1113.10>,{drop,<0.1952.10>}]}}
>      in function  gen_server:terminate/6
>    ancestors: [<0.1952.10>,couch_rep_sup,couch_primary_services,
>                  couch_server_sup,<0.31.0>]
>    messages: []
>    links: [<0.1970.10>]
>    dictionary: []
>    trap_exit: true
>    status: running
>    heap_size: 987
>    stack_size: 24
>    reductions: 464
>  neighbours:
>
>
>

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