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From Jason Smith <...@iriscouch.com>
Subject Re: [jira] [Commented] (COUCHDB-1346) CouchDB hangs during start of view indexing
Date Tue, 11 Dec 2012 00:53:33 GMT
Only a handful of people requested to run the 1.3 prebuilds. However I have
not heard complaints so far.


On Tue, Dec 11, 2012 at 7:01 AM, Jan Lehnardt (JIRA) <jira@apache.org>wrote:

>
>     [
> https://issues.apache.org/jira/browse/COUCHDB-1346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13528465#comment-13528465]
>
> Jan Lehnardt commented on COUCHDB-1346:
> ---------------------------------------
>
> And as a point of confirmation, master with the patch reverted works as
> expected.
>
> Our options:
>
> A)
>  - revert and release 1.3.0
>  - understand the root cause and work around it if possible and re-land in
> 1.4 or later.
>
> B)
>  - revert and reintroduce with a OS-switch that disables the code on Win32.
>  - understand the root cause and work around it if possible and re-enable
> in Win32 in 1.4 or later.
>
> Given that we had zero reports of random lockups with 1.3.0 yet (would
> love to hear from Jason who has 1.3.x running on IrisCouch for a few
> weeks), I currently opt for B).
>
> People who should look at this:
>
>  - Jason
>  - Paul
>  - Dave
>  - Anyone else who is interested.
>
> > CouchDB hangs during start of view indexing
> > -------------------------------------------
> >
> >                 Key: COUCHDB-1346
> >                 URL: https://issues.apache.org/jira/browse/COUCHDB-1346
> >             Project: CouchDB
> >          Issue Type: Bug
> >          Components: View Server Support
> >    Affects Versions: 1.3
> >         Environment: Windows 7 Enterprise only, not able to replicate on
> Mac OS X.
> > Erlang R14B03 + crypto patches.
> > Mozilla Javascript 1.8.5
> >            Reporter: Dave Cottlehuber
> >            Assignee: Adam Kocoloski
> >            Priority: Blocker
> >              Labels: Windows
> >             Fix For: 1.3
> >
> >
> > [info] [<0.20499.0>] Opening index for db: test_suite_db idx:
> f4421bf4e9c9bf2acb3db91bca9e9adc sig: "d5c87ad33242b181f86be2139cbccd96"
> > [info] [<0.20504.0>] Starting index update for db: test_suite_db idx:
> f4421bf4e9c9bf2acb3db91bca9e9adc
> > [info] [<0.20334.0>] 172.16.40.1 - - POST /test_suite_db/_temp_view 500
> > [info] [<0.20513.0>] 172.16.40.1 - - GET
> /_utils/couch_tests.html?script/couch_tests.js 200
> > [info] [<0.20514.0>] 172.16.40.1 - - GET /_utils/index.html 200
> > [info] [<0.20060.0>] 172.16.40.1 - - DELETE /test_suite_db_a/ 200
> > [info] [<0.20407.0>] 172.16.40.1 - - GET /test_suite_reports/ 404
> > [info] [<0.20058.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20071.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20069.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20484.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20364.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20062.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20388.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20345.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20072.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20059.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20061.0>] 172.16.40.1 - - DELETE /test_suite_db/ 404
> > [info] [<0.20472.0>] 172.16.40.1 - - DELETE /test_suite_db/ 200
> > [error] [<0.20050.0>] ** Generic server couch_index_server terminating
> > ** Last message in was {'$gen_cast',{reset_indexes,<<"test_suite_db">>}}
> > ** When Server state == {st,"../var/lib/couchdb"}
> > ** Reason for termination ==
> > ** {{case_clause,{error,eacces}},
> >     [{couch_file,'-nuke_dir/2-fun-0-',3},
> >      {lists,foreach,2},
> >      {couch_file,nuke_dir,2},
> >      {couch_index_server,handle_cast,2},
> >      {gen_server,handle_msg,5},
> >      {proc_lib,init_p_do_apply,3}]}
> > =ERROR REPORT==== 23-Nov-2011::21:17:14 ===
> > ** Generic server couch_index_server terminating
> > ** Last message in was {'$gen_cast',{reset_indexes,<<"test_suite_db">>}}
> > ** When Server state == {st,"../var/lib/couchdb"}
> > ** Reason for termination ==
> > ** {{case_clause,{error,eacces}},
> >     [{couch_file,'-nuke_dir/2-fun-0-',3},
> >      {lists,foreach,2},
> >      {couch_file,nuke_dir,2},
> >      {couch_index_server,handle_cast,2},
> >      {gen_server,handle_msg,5},
> >      {proc_lib,init_p_do_apply,3}]}
> > [error] [<0.20050.0>] {error_report,<0.19957.0>,
> >                           {<0.20050.0>,crash_report,
> >                            [[{initial_call,
> >
>  {couch_index_server,init,['Argument__1']}},
> >                              {pid,<0.20050.0>},
> >                              {registered_name,couch_index_server},
> >                              {error_info,
> >                                  {exit,
> >                                      {{case_clause,{error,eacces}},
> >
> [{couch_file,'-nuke_dir/2-fun-0-',3},
> >                                        {lists,foreach,2},
> >                                        {couch_file,nuke_dir,2},
> >
>  {couch_index_server,handle_cast,2},
> >                                        {gen_server,handle_msg,5},
> >                                        {proc_lib,init_p_do_apply,3}]},
> >                                      [{gen_server,terminate,6},
> >                                       {proc_lib,init_p_do_apply,3}]}},
> >                              {ancestors,
> >
>  [couch_secondary_services,couch_server_sup,
> >                                   <0.19958.0>]},
> >                              {messages,
> >                                  [{'$gen_cast',
> >
> {reset_indexes,<<"test_suite_db_a">>}}]},
> >                              {links,[<0.20051.0>,<0.20026.0>]},
> >                              {dictionary,[]},
> >                              {trap_exit,true},
> >                              {status,running},
> >                              {heap_size,1597},
> >                              {stack_size,24},
> >                              {reductions,12211}],
> >                             [{neighbour,
> >                                  [{pid,<0.20051.0>},
> >                                   {registered_name,[]},
> >                                   {initial_call,
> >
> {couch_event_sup,init,['Argument__1']}},
> >                                   {current_function,{gen_server,loop,6}},
> >                                   {ancestors,
> >                                       [couch_index_server,
> >                                        couch_secondary_services,
> >                                        couch_server_sup,<0.19958.0>]},
> >                                   {messages,[]},
> >                                   {links,[<0.20050.0>,<0.20018.0>]},
> >                                   {dictionary,[]},
> >                                   {trap_exit,false},
> >                                   {status,waiting},
> >                                   {heap_size,233},
> >                                   {stack_size,9},
> >                                   {reductions,32}]}]]}}
> > =CRASH REPORT==== 23-Nov-2011::21:17:14 ===
> >   crasher:
> >     initial call: couch_index_server:init/1
> >     pid: <0.20050.0>
> >     registered_name: couch_index_server
> >     exception exit: {{case_clause,{error,eacces}},
> >                      [{couch_file,'-nuke_dir/2-fun-0-',3},
> >                       {lists,foreach,2},
> >                       {couch_file,nuke_dir,2},
> >                       {couch_index_server,handle_cast,2},
> >                       {gen_server,handle_msg,5},
> >                       {proc_lib,init_p_do_apply,3}]}
> >       in function  gen_server:terminate/6
> >     ancestors: [couch_secondary_services,couch_server_sup,<0.19958.0>]
> >     messages: [{'$gen_cast',{reset_indexes,<<"test_suite_db_a">>}}]
> >     links: [<0.20051.0>,<0.20026.0>]
> >     dictionary: []
> >     trap_exit: true
> >     status: running
> >     heap_size: 1597
> >     stack_size: 24
> >     reductions: 12211
> >   neighbours:
> >     neighbour: [{pid,<0.20051.0>},
> >                   {registered_name,[]},
> >                   {initial_call,{couch_event_sup,init,['Argument__1']}},
> >                   {current_function,{gen_server,loop,6}},
> >
> {ancestors,[couch_index_server,couch_secondary_services,
> >                               couch_server_sup,<0.19958.0>]},
> >                   {messages,[]},
> >                   {links,[<0.20050.0>,<0.20018.0>]},
> >                   {dictionary,[]},
> >                   {trap_exit,false},
> >                   {status,waiting},
> >                   {heap_size,233},
> >                   {stack_size,9},
> >                   {reductions,32}]
> > [error] [<0.20026.0>] {error_report,<0.19957.0>,
> >                           {<0.20026.0>,supervisor_report,
> >
>  [{supervisor,{local,couch_secondary_services}},
> >                             {errorContext,child_terminated},
> >                             {reason,
> >                                 {{case_clause,{error,eacces}},
> >                                  [{couch_file,'-nuke_dir/2-fun-0-',3},
> >                                   {lists,foreach,2},
> >                                   {couch_file,nuke_dir,2},
> >                                   {couch_index_server,handle_cast,2},
> >                                   {gen_server,handle_msg,5},
> >                                   {proc_lib,init_p_do_apply,3}]}},
> >                             {offender,
> >                                 [{pid,<0.20050.0>},
> >                                  {name,index_server},
> >
>  {mfargs,{couch_index_server,start_link,[]}},
> >                                  {restart_type,permanent},
> >                                  {shutdown,brutal_kill},
> >                                  {child_type,worker}]}]}}
> > OS process tree at this time is:
> > Process information for SENDAI:
> > Name                             Pid Pri Thd  Hnd      VM      WS    Priv
> > Idle                               0   0   2    0       0      24       0
> >   System                           4   8  79  477    3380     304     108
> > explorer                        1984   8  21  664  213732   46340   21540
> >   cmd                           2104   8   1   25   48132    3304    2144
> >     pslist                      2776  13   1  133   63584    4976    2000
> >   cmd                           2504   8   1   26   44980    3512    3012
> >     werl                        2680   8  16  390  196232   40064   28628
> >       win32sysinfo              1152   8   1   21   12624    2124     640
> >       couchspawnkillable        1444   8   1   30   12992    2284     688
> >         couchjs                 1468   8   1   39   55900    6572    4056
> >       couchspawnkillable        2740   8   1   30   12992    2280     684
> >         couchjs                 2756   8   1   39   55900    7108    4444
> > Erlang resumes running CouchDB when couchjs procs are terminated with
> extreme
> > prejudice. The hang still occurs after reverting fdmanana's COUCHDB-1334
> > commit. This could be a race condition during invalidation of the views,
> and
> > subsequent deletion of the related ddoc view directory prior to
> reindexing.
> > On Windows a filesystem object cannot be deleted if there are open
> handles
> > remaining.
>
> --
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-- 
Iris Couch

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