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From "Dave Cottlehuber (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COUCHDB-1346) CouchDB hangs during start of view indexing
Date Tue, 11 Dec 2012 08:01:24 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-1346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13528781#comment-13528781
] 

Dave Cottlehuber commented on COUCHDB-1346:
-------------------------------------------

After a long night of bisectus interruptus, I get the same result:

erl@werl /relax/couchdb
$ git bisect good
a851c6e5150d14221ca018587d76214856c1555a is the first bad commit
commit a851c6e5150d14221ca018587d76214856c1555a
Author: Filipe David Borba Manana <fdmanana@apache.org>
Date:   Sun Nov 6 14:25:04 2011 +0000

    More efficient communication with the view server

    This change makes the communication between the Erlang VM and
    an external view server (couchjs for e.g.) more efficient by
    writing a series of commands into the port and reading all the
    responses from the external view server after doing all those
    writes. This minimizes the amount of time each endpoint spends
    blocked reading from the port.

    COUCHDB-1334

& doing a clean build from 1.3.x just reverting this patch works on both my build boxes
(this time :/).

+0 on A in general given that many of us have been using 1.3.x actively for months on other
platforms without issue.

+1 for B.

                
> 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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