[COUCHDB-597] Replication tasks crash.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.11
• Component/s: Database Core
• Skill Level: Regular Contributors Level (Easy to Medium)
• Assignee: Unassigned
• Reporter: Robert Newson
• Created: 12/Dec/09 23:39
• Updated: 25/Jun/13 21:30
• Resolved: 25/Jun/13 21:30

Description

If I kick off 10 replication tasks in quick succession, occasionally one or two of the replication tasks will die and not be resumed. It seems that the stat tracking is a little buggy, and under stress can eventually cause a permanent failure of the supervised replication task;

[Fri, 11 Dec 2009 19:00:08 GMT] [error] [<0.80.0>] {error_report,<0.30.0>,
{<0.80.0>,supervisor_report,
[{supervisor,{local,couch_rep_sup}},

{errorContext,shutdown_error}

,

{reason,killed}

,
{offender,
[

{pid,<0.6700.11>}

,

{name,"fcbb13200a1618cf983b347f4d2c9835+create_target"}

,
{mfa,
{gen_server,start_link,
[couch_rep,
["fcbb13200a1618cf983b347f4d2c9835",
{[

{<<"create_target">>,true}

,

{<<"source">>,<<"http://node:5984/perf-p2">>}

,

{<<"target">>,<<"perf-p2">>}

]},

{user_ctx,null,[<<"_admin">>]}

],
[]]}},

{restart_type,temporary}

,

{shutdown,1}

,

{child_type,worker}

]}]}}

[Fri, 11 Dec 2009 19:00:08 GMT] [error] [emulator] Error in process <0.6705.11> with exit value: {badarg,[{ets,insert,[stats_hit_table,{{couchdb,open_os_files},-1}]},

{couch_stats_collector,decrement,1}

]}

Issue Links

• incorporates: COUCHDB-722 Continuous replication tasks fail
• is related to: COUCHDB-596 Replication tasks sometimes never complete