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From Stefan Kögl (JIRA) <j...@apache.org>
Subject [jira] [Updated] (COUCHDB-994) Crash after compacting large views
Date Fri, 26 Aug 2011 13:49:32 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stefan Kögl updated COUCHDB-994:
--------------------------------

    Attachment: 2011-08-26-couchdb.log

I again has a compaction crash, this time with a current 1.1.x branch. It seems the view indexer
and the compaction have been running in parallel. As soon as the indexer finished, the compaction
finished too and crashed.

The current seq was around 90M, the the view probably contained <10 rows.

> Crash after compacting large views
> ----------------------------------
>
>                 Key: COUCHDB-994
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-994
>             Project: CouchDB
>          Issue Type: Bug
>    Affects Versions: 1.0.2
>         Environment: Centos5 64bit vm with 2CPU and 4G RAM running Erlang R14B and configured
to use the 64bit js-devel libraries.
> URL: http://svn.apache.org/repos/asf/couchdb/branches/1.0.x
> Repository Root: http://svn.apache.org/repos/asf
> Repository UUID: 13f79535-47bb-0310-9956-ffa450edef68
> Revision: 1050680
>            Reporter: Bob Clary
>             Fix For: 1.1.1, 1.2
>
>         Attachments: 0001-Write-header-before-handing-over-compacted-group.patch, 2011-06-11-couchdb.log,
2011-06-13-couchdb.log, 2011-06-15-2-couchdb.log, 2011-06-15-couchdb.log, 2011-06-16-couchdb.log,
2011-08-26-couchdb.log, couch_errors.txt, couch_errors_2.txt, couchdb-994-db-open-logic-11x.patch,
couchdb-994-db-open-logic.patch
>
>
> The database has over 9 million records. Several of the views are relatively dense in
that they emit a key for most documents. The views are successfully created initially but
with relatively large sizes from 20 to 95G. When attempting to compact them, the server will
crash upon completion of the compaction.
> This does not occur with the released 1.0.1 version but does with the 1.0.x svn version.
I'll attach example logs. Unfortunately they are level error and may not have enough information.

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