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https://issues.apache.org/jira/browse/COUCHDB-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13187705#comment-13187705
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Filipe Manana commented on COUCHDB-1380:
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Agree with Robert's analys. Indeed it seems disk_log does pwrites and fseeks
(file:position/2) in a few places. This partly explains why disk_log offers log
rotating features.
Other then reverting the commit which added disk_log to couch_log, I don't see
a better short term solution.
> logrotate doesn't work correctly with couchdb 1.2.x
> ---------------------------------------------------
>
> Key: COUCHDB-1380
> URL: https://issues.apache.org/jira/browse/COUCHDB-1380
> Project: CouchDB
> Issue Type: Bug
> Affects Versions: 1.2
> Environment: CentOS 5.6 x64, couchdb 1.2.x (13th Jan 2012 -
> 1.2.0a-08d8f89-git), logrotate 3.7.4
> Reporter: Alex Markham
> Priority: Blocker
> Labels: logging, logrotate
>
> Running logrotate -f with couchdb 1.2.x leaves null data at the start of the
> couch.log file, I'm guessing equal to the size of data that should have been
> removed and rotated into the log.1 (eg "head -c 1000000000 couch.log" is
> blank)
> This does not happen on couchdb 1.1.1, 1.0.2 or 1.0.3
> The log files then stay large, and when trying to grep or less them, they are
> reported as binary.
> This seems to have happened to another user, but no details of OS or version
> were reported: http://comments.gmane.org/gmane.comp.db.couchdb.user/16049
> The logrotate config used is very similar to the one installed with couchdb -
> /var/log/couchdb/*.log {
> size=150M
> rotate 5
> copytruncate
> compress
> delaycompress
> notifempty
> missingok
> }
> Has there been any changes to the interaction with log files/file handles
> since 1.1.1? Does couchdb need to receive a SIGHUP? Or can anyone reproduce
> this?
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