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https://issues.apache.org/jira/browse/COUCHDB-3325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15926160#comment-15926160
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ASF subversion and git services commented on COUCHDB-3325:
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Commit 92c25a98666e59ca497fa5732a81e771ff52e07d in couchdb-couch's branch
refs/heads/master from [~rnewson]
[ https://git-wip-us.apache.org/repos/asf?p=couchdb-couch.git;h=92c25a9 ]
Add sys_dbs to the LRU
COUCHDB-3325
> Track _replicator/_user shards with LRU
> ---------------------------------------
>
> Key: COUCHDB-3325
> URL: https://issues.apache.org/jira/browse/COUCHDB-3325
> Project: CouchDB
> Issue Type: Bug
> Reporter: Robert Newson
>
> We excluded _replicator and _users databases from the LRU many years ago,
> before clustering.
> It is now possible to make many _replicator and _users databases (and
> clustering multiples this effect).
> A couchdb cluster can degrade considerably in the presence of many of these
> databases even when they are empty and idle. They consume resources but are
> never closed.
> Let's include all sys_db databases in the LRU. Any active ones will remain
> open anyway, that's the point of an LRU.
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