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From "Benoit Chesneau (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COUCHDB-1874) Continuous replication slows down over time
Date Wed, 29 Jan 2014 12:00:15 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-1874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13885276#comment-13885276
] 

Benoit Chesneau commented on COUCHDB-1874:
------------------------------------------

would be good to have a test  reproducing/checking the issue. or a diff that could help.

> Continuous replication slows down over time
> -------------------------------------------
>
>                 Key: COUCHDB-1874
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1874
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Replication
>            Reporter: Joan Touzet
>
> As reported on the mailing list:
> bq. > Did you specify "continuous": true in the replication spec?  If you did, do
you see the same slowdown if you omit that flag?
> bq. > This sounds rather similar to a bug we encountered in early builds of BigCouch,
but I don't remember the history of the codebase well enough to say whether the bug might
be latent in Apache CouchDB.
> bq. Yes, I was using "continuous": true.
> bq. You're right: When disabling "continuous", replication seems more stable and efficient
(1200 doc/sec). Thank you !
> And, from IRC:
> bq. 12:54 <+rnewson> iirc the cause we found was an unconsumed event message that
gradually fills the mailbox, which sounds like it ought to affect couchdb.



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