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From "Sam Bisbee (Closed) (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (COUCHDB-174) Docs with lots of revisions break replication
Date Wed, 22 Feb 2012 04:14:49 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sam Bisbee closed COUCHDB-174.
------------------------------


Resolved for a while. Closing.
                
> Docs with lots of revisions break replication
> ---------------------------------------------
>
>                 Key: COUCHDB-174
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-174
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Database Core
>            Reporter: Adam Kocoloski
>         Attachments: couch_rep.diff
>
>
> When replicating from a remote source CouchDB uses the open_revs query string parameter
in a document request and supplies a list of revisions that are present on the source but
not on the target.  If this list is very large the resulting URL might exceed 8 KB, in which
case MochiWeb/gen_tcp will not serve the request.
> I'm sure there are a number of ways to work around this limitation.  I'm attaching a
patch that checks if the URL formed from the list of revs to open will be larger than 8 KB,
and if so chunks the list and makes multiple smaller requests.  Best,
> Adam

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