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From "Enda Farrell (JIRA)" <j...@apache.org>
Subject [jira] Updated: (COUCHDB-644) Replicator creates URLs which are too long for the source node
Date Tue, 09 Feb 2010 16:01:28 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enda Farrell updated COUCHDB-644:
---------------------------------

    Attachment: urls.too.long.100

Attached is a sample of 100 URLs which when created were too long.

As our logging is set to ERROR only (due to https://issues.apache.org/jira/browse/COUCHDB-412)
we cannot see the source instance's logs (we use pull replication)

> Replicator creates URLs which are too long for the source node
> --------------------------------------------------------------
>
>                 Key: COUCHDB-644
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-644
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Replication
>    Affects Versions: 0.9
>         Environment: couchdb 0.9.0.r766883 CentOS x86_64 
>            Reporter: Enda Farrell
>            Priority: Critical
>         Attachments: urls.too.long.100
>
>
> We have an environment which can on ocassion create many open revs of a doc. The URLs
that the replicator creates are longer than the http://issues.apache.org/jira/browse/COUCHDB-243
"mochiweb has an 8k limit", resulting in a general server crash. 
> To date the only work-around identified is to "export" the latest revisions of all docs
in the database, destroy the database, re-create the database and reload the exported documents.
> On one of our environments we have:
> These docs have the trouble:
>     * http://db015.back.test.cwwtf.local:5984/labuk_braintestbritain/training_sessions_2255838
>     * http://db015.back.test.cwwtf.local:5984/madcache8888/b0019gpg
>     * http://db015.back.test.cwwtf.local:5984/madcache/bbc_one_scotland
>     * http://db015.back.test.cwwtf.local:5985/labuk_braintestbritain/training_sessions_1910457
>     * http://db015.back.test.cwwtf.local:5985/madcache8888/p0031rr3
>     * http://db015.back.test.cwwtf.local:5985/madcache/MAD_last_update
> Their requests length - path + params (ie no host:port) are shown here (the key) with
the number of times that that length was seen in our log files (the count):
> key => count
> 8544 => 24
> 8557 => 11
> 8568 => 2392
> 8572 => 55
> 8591 => 893
> 8594 => 45
> 8636 => 27
> Attached is a file with a sample of these too-long URLs. 

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