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From "Filipe Manana (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COUCHDB-1013) branch 1.1.x with worse database read/write performance
Date Sat, 26 Mar 2011 13:01:06 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-1013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13011625#comment-13011625
] 

Filipe Manana commented on COUCHDB-1013:
----------------------------------------

Thanks for those comprehensive tests Jan.

On a new Linux installation I compared branch 1.1.x against branch 1.0.x - only set the nodelay
option for 1.1.x, as BenoƮt found recently that under Linux it has a significant positive
impact - https://github.com/benoitc/restkit/issues#issue/5

I made a 200 seconds relaximation read and writes test with documents of ~4kb and here are
the results:
http://graphs.mikeal.couchone.com/#/graph/698bf36b6c64dbd19aa2bef63404ecbc

These results match yours - 1.1.x has about the same performance as 1.0.x (reads seem slightly
better in 1.1.x)

Closing this ticket

> branch 1.1.x with worse database read/write performance
> -------------------------------------------------------
>
>                 Key: COUCHDB-1013
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1013
>             Project: CouchDB
>          Issue Type: Bug
>            Reporter: Filipe Manana
>             Fix For: 1.1, 1.2
>
>
> The issue is described in an e-mail sent to the development mailing list:
> http://mail-archives.apache.org/mod_mbox/couchdb-dev/201012.mbox/%3CAANLkTim5uNVkSCVhHuu_1GA1xKVFJFBWE2-Wtb4vVx8g@mail.gmail.com%3E
> It also affects trunk.
> Would love to have results from other on Linux/ext4, and other OSes/filesystems besides
Mac OS X.

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