couchdb-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Filipe Manana (JIRA)" <j...@apache.org>
Subject [jira] Commented: (COUCHDB-980) Micro optimization to couch_file
Date Wed, 08 Dec 2010 17:10:04 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12969376#action_12969376
] 

Filipe Manana commented on COUCHDB-980:
---------------------------------------

Committed to trunk (revision 1043524).


> Micro optimization to couch_file
> --------------------------------
>
>                 Key: COUCHDB-980
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-980
>             Project: CouchDB
>          Issue Type: Improvement
>          Components: Database Core
>            Reporter: Filipe Manana
>            Assignee: Filipe Manana
>
> The following short patch moves the MD5 verification outside the couch_file server:
> https://github.com/fdmanana/couchdb/commit/51c463d682c478dcb273bd88f1ef3046a709689f
> Despite being apparently so insignificant (couch_util:md5/1 takes about 700us in my machine),
I get this significant results with relaximation:
> $ node tests/compare_write_and_read.js --wclients 100 --rclients 200 \
>   -name1 md5_out -name2 trunk \
>   -url1 http://localhost:5984/ -url2 http://localhost:5985/ \
>   --duration 120
> run 1)  http://graphs.mikeal.couchone.com/#/graph/5c859b3e7d1b9bd0488cfe271105130c
> run 2)  http://graphs.mikeal.couchone.com/#/graph/5c859b3e7d1b9bd0488cfe2711051bba
> The documents used in the test have a size of about 1Kb.
> If nobody has an objection, I'll commit this to trunk.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message