[jira] Updated: (LUCENE-2825) FSDirectory.open should return MMap on 64-bit Solaris

["Robert Muir (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-2825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir updated LUCENE-2825:
--------------------------------

    Attachment: LUCENE-2825.patch

Here's the patch, and luceneutil 10M doc results:

(solaris 9, ultra60 2GB ram, 1.6u23 jre with -d64)

||Query||QPS trunk||QPS patch||Pct diff||||
|spanFirst(unit, 5)|0.68|0.71|{color:green}3.7%{color}|
|spanNear([unit, state], 10, true)|0.14|0.15|{color:green}7.3%{color}|
|"unit state"|0.34|0.37|{color:green}9.1%{color}|
|unit state|0.37|0.45|{color:green}21.7%{color}|
|unit*|1.12|1.40|{color:green}25.4%{color}|
|uni*|0.61|0.79|{color:green}30.2%{color}|
|+unit +state|0.52|0.69|{color:green}33.1%{color}|
|unit~1.0|0.28|0.38|{color:green}34.9%{color}|
|unit~2.0|0.27|0.37|{color:green}36.2%{color}|
|state|1.10|1.52|{color:green}38.0%{color}|
|united~1.0|0.42|0.60|{color:green}42.7%{color}|
|united~2.0|0.10|0.15|{color:green}46.8%{color}|
|un*d|1.97|3.09|{color:green}56.5%{color}|
|u*d|0.52|0.85|{color:green}61.3%{color}|
|+nebraska +state|3.51|6.73|{color:green}91.6%{color}|


> FSDirectory.open should return MMap on 64-bit Solaris
> -----------------------------------------------------
>
>                 Key: LUCENE-2825
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2825
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Store
>            Reporter: Robert Muir
>             Fix For: 3.1, 4.0
>
>         Attachments: LUCENE-2825.patch
>
>
> MMap is ~ 30% faster than NIOFS on this platform.

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


---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
For additional commands, e-mail: dev-help@lucene.apache.org