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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2011/02/22 19:20:38 UTC
[jira] Created: (CASSANDRA-2218) Performance regression caused by
cache-avoiding code in BRAF
Performance regression caused by cache-avoiding code in BRAF
------------------------------------------------------------
Key: CASSANDRA-2218
URL: https://issues.apache.org/jira/browse/CASSANDRA-2218
Project: Cassandra
Issue Type: Bug
Affects Versions: 0.7.1
Reporter: Jonathan Ellis
Assignee: Jonathan Ellis
Fix For: 0.7.3
As reported by Ivan Georgiev on the mailing list, BRAF.reBuffer unnecessarily does extra read + fadvise when seeking to the end of the file.
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[jira] Commented: (CASSANDRA-2218) Performance regression caused by
cache-avoiding code in BRAF
Posted by "T Jake Luciani (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-2218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12997950#comment-12997950 ]
T Jake Luciani commented on CASSANDRA-2218:
-------------------------------------------
good find +1
> Performance regression caused by cache-avoiding code in BRAF
> ------------------------------------------------------------
>
> Key: CASSANDRA-2218
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2218
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.7.1
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Fix For: 0.7.3
>
> Attachments: 2218.txt
>
>
> As reported by Ivan Georgiev on the mailing list, BRAF.reBuffer unnecessarily does extra read + fadvise when seeking to the end of the file.
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[jira] Updated: (CASSANDRA-2218) Performance regression caused by
cache-avoiding code in BRAF
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-2218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-2218:
--------------------------------------
Attachment: 2218.txt
> Performance regression caused by cache-avoiding code in BRAF
> ------------------------------------------------------------
>
> Key: CASSANDRA-2218
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2218
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.7.1
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Fix For: 0.7.3
>
> Attachments: 2218.txt
>
>
> As reported by Ivan Georgiev on the mailing list, BRAF.reBuffer unnecessarily does extra read + fadvise when seeking to the end of the file.
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[jira] Updated: (CASSANDRA-2218) Performance regression caused by
cache-avoiding code in BRAF
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-2218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-2218:
--------------------------------------
Remaining Estimate: 1h
Original Estimate: 1h
> Performance regression caused by cache-avoiding code in BRAF
> ------------------------------------------------------------
>
> Key: CASSANDRA-2218
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2218
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.7.1
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Fix For: 0.7.3
>
> Attachments: 2218.txt
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> As reported by Ivan Georgiev on the mailing list, BRAF.reBuffer unnecessarily does extra read + fadvise when seeking to the end of the file.
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[jira] Commented: (CASSANDRA-2218) Performance regression caused by
cache-avoiding code in BRAF
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-2218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12997972#comment-12997972 ]
Hudson commented on CASSANDRA-2218:
-----------------------------------
Integrated in Cassandra-0.7 #304 (See [https://hudson.apache.org/hudson/job/Cassandra-0.7/304/])
fix BRAF performancewhen seeking toEOF
patch by Ivan Georgiev; reviewed by tjake for CASSANDRA-2218
> Performance regression caused by cache-avoiding code in BRAF
> ------------------------------------------------------------
>
> Key: CASSANDRA-2218
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2218
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.7.1
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Fix For: 0.7.3
>
> Attachments: 2218.txt
>
>
> As reported by Ivan Georgiev on the mailing list, BRAF.reBuffer unnecessarily does extra read + fadvise when seeking to the end of the file.
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