You are viewing a plain text version of this content. The canonical link for it is here.
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.

-- 
This message is automatically generated by JIRA.
-
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

[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.

-- 
This message is automatically generated by JIRA.
-
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

[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.

-- 
This message is automatically generated by JIRA.
-
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

[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.

-- 
This message is automatically generated by JIRA.
-
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

[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.

-- 
This message is automatically generated by JIRA.
-
For more information on JIRA, see: http://www.atlassian.com/software/jira