cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-126) Incorrect IOException in SequenceFile when BF returns false positive
Date Fri, 01 May 2009 13:10:30 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12704979#action_12704979
] 

Hudson commented on CASSANDRA-126:
----------------------------------

Integrated in Cassandra #55 (See [http://hudson.zones.apache.org/hudson/job/Cassandra/55/])
    avoid raising an exception in SequenceFile.next when a key does not exist (e.g. when bloom
filter gives a false positive).  patch by Jun Rao; reviewed by jbellis for 


> Incorrect IOException in SequenceFile when BF returns false positive
> --------------------------------------------------------------------
>
>                 Key: CASSANDRA-126
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-126
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jun Rao
>            Assignee: Jun Rao
>         Attachments: 126-v2.patch, issue126.patch_v1, issue126.patch_v1.test
>
>
> In SequenceFile.AbstractReader.seekTo(), an IOException is thrown when a key can't be
found in an SSTable. This is incorrect. The BF associated with the SSTable could return a
false positive. So a key may indeed not be present in the SSTable file. We need to handle
this case accordingly.

-- 
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