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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5193) Memtable flushwriter can pick a blacklisted directory
Date Sun, 03 Feb 2013 10:42:12 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569748#comment-13569748
] 

Jonathan Ellis commented on CASSANDRA-5193:
-------------------------------------------

+1
                
> Memtable flushwriter can pick a blacklisted directory
> -----------------------------------------------------
>
>                 Key: CASSANDRA-5193
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5193
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.1
>            Reporter: Aleksey Yeschenko
>            Assignee: Aleksey Yeschenko
>             Fix For: 1.2.2
>
>         Attachments: 5193.txt
>
>
> The top-level data directory will be picked by DiskAwareRunnable (directory = Directories.getLocationCapableOfSize(writeSize)),
and the top-level data directory itself might not be blacklisted (most likely won't be).
> For the same reason we can't just add a blacklist-check in the middle of Directories#getLocationCapableOfSize
- most often it's the sstable directory that gets blacklisted.
> The issue seems to be caused by/related to CASSANDRA-4292, which was committed just two
days prior 2116-2118 and undid some blacklist-aware directory-picking logic.
> Anyway, DiskAwareRunnable should be altered to respect directory blacklist.

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