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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-5193) Memtable flushwriter can pick a blacklisted directory
Date Mon, 28 Jan 2013 22:19:13 GMT
Aleksey Yeschenko created CASSANDRA-5193:
--------------------------------------------

             Summary: 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


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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