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From "Sylvain Lebresne (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-3547) Race between cf flush and its secondary indexes flush
Date Thu, 01 Dec 2011 11:19:39 GMT
Race between cf flush and  its secondary indexes flush 
-------------------------------------------------------

                 Key: CASSANDRA-3547
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3547
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.0.0
            Reporter: Sylvain Lebresne
            Assignee: Sylvain Lebresne
             Fix For: 1.0.6


When a CF with indexes is flushed, it's indexes are flushed too. In particular their memtable
is switched, but without making the old memtable frozen. This can conflict with a concurrent
flush of the index itself, as reported on the user list by Michael Vaknine:
{noformat}
TST-Cass2 ERROR [Thread-58] 2011-11-30 20:40:17,449 AbstractCassandraDaemon.java (line 133)
Fatal exception in thread Thread
TST-Cass2 ERROR [Thread-58] 2011-11-30 20:40:17,449 java.lang.AssertionError
TST-Cass2 ERROR [Thread-58] 2011-11-30 20:40:17,449 at org.apache.cassandra.db.ColumnFamilyStore.maybeSwitchMemtable(ColumnFamilyStore.java:671)
TST-Cass2 ERROR [Thread-58] 2011-11-30 20:40:17,449 at org.apache.cassandra.db.ColumnFamilyStore.forceFlush(ColumnFamilyStore.java:745)
TST-Cass2 ERROR [Thread-58] 2011-11-30 20:40:17,449 at org.apache.cassandra.db.ColumnFamilyStore.forceBlockingFlush(ColumnFamilyStore.java:750)
TST-Cass2 ERROR [Thread-58] 2011-11-30 20:40:17,449 at org.apache.cassandra.db.index.keys.KeysIndex.forceBlockingFlush(KeysIndex.java:119)
TST-Cass2 ERROR [Thread-58] 2011-11-30 20:40:17,449 at org.apache.cassandra.db.index.SecondaryIndexManager.flushIndexesBlocking(SecondaryIndexManager.java:258)
TST-Cass2 ERROR [Thread-58] 2011-11-30 20:40:17,449 at org.apache.cassandra.db.index.SecondaryIndexManager.maybeBuildSecondaryIndexes(SecondaryIndexManager.java:123)
TST-Cass2 ERROR [Thread-58] 2011-11-30 20:40:17,449 at org.apache.cassandra.streaming.StreamInSession.closeIfFinished(StreamInSession.java:151)
{noformat}

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