Race between cf flush and its secondary indexes flush
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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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