Memtable sometimes not enqueued for flush
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Key: CASSANDRA-320
URL: https://issues.apache.org/jira/browse/CASSANDRA-320
Project: Cassandra
Issue Type: Bug
Components: Core
Environment: Debian lenny amd64 sun jdk 1.6
Reporter: Brandon Williams
There appears to be a (rare) race condition with flushing memtables.
Occasionally, when Cassandra is in the process of flushing a table, another
switch will occur. The latter table will be added to memtablesPendingFlush in
ColumnFamilyStore, but it will not be enqueued for flush and thus hang around
forever. Adding an else clause and a print statement to Memtable.java's
enqueueFlush method reveals that the memtable is not being flushed because
isFrozen_ is already true.
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