SSTable write lock not releasing
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Key: CASSANDRA-404
URL: https://issues.apache.org/jira/browse/CASSANDRA-404
Project: Cassandra
Issue Type: Bug
Components: Core
Affects Versions: 0.4
Reporter: Chris Goffinet
Attachments: stack.log.gz
Today we saw a node lock up when trying to serve reads. Current investigation
shows that some threads are trying to acquire a ssTable_.lock(). This means
that somehow Cassandra has gotten into a state with a write lock that has not
been released (blocking read locks). Thrift connections started piling up after
this occurred. We also are seeing a race condition with ConcurrentLinkedHashMap
using appendToTail.
We are currently investigating the ssTable lock. We could remove the
ConcurrentLinkedHashMap for now until that's resolved.
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