I haven't had time to look into it yet, but just wanted to let you guys know that I hit this in case someone was in that code.
ERROR 14:07:31,215 Fatal exception in thread Thread[COMMIT-LOG-WRITER,5,main] java.nio.BufferOverflowException at java.nio.Buffer.nextPutIndex(Buffer.java:501) at java.nio.DirectByteBuffer.putInt(DirectByteBuffer.java:654) at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:259) at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:568) at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) at java.lang.Thread.run(Thread.java:662) INFO 14:07:31,504 flushing high-traffic column family CFS(Keyspace='***', ColumnFamily='***') (estimated 103394287 bytes) It happened during a fairly standard load process using M/R. After that, the server refused to come down with a standard kill. -brian -- Brian ONeill Lead Architect, Health Market Science (http://healthmarketscience.com) mobile:215.588.6024 blog: http://weblogs.java.net/blog/boneill42/ blog: http://brianoneill.blogspot.com/