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Dmitrii Saprykin commented on CASSANDRA-9126: --------------------------------------------- Thanks a lot for your reply! cfstats output for affected keyspace: {noformat} Keyspace: bigks Read Count: 50 Read Latency: 12.39796 ms. Write Count: 228916 Write Latency: 0.031050756609411312 ms. Pending Tasks: 0 Table: chunks SSTable count: 1208 SSTables in each level: [5/4, 14/10, 105/100, 1016/1000, 68, 0, 0, 0, 0] Space used (live), bytes: 311268548761 Space used (total), bytes: 311268548761 Off heap memory used (total), bytes: 353408 SSTable Compression Ratio: 0.0 Number of keys (estimate): 329472 Memtable cell count: 0 Memtable data size, bytes: 0 Memtable switch count: 1 Local read count: 0 Local read latency: 0.000 ms Local write count: 11 Local write latency: 0.000 ms Pending tasks: 0 Bloom filter false positives: 0 Bloom filter false ratio: 0.00000 Bloom filter space used, bytes: 321888 Bloom filter off heap memory used, bytes: 312224 Index summary off heap memory used, bytes: 41184 Compression metadata off heap memory used, bytes: 0 Compacted partition minimum bytes: 61215 Compacted partition maximum bytes: 36157190 Compacted partition mean bytes: 1325042 Average live cells per slice (last five minutes): 0.0 Average tombstones per slice (last five minutes): 0.0 {noformat} > java.lang.RuntimeException: Last written key DecoratedKey >= current key > DecoratedKey > ------------------------------------------------------------------------------------- > > Key: CASSANDRA-9126 > URL: https://issues.apache.org/jira/browse/CASSANDRA-9126 > Project: Cassandra > Issue Type: Bug > Components: Core > Reporter: srinivasu gottipati > Priority: Critical > Fix For: 2.0.x > > > Cassandra V: 2.0.14, > Getting the following exceptions while trying to compact (I see this issue > was raised in earlier versions and marked as closed. However it still appears > in 2.0.14). In our case, compaction is not getting succeeded and keep failing > with this error.: > {code}java.lang.RuntimeException: Last written key > DecoratedKey(3462767860784856708, > 354038323137333038305f3330325f31355f474d4543454f) >= current key > DecoratedKey(3462334604624154281, > 354036333036353334315f3336315f31355f474d4543454f) writing into {code} > ....... > Stacktrace:{code} > at > org.apache.cassandra.io.sstable.SSTableWriter.beforeAppend(SSTableWriter.java:143) > at > org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:166) > at > org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:167) > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) > at > org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:60) > at > org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59) > at > org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:198) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745){code} > Any help is greatly appreciated -- This message was sent by Atlassian JIRA (v6.3.4#6332)