You may not lose data. - What version and whats the upgrade history? - What RF / node count / CL ? - Have you been running repair consistently ? - Is this on a single node or all nodes ?
Cheers ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 8 Jul 2011, at 09:38, Héctor Izquierdo Seliva wrote: > Hi everyone, > > I'm having thousands of these errors: > > WARN [CompactionExecutor:1] 2011-07-08 16:36:45,705 > CompactionManager.java (line 737) Non-fatal error reading row > (stacktrace follows) > java.io.IOError: java.io.IOException: Impossible row size > 6292724931198053 > at > org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:719) > at > org.apache.cassandra.db.compaction.CompactionManager.doScrub(CompactionManager.java:633) > at org.apache.cassandra.db.compaction.CompactionManager.access > $600(CompactionManager.java:65) > at org.apache.cassandra.db.compaction.CompactionManager > $3.call(CompactionManager.java:250) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138) > at java.util.concurrent.ThreadPoolExecutor > $Worker.runTask(ThreadPoolExecutor.java:886) > at java.util.concurrent.ThreadPoolExecutor > $Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > Caused by: java.io.IOException: Impossible row size 6292724931198053 > ... 9 more > INFO [CompactionExecutor:1] 2011-07-08 16:36:45,705 > CompactionManager.java (line 743) Retrying from row index; data is -8 > bytes starting at 4735525245 > WARN [CompactionExecutor:1] 2011-07-08 16:36:45,705 > CompactionManager.java (line 767) Retry failed too. Skipping to next > row (retry's stacktrace follows) > java.io.IOError: java.io.EOFException: bloom filter claims to be > 863794556 bytes, longer than entire row size -8 > > > THis is during scrub, as I saw similar errors while in normal operation. > Is there anything I can do? It looks like I'm going to lose a ton of > data >
