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From INDRANIL BASU <indranil...@yahoo.com>
Subject Tombstoned error and then OOM
Date Mon, 03 Oct 2016 17:08:07 GMT
Hello All,



I am getting the below error repeatedly in the system log of C* 2.1.0

WARN  [SharedPool-Worker-64] 2016-09-27 00:43:35,835 SliceQueryFilter.java:236 - Read 0 live
and 1923 tombstoned cells in test_schema.test_cf.test_cf_col1_idx (see tombstone_warn_threshold).
5000 columns was requested, slices=[-], delInfo={deletedAt=-9223372036854775808, localDeletion=2147483647}
After that NullPointer Exception and finally OOM
ERROR [CompactionExecutor:6287] 2016-09-29 22:09:13,546 CassandraDaemon.java:166 - Exception
in thread Thread[CompactionExecutor:6287,1,main]
java.lang.NullPointerException: null
        at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:475)
~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:463)
~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:225)
~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.db.compaction.CompactionManager$11.run(CompactionManager.java:1061)
~[apache-cassandra-2.1.0.jar:2.1.0]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[na:1.7.0_80]
        at java.util.concurrent.FutureTask.run(Unknown Source) ~[na:1.7.0_80]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.7.0_80]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.7.0_80]
        at java.lang.Thread.run(Unknown Source) [na:1.7.0_80]
ERROR [CompactionExecutor:9712] 2016-10-01 10:09:13,871 CassandraDaemon.java:166 - Exception
in thread Thread[CompactionExecutor:9712,1,main]
java.lang.NullPointerException: null
ERROR [CompactionExecutor:10070] 2016-10-01 14:09:14,154 CassandraDaemon.java:166 - Exception
in thread Thread[CompactionExecutor:10070,1,main]
java.lang.NullPointerException: null
ERROR [CompactionExecutor:10413] 2016-10-01 18:09:14,265 CassandraDaemon.java:166 - Exception
in thread Thread[CompactionExecutor:10413,1,main]
java.lang.NullPointerException: null
ERROR [MemtableFlushWriter:2396] 2016-10-01 20:28:27,425 CassandraDaemon.java:166 - Exception
in thread Thread[MemtableFlushWriter:2396,5,main]
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method) ~[na:1.7.0_80]
        at java.lang.Thread.start(Unknown Source) ~[na:1.7.0_80]
        at java.util.concurrent.ThreadPoolExecutor.addWorker(Unknown Source) ~[na:1.7.0_80]
        at java.util.concurrent.ThreadPoolExecutor.processWorkerExit(Unknown Source)
~[na:1.7.0_80]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) ~[na:1.7.0_80]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) ~[na:1.7.0_80]
        at java.lang.Thread.run(Unknown Source) ~[na:1.7.0_80]
-- IB




   
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