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From INDRANIL BASU <indranil...@yahoo.com>
Subject Re: Way to write to dc1 but keep data only in dc2
Date Tue, 04 Oct 2016 03:57:44 GMT
@Dorain, yes i did that by mistake. I rectified it by starting a new thread.
  Thanks and regards,-- Indranil Basu

      From: Dorian Hoxha <dorian.hoxha@gmail.com>
 To: user@cassandra.apache.org; INDRANIL BASU <indranil_db@yahoo.com> 
 Sent: Monday, 3 October 2016 11:07 PM
 Subject: Re: Way to write to dc1 but keep data only in dc2
   
@INDRANIL
Please go find your own thread and don't hijack mine.

On Mon, Oct 3, 2016 at 6:19 PM, INDRANIL BASU <indranil_db@yahoo.com> wrote:

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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