Details
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Improvement
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Status: Resolved
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Low
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Resolution: Information Provided
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None
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None
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None
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2nodes,
each 8GB RAM
500GB Disk
dual core
Description
Was performing load testing on my tables using cassandra-stress and after the test I did drop the keyspace(autogeneratedtest). I keep getting the message in system.log every minute.
component_tracking_by_scid-ka-6-Data.db
component_tracking_by_scid-ka-7-Data.db
component_tracking_by_scid-ka-8-Data.db
component_tracking_by_scid-ka-9-Data.db
component_tracking_by_scid-ka-10-Data.db
These SSTables no longer exists in my data directory. Just wanted to know if deleting saved_caches of this keyspace would fix my issue. If so, is that good practice to delete saved_caches?
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INFO [CompactionExecutor:5] 2015-11-17 09:27:58,894 CompactionTask.java:141 - Compacting [SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-8-Data.db'), SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-7-Data.db'), SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-6-Data.db'), SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-9-Data.db'), SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-10-Data.db')]
ERROR [CompactionExecutor:5] 2015-11-17 09:27:58,895 CassandraDaemon.java:222 - Exception in thread Thread[CompactionExecutor:5,1,main]
java.lang.AssertionError: /apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-8-Data.db
at org.apache.cassandra.io.sstable.SSTableReader.getApproximateKeyCount(SSTableReader.java:279) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:151) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:73) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:236) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_31]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_31]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_31]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_31]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_31]