cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Tyler Hobbs (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-10614) AsertionError while flushing memtables
Date Wed, 28 Oct 2015 16:43:27 GMT
Tyler Hobbs created CASSANDRA-10614:
---------------------------------------

             Summary: AsertionError while flushing memtables
                 Key: CASSANDRA-10614
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10614
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Tyler Hobbs
            Priority: Critical
             Fix For: 3.0.0


While running mvbench against a single local node, I noticed this stacktrace showing up multiple
times in the logs:

{noformat}
ERROR 16:40:01 Exception in thread Thread[MemtableFlushWriter:1,5,main]
java.lang.AssertionError: null
	at org.apache.cassandra.db.rows.Rows.collectStats(Rows.java:70) ~[main/:na]
	at org.apache.cassandra.io.sstable.format.big.BigTableWriter$StatsCollector.applyToRow(BigTableWriter.java:197)
~[main/:na]
	at org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:116) ~[main/:na]
	at org.apache.cassandra.db.transform.UnfilteredRows.isEmpty(UnfilteredRows.java:38) ~[main/:na]
	at org.apache.cassandra.db.ColumnIndex.writeAndBuildIndex(ColumnIndex.java:49) ~[main/:na]
	at org.apache.cassandra.io.sstable.format.big.BigTableWriter.append(BigTableWriter.java:149)
~[main/:na]
	at org.apache.cassandra.io.sstable.SimpleSSTableMultiWriter.append(SimpleSSTableMultiWriter.java:45)
~[main/:na]
	at org.apache.cassandra.io.sstable.SSTableTxnWriter.append(SSTableTxnWriter.java:52) ~[main/:na]
	at org.apache.cassandra.db.Memtable$FlushRunnable.writeSortedContents(Memtable.java:389)
~[main/:na]
	at org.apache.cassandra.db.Memtable$FlushRunnable.runMayThrow(Memtable.java:352) ~[main/:na]
	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[main/:na]
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutorService.execute(MoreExecutors.java:299)
~[guava-18.0.jar:na]
	at org.apache.cassandra.db.ColumnFamilyStore$Flush.run(ColumnFamilyStore.java:1037) ~[main/:na]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_45]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_45]
	at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_45]
{noformat}

To reproduce, run mvbench with the regular schema and the following arguments:

{noformat}
mvn exec:java -Dexec.args="--num-users 100000 --num-songs 1000000 --num-artists 10000 -n 500000
--endpoint 127.0.0.1"
{noformat}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message