[ 
https://issues.apache.org/jira/browse/CASSANDRA-8689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14299350#comment-14299350
 ] 

Tyler Hobbs commented on CASSANDRA-8689:
----------------------------------------

[~jeffl] can you enable TRACE level logging on the IndexSummaryManager class to 
see if we can get more details about what might be happening?

You should be able to do that by adding the following line to {{logback.xml}}:

{noformat}
<logger name="org.apache.cassandra.io.sstable.IndexSummaryManager" 
level="TRACE"/>
{noformat}

The IndexSummaryManager runs a resize process once every hour (by default), so 
it may take a while to see something in the logs.

> Assertion error in 2.1.2: ERROR [IndexSummaryManager:1]
> -------------------------------------------------------
>
>                 Key: CASSANDRA-8689
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8689
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jeff Liu
>             Fix For: 2.1.3
>
>
> After upgrading a 6 nodes cassandra from 2.1.0 to 2.1.2, start getting the 
> following assertion error.
> {noformat}
> ERROR [IndexSummaryManager:1] 2015-01-26 20:55:40,451 
> CassandraDaemon.java:153 - Exception in thread 
> Thread[IndexSummaryManager:1,1,main]
> java.lang.AssertionError: null
>         at org.apache.cassandra.io.util.Memory.size(Memory.java:307) 
> ~[apache-cassandra-2.1.2.jar:2.1.2]
>         at 
> org.apache.cassandra.io.sstable.IndexSummary.getOffHeapSize(IndexSummary.java:192)
>  ~[apache-cassandra-2.1.2.jar:2.1.2]
>         at 
> org.apache.cassandra.io.sstable.SSTableReader.getIndexSummaryOffHeapSize(SSTableReader.java:1070)
>  ~[apache-cassandra-2.1.2.jar:2.1.2]
>         at 
> org.apache.cassandra.io.sstable.IndexSummaryManager.redistributeSummaries(IndexSummaryManager.java:292)
>  ~[apache-cassandra-2.1.2.jar:2.1.2]
>         at 
> org.apache.cassandra.io.sstable.IndexSummaryManager.redistributeSummaries(IndexSummaryManager.java:238)
>  ~[apache-cassandra-2.1.2.jar:2.1.2]
>         at 
> org.apache.cassandra.io.sstable.IndexSummaryManager$1.runMayThrow(IndexSummaryManager.java:139)
>  ~[apache-cassandra-2.1.2.jar:2.1.2]
>         at 
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) 
> ~[apache-cassandra-2.1.2.jar:2.1.2]
>         at 
> org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor$UncomplainingRunnable.run(DebuggableScheduledThreadPoolExecutor.java:77)
>  ~[apache-cassandra-2.1.2.jar:2.1.2]
>         at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) 
> [na:1.7.0_45]
>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) 
> [na:1.7.0_45]
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
>  [na:1.7.0_45]
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>  [na:1.7.0_45]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>  [na:1.7.0_45]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>  [na:1.7.0_45]
>         at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]
> {noformat}
> cassandra service is still running despite the issue. Node has total 8G 
> memory with 2G allocated to heap. We are basically running read queries to 
> retrieve data out of cassandra.



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

Reply via email to