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https://issues.apache.org/jira/browse/CASSANDRA-8070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14206191#comment-14206191
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Andreas Schnitzerling commented on CASSANDRA-8070:
--------------------------------------------------
I dream as well from better environment ;-) . In our laboratories we need to
use 32 bit because of old driver software. And that limits as well to 3GB.
Since we have a lot of those machines, we like to use that ressources to save
and process data. For our application it's enough (calculate eventcounters,
show some graphics, sometimes I run spark-jobs).
> OutOfMemoryError in OptionalTasks
> ---------------------------------
>
> Key: CASSANDRA-8070
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8070
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: Windows-7-32 bit, 3GB RAM, Java 1.7.0_67
> Reporter: Andreas Schnitzerling
> Attachments: system.log
>
>
> Since update of 2 of 12 nodes from 2.0.10 to 2.1-release Exception during
> operation.
> {panel:title=system.log}
> ERROR [OptionalTasks:1] 2014-10-02 09:26:42,821 CassandraDaemon.java:166 -
> Exception in thread Thread[OptionalTasks:1,5,main]
> java.lang.OutOfMemoryError: Java heap space
> at com.yammer.metrics.stats.Snapshot.<init>(Snapshot.java:30)
> ~[metrics-core-2.2.0.jar:na]
> at
> com.yammer.metrics.stats.ExponentiallyDecayingSample.getSnapshot(ExponentiallyDecayingSample.java:131)
> ~[metrics-core-2.2.0.jar:na]
> at com.yammer.metrics.core.Histogram.getSnapshot(Histogram.java:180)
> ~[metrics-core-2.2.0.jar:na]
> at com.yammer.metrics.core.Timer.getSnapshot(Timer.java:183)
> ~[metrics-core-2.2.0.jar:na]
> at
> org.apache.cassandra.db.ColumnFamilyStore$2.run(ColumnFamilyStore.java:340)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor$UncomplainingRunnable.run(DebuggableScheduledThreadPoolExecutor.java:75)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
> [na:1.7.0_67]
> at java.util.concurrent.FutureTask.runAndReset(Unknown Source)
> [na:1.7.0_67]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown
> Source) [na:1.7.0_67]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown
> Source) [na:1.7.0_67]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> [na:1.7.0_67]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> [na:1.7.0_67]
> at java.lang.Thread.run(Unknown Source) [na:1.7.0_67]
> {panel}
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