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From Maxim Potekhin <potek...@bnl.gov>
Subject Strange OOM when doing "list" in CLI
Date Wed, 04 Jan 2012 02:46:27 GMT
I came back from Xmas vacation only to see that what always was an 
innocuous procedure
in CLI now reliably results in OOM -- does anyone have ideas why?

It never happened before. Version of Cassandra is 0.8.8.

  2956 java -ea 
-javaagent:/home/cassandra/cassandra/bin/../lib/jamm-0.2.2.jar 
-XX:+UseThreadPriorities -XX:ThreadPriorityPolicy=42 Xms8000M -Xmx8000M 
-Xmn2000M -XX:+HeapDumpOnOutOfMemoryError -Xss128k -XX:+UseParNewGC 
-XX:+UseConcMarkSweepGC -XX:+CMSParallelRemakEnabled -XX:SurvivorRatio=8 
-XX:MaxTenuringThreshold=1 -XX:CMSInitiatingOccupancyFraction=75 
-XX:+UseCMSInitiatingOccupancyOnly -X:+PrintGCDetails 
-XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps 
-Djava.net.preferIPv4Stack=true -Dcom.sun.management.jmxremote.port=199


[default@PANDA] list idxR;
Using default limit of 100
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
         at 
org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:140)
         at 
org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)
         at 
org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
         at 
org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)
         at 
org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)
         at 
org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)
         at 
org.apache.cassandra.thrift.Cassandra$Client.recv_get_range_slices(Cassandra.java:752)
         at 
org.apache.cassandra.thrift.Cassandra$Client.get_range_slices(Cassandra.java:734)
         at 
org.apache.cassandra.cli.CliClient.executeList(CliClient.java:1379)
         at 
org.apache.cassandra.cli.CliClient.executeCLIStatement(CliClient.java:266)
         at 
org.apache.cassandra.cli.CliMain.processStatement(CliMain.java:217)
         at org.apache.cassandra.cli.CliMain.main(CliMain.java:345)



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