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From: "Jonathan Ellis (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (CASSANDRA-8631) long-test MeteredFlusherTest
 fails with heap OOM
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    [ https://issues.apache.org/jira/browse/CASSANDRA-8631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14284146#comment-14284146 ] 

Jonathan Ellis commented on CASSANDRA-8631:
-------------------------------------------

+1 remove the test in 2.0 (and rename in 2.1?)

> long-test MeteredFlusherTest fails with heap OOM
> ------------------------------------------------
>
>                 Key: CASSANDRA-8631
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8631
>             Project: Cassandra
>          Issue Type: Test
>          Components: Tests
>         Environment: cassandra-2.0 commit 90780b5
>            Reporter: Michael Shuler
>            Assignee: Benedict
>            Priority: Minor
>              Labels: unit-test
>
> I attempted to find a spot where this test actually passes, and I was unable to do so. I tried back to 1.1 HEAD and various release tags under jdk7 and jdk6 for <= 1.2 tags. In 1.2.0 with jdk6, the test times out with java.lang.OutOfMemoryError: GC overhead limit exceeded, so it's similar.
> {noformat}
>     [junit] Testcase: testManyMemtables(org.apache.cassandra.db.MeteredFlusherTest):    Caused an ERROR
>     [junit] Java heap space
>     [junit] java.lang.OutOfMemoryError: Java heap space
>     [junit]     at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57)
>     [junit]     at java.nio.ByteBuffer.allocate(ByteBuffer.java:331)
>     [junit]     at org.apache.cassandra.utils.SlabAllocator$Region.<init>(SlabAllocator.java:157)
>     [junit]     at org.apache.cassandra.utils.SlabAllocator$Region.<init>(SlabAllocator.java:131)
>     [junit]     at org.apache.cassandra.utils.SlabAllocator.getRegion(SlabAllocator.java:101)
>     [junit]     at org.apache.cassandra.utils.SlabAllocator.allocate(SlabAllocator.java:73)
>     [junit]     at org.apache.cassandra.utils.Allocator.clone(Allocator.java:30)
>     [junit]     at org.apache.cassandra.db.Column.localCopy(Column.java:277)
>     [junit]     at org.apache.cassandra.db.Memtable$1.apply(Memtable.java:114)
>     [junit]     at org.apache.cassandra.db.Memtable$1.apply(Memtable.java:111)
>     [junit]     at org.apache.cassandra.db.AtomicSortedColumns.addAllWithSizeDelta(AtomicSortedColumns.java:194)
>     [junit]     at org.apache.cassandra.db.Memtable.resolve(Memtable.java:218)
>     [junit]     at org.apache.cassandra.db.Memtable.put(Memtable.java:165)
>     [junit]     at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:901)
>     [junit]     at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:374)
>     [junit]     at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:339)
>     [junit]     at org.apache.cassandra.db.RowMutation.applyUnsafe(RowMutation.java:216)
>     [junit]     at org.apache.cassandra.db.MeteredFlusherTest.testManyMemtables(MeteredFlusherTest.java:59)
>     [junit] 
>     [junit] 
>     [junit] Test org.apache.cassandra.db.MeteredFlusherTest FAILED
> {noformat}



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