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https://issues.apache.org/jira/browse/CASSANDRA-10688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15116092#comment-15116092
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Ariel Weisberg commented on CASSANDRA-10688:
--------------------------------------------
I looked at doing this. I think it's more than just a simple stack because I am
trying to bound the memory usage and not just pool. It actually still fails at
that because {{path}} still allocates a large array, but at least it is
proportionally much less than the memory allocated to {{InProgressVisit}}s.
It's a bit finicky to try and clear the stack of things we don't want pooled at
some point while also avoiding walking the entire thing to clear it frequently.
I would like to either remove pooling or leave it as is.
> Stack overflow from SSTableReader$InstanceTidier.runOnClose in Leak Detector
> ----------------------------------------------------------------------------
>
> Key: CASSANDRA-10688
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10688
> Project: Cassandra
> Issue Type: Bug
> Components: Local Write-Read Paths, Testing
> Reporter: Jeremiah Jordan
> Assignee: Ariel Weisberg
> Fix For: 3.0.x
>
>
> Running some tests against cassandra-3.0
> 9fc957cf3097e54ccd72e51b2d0650dc3e83eae0
> The tests are just running cassandra-stress write and read while adding and
> removing nodes from the cluster. After the test runs when I go back through
> logs I find the following Stackoverflow fairly often:
> ERROR [Strong-Reference-Leak-Detector:1] 2015-11-11 00:04:10,638
> Ref.java:413 - Stackoverflow [private java.lang.Runnable
> org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier.runOnClose,
> final java.lang.Runnable
> org.apache.cassandra.io.sstable.format.SSTableReader$DropPageCache.andThen,
> final org.apache.cassandra.cache.InstrumentingCache
> org.apache.cassandra.io.sstable.SSTableRewriter$InvalidateKeys.cache, private
> final org.apache.cassandra.cache.ICache
> org.apache.cassandra.cache.InstrumentingCache.map, private final
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap
> org.apache.cassandra.cache.ConcurrentLinkedHashCache.map, final
> com.googlecode.concurrentlinkedhashmap.LinkedDeque
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap.evictionDeque,
> com.googlecode.concurrentlinkedhashmap.Linked
> com.googlecode.concurrentlinkedhashmap.LinkedDeque.first,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> ....... (repeated a whole bunch more) ....
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.next,
> final java.lang.Object
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Node.key,
> public final byte[] org.apache.cassandra.cache.KeyCacheKey.key
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