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https://issues.apache.org/jira/browse/CASSANDRA-4765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13469593#comment-13469593
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Jonathan Ellis commented on CASSANDRA-4765:
-------------------------------------------
This is from the SetView returned by Sets.union:
{code}
. @Override public Iterator<E> iterator() {
return Iterators.unmodifiableIterator(
Iterators.concat(set1.iterator(), set2minus1.iterator()));
}
{code}
I don't think we're taking 100s of unions so increasing Xss is unlikely to help.
> StackOverflowError in CompactionExecutor thread
> -----------------------------------------------
>
> Key: CASSANDRA-4765
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4765
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.1.4
> Reporter: Ahmed Bashir
>
> Seeing the following error:
> Exception in thread Thread[CompactionExecutor:21,1,RMI Runtime]
> java.lang.StackOverflowError
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> at com.google.common.collect.Sets$1.iterator(Sets.java:578)
> We are seeing SSTable ID's in L0 corresponding to nonexistent SSTables; this
> may be the cause
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