Thanks Mark.
D.
On Tue, Jul 31, 2012 at 12:01 AM, Mark Miller <markrmil...@gmail.com> wrote:
> Sami is probably the best person to weigh in on this. He will be back around
> starting next Monday.
>
> On Jul 30, 2012, at 4:33 PM, Dawid Weiss <dawid.we...@gmail.com> wrote:
>
>> So, I've started looking at thread leaks. Lucene tests are, so far,
>> leak-free at the suite level. Solr has some problems and I could use
>> some help in trying to figure out how to handle these. So, the first
>> one is this:
>>
>> TestMultiCoreConfBootstrap
>>
>> This one leaks a thread from:
>>
>> 1) Thread[id=22, name=Thread-3, state=WAITING, group=Overseer
>> collection creation process.]
>> at sun.misc.Unsafe.park(Native Method)
>> at
>> java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
>> ...
>> at
>> java.util.concurrent.CountDownLatch.await(CountDownLatch.java:236)
>> at
>> org.apache.solr.cloud.DistributedQueue$LatchChildWatcher.await(DistributedQueue.java:185)
>> at
>> org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:291)
>> at
>> org.apache.solr.cloud.OverseerCollectionProcessor.run(OverseerCollectionProcessor.java:81)
>> at java.lang.Thread.run(Thread.java:722)
>>
>> This thread is started by Overseer(.java):
>>
>> ThreadGroup ccTg = new ThreadGroup("Overseer collection creation
>> process.");
>> Thread ccThread = new Thread(ccTg, new
>> OverseerCollectionProcessor(reader, id, shardHandler, adminPath));
>> ccThread.setDaemon(true);
>> ccThread.start();
>>
>> The fact it's a daemon thread is fine, but it still shouldn't survive
>> the end of the suite (should be closed/ interrupted). The problem is I
>> don't see how it can be closed (or interrupted) in a clean way. I am
>> completely green in terms of zookeeper -- what is it that I should
>> close/ interrupt to shut this thing down cleanly?
>>
>> Dawid
>>
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>
> - Mark Miller
> lucidimagination.com
>
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