That would be a really good reason for a 6.7.

wunder
Walter Underwood
wun...@wunderwood.org
http://observer.wunderwood.org/  (my blog)


> On Aug 28, 2017, at 8:48 AM, Markus Jelsma <markus.jel...@openindex.io> wrote:
> 
> It is, unfortunately, not committed for 6.7.
> 
> 
> 
> 
> 
> -----Original message-----
>> From:Markus Jelsma <markus.jel...@openindex.io>
>> Sent: Monday 28th August 2017 17:46
>> To: solr-user@lucene.apache.org
>> Subject: RE: Solr memory leak
>> 
>> See https://issues.apache.org/jira/browse/SOLR-10506
>> Fixed for 7.0
>> 
>> Markus
>> 
>> 
>> 
>> -----Original message-----
>>> From:Hendrik Haddorp <hendrik.hadd...@gmx.net>
>>> Sent: Monday 28th August 2017 17:42
>>> To: solr-user@lucene.apache.org
>>> Subject: Solr memory leak
>>> 
>>> Hi,
>>> 
>>> we noticed that triggering collection reloads on many collections has a 
>>> good chance to result in an OOM-Error. To investigate that further I did 
>>> a simple test:
>>>     - Start solr with a 2GB heap and 1GB Metaspace
>>>     - create a trivial collection with a few documents (I used only 2 
>>> fields and 100 documents)
>>>     - trigger a collection reload in a loop (I used SolrJ for this)
>>> 
>>> Using Solr 6.3 the test started to fail after about 250 loops. Solr 6.6 
>>> worked better but also failed after 1100 loops.
>>> 
>>> When looking at the memory usage on the Solr dashboard it looks like the 
>>> space left after GC cycles gets less and less. Then Solr gets very slow, 
>>> as the JVM is busy with the GC. A bit later Solr gets an OOM-Error. In 
>>> my last run this was actually for the Metaspace. So it looks like more 
>>> and more heap and metaspace is being used by just constantly reloading a 
>>> trivial collection.
>>> 
>>> regards,
>>> Hendrik
>>> 
>> 

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