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From Bastien Latard - MDPI AG <lat...@mdpi.com.INVALID>
Subject Re: OOM script executed
Date Tue, 03 May 2016 06:34:41 GMT
Hi Tomás,

Thanks for your answer.
How could I see what's using memory?
I tried to add "-XX:+HeapDumpOnOutOfMemoryError 
-XX:HeapDumpPath=/var/solr/logs/OOM_Heap_dump/"
...but this doesn't seem to be really helpful...

Kind regards,
Bastien

On 02/05/2016 22:55, Tomás Fernández Löbbe wrote:
> You could, but before that I'd try to see what's using your memory and see
> if you can decrease that. Maybe identify why you are running OOM now and
> not with your previous Solr version (assuming you weren't, and that you are
> running with the same JVM settings). A bigger heap usually means more work
> to the GC and less memory available for the OS cache.
>
> Tomás
>
> On Sun, May 1, 2016 at 11:20 PM, Bastien Latard - MDPI AG <
> latard@mdpi.com.invalid> wrote:
>
>> Hi Guys,
>>
>> I got several times the OOM script executed since I upgraded to Solr6.0:
>>
>> $ cat solr_oom_killer-8983-2016-04-29_15_16_51.log
>> Running OOM killer script for process 26044 for Solr on port 8983
>>
>> Does it mean that I need to increase my JAVA Heap?
>> Or should I do anything else?
>>
>> Here are some further logs:
>> $ cat solr_gc_log_20160502_0730:
>> }
>> {Heap before GC invocations=1674 (full 91):
>>   par new generation   total 1747648K, used 1747135K [0x00000005c0000000,
>> 0x0000000640000000, 0x0000000640000000)
>>    eden space 1398144K, 100% used [0x00000005c0000000, 0x0000000615560000,
>> 0x0000000615560000)
>>    from space 349504K,  99% used [0x0000000615560000, 0x000000062aa2fc30,
>> 0x000000062aab0000)
>>    to   space 349504K,   0% used [0x000000062aab0000, 0x000000062aab0000,
>> 0x0000000640000000)
>>   concurrent mark-sweep generation total 6291456K, used 6291455K
>> [0x0000000640000000, 0x00000007c0000000, 0x00000007c0000000)
>>   Metaspace       used 39845K, capacity 40346K, committed 40704K, reserved
>> 1085440K
>>    class space    used 4142K, capacity 4273K, committed 4368K, reserved
>> 1048576K
>> 2016-04-29T21:15:41.970+0200: 20356.359: [Full GC (Allocation Failure)
>> 2016-04-29T21:15:41.970+0200: 20356.359: [CMS:
>> 6291455K->6291456K(6291456K), 12.5694653 secs]
>> 8038591K->8038590K(8039104K), [Metaspace: 39845K->39845K(1085440K)],
>> 12.5695497 secs] [Times: user=12.57 sys=0.00, real=12.57 secs]
>>
>>
>> Kind regards,
>> Bastien
>>
>>

Kind regards,
Bastien Latard
Web engineer
-- 
MDPI AG
Postfach, CH-4005 Basel, Switzerland
Office: Klybeckstrasse 64, CH-4057
Tel. +41 61 683 77 35
Fax: +41 61 302 89 18
E-mail:
latard@mdpi.com
http://www.mdpi.com/


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