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On Fri, Nov 15, 2013 at 2:28 PM, Umesh Prasad umesh.i...@gmail.com wrote:
Hi All,
We are seeing memory leaks in our Search application whenever core
reload happens after replication.
We are using Solr 3.6.2 and I have observed this consistently on all
servers.
The leak suspect analysis from MAT is attached with the mail.
#1425afb4a706064b_ Problem Suspect 1
One instance of *org.apache.lucene.search.FieldCacheImpl*loaded by
*org.apache.catalina.loader.WebappClassLoader
@ 0x7f7b0a5b8b30* occupies *8,726,099,312 (35.49%)* bytes. The memory is
accumulated in one instance of*java.util.HashMap$Entry[]* loaded by
*system
class loader*.
*Keywords*
org.apache.catalina.loader.WebappClassLoader @ 0x7f7b0a5b8b30
java.util.HashMap$Entry[]
org.apache.lucene.search.FieldCacheImpl
Problem Suspect 2
69 instances of *org.apache.solr.util.ConcurrentLRUCache*, loaded by
*org.apache.catalina.loader.WebappClassLoader
@ 0x7f7b0a5b8b30* occupy *6,309,187,392 (25.66%)* bytes.
Biggest instances:
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7fe74ef120 - 755,575,672 (3.07%) bytes.
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7e74b7a068 - 728,731,344 (2.96%) bytes.
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7d0a6bd1b8 - 711,828,392 (2.90%) bytes.
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7c6c12e800 - 708,657,624 (2.88%) bytes.
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7fcb092058 - 568,473,352 (2.31%) bytes.
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7f268cb2f0 - 568,400,040 (2.31%) bytes.
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7e31b60c58 - 544,078,600 (2.21%) bytes.
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7e65c2b2d8 - 489,578,480 (1.99%) bytes.
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7d81ea8538 - 467,833,720 (1.90%) bytes.
- org.apache.solr.util.ConcurrentLRUCache @
0x7f7f31996508 - 444,383,992 (1.81%) bytes.
*Keywords*
org.apache.catalina.loader.WebappClassLoader @ 0x7f7b0a5b8b30
org.apache.solr.util.ConcurrentLRUCache
Details ยป http://pages/24.html
194 instances of *org.apache.solr.util.ConcurrentLFUCache*, loaded by
*org.apache.catalina.loader.WebappClassLoader
@ 0x7f7b0a5b8b30* occupy *4,583,727,104 (18.64%)* bytes.
Biggest instances:
- org.apache.solr.util.ConcurrentLFUCache @
0x7f7cdd4735a0 - 410,628,176 (1.67%) bytes.
- org.apache.solr.util.ConcurrentLFUCache @
0x7f7c7d48e180 - 390,690,864 (1.59%) bytes.
- org.apache.solr.util.ConcurrentLFUCache @
0x7f7f1edfd008 - 348,193,312 (1.42%) bytes.
- org.apache.solr.util.ConcurrentLFUCache @
0x7f7f37b01990 - 340,595,920 (1.39%) bytes.
- org.apache.solr.util.ConcurrentLFUCache @
0x7f7fe02d8dd8 - 274,611,632 (1.12%) bytes.
- org.apache.solr.util.ConcurrentLFUCache @
0x7f7fa9dcfb20 - 253,848,232 (1.03%) bytes.
*Keywords*
org.apache.catalina.loader.WebappClassLoader @ 0x7f7b0a5b8b30
org.apache.solr.util.ConcurrentLFUCache
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Thanks Regards
Umesh Prasad
SDE @ Flipkart : The Online Megastore at your doorstep ..
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Thanks Regards
Umesh Prasad