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Posted to issues@camel.apache.org by "Zoltan Farkas (JIRA)" <ji...@apache.org> on 2015/07/21 17:49:04 UTC

[jira] [Created] (CAMEL-8994) Large memory use on Large core count(512) servers

Zoltan Farkas created CAMEL-8994:
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             Summary: Large memory use on Large core count(512) servers
                 Key: CAMEL-8994
                 URL: https://issues.apache.org/jira/browse/CAMEL-8994
             Project: Camel
          Issue Type: Bug
          Components: camel-core
    Affects Versions: 2.14.3
            Reporter: Zoltan Farkas


ConcurrentLinkedHashmap get huge on these servers (200 +Mb) 

There are some CPU related defaults + Some padding that are the source of this, more discussion at:

https://github.com/ben-manes/concurrentlinkedhashmap/issues/43

upgrading to a newer version should remove the padding and reduce memory usage...

Another thing I noticed that is related, is that LRUCache 
default initial size is equal with maximum size... which is 1000, would it make more sense to have a lower default for initialSize? (64) 





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