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Posted to dev@bookkeeper.apache.org by "Ivan Kelly (JIRA)" <ji...@apache.org> on 2013/05/06 13:14:16 UTC
[jira] [Updated] (BOOKKEEPER-578) LedgerCacheImpl is reserving 1/3
of Heap size but allocates NonHeap memory
[ https://issues.apache.org/jira/browse/BOOKKEEPER-578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ivan Kelly updated BOOKKEEPER-578:
----------------------------------
Fix Version/s: 4.3.0
> LedgerCacheImpl is reserving 1/3 of Heap size but allocates NonHeap memory
> --------------------------------------------------------------------------
>
> Key: BOOKKEEPER-578
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-578
> Project: Bookkeeper
> Issue Type: Bug
> Components: bookkeeper-server
> Reporter: Matteo Merli
> Priority: Minor
> Fix For: 4.3.0
>
>
> By default the page limit parameter is set to -1, which means to assign 1/3 of Heap space to the LedgerCache. Each LedgerEntryPage is then allocating the memory outside the heap (ByteBuffer.allocateDirect()).
> This makes BK to use more memory than the -XmxNN configured setting. Is there any particular reason for the LedgerEntryPage buffer to be allocated outside the java heap? Could that be changed?
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