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https://issues.apache.org/jira/browse/CASSANDRA-7883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14125198#comment-14125198
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Jay Patel commented on CASSANDRA-7883:
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Cool. Thanks Benedict!
Let me know if I should open a tix to rename NativeAllocator.java
(/cassandra-trunk/src/java/org/apache/cassandra/utils/memory/NativeAllocator.java).
Suggest me if you can think of a better name. -
OffHeapAllocator/OffHeapObjectAllocator/OffHeapSlabAllocator/OffHeapObjectSlabAllocator/
> Allow plugging JEMalloc for off-heap memtables
> ----------------------------------------------
>
> Key: CASSANDRA-7883
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7883
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jay Patel
> Assignee: Jay Patel
> Labels: patch
> Fix For: 3.0
>
> Attachments: trunk-7883.txt
>
>
> Off-heap memtables (memtable_allocation_type:offheap_objects) introduced by
> CASSANDRA-6694 uses native GCC allocator. Provide an option to use JEMalloc
> allocator (http://www.canonware.com/jemalloc/) which is good to reduce
> fragmentation.
> CASSANDRA-3997 adds below option for off-heap caches and metadata. But it's
> not in effect for off-heap memtables. Should we use the same option or add
> another?
> memory_allocator: JEMallocAllocator
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