[jira] [Updated] (CASSANDRA-3997) Make SerializingCache Memory Pluggable

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-3997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-3997:
--------------------------------------

    Reviewer: jbellis  (was: thepaul)
    
> Make SerializingCache Memory Pluggable
> --------------------------------------
>
>                 Key: CASSANDRA-3997
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3997
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Vijay
>            Assignee: Vijay
>            Priority: Minor
>              Labels: cache
>             Fix For: 1.3
>
>         Attachments: 0001-CASSANDRA-3997.patch, 0001-CASSANDRA-3997-v2.patch, 0001-CASSANDRA-3997-v3.patch, jna.zip
>
>
> Serializing cache uses native malloc and free by making FM pluggable, users will have a choice of gcc malloc, TCMalloc or JEMalloc as needed. 
> Initial tests shows less fragmentation in JEMalloc but the only issue with it is that (both TCMalloc and JEMalloc) are kind of single threaded (at-least they crash in my test otherwise).

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