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Posted to issues@kudu.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2016/09/16 21:58:20 UTC

[jira] [Updated] (KUDU-1366) Consider switching to jemalloc

     [ https://issues.apache.org/jira/browse/KUDU-1366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated KUDU-1366:
------------------------------
    Component/s:     (was: build)
                 perf

> Consider switching to jemalloc
> ------------------------------
>
>                 Key: KUDU-1366
>                 URL: https://issues.apache.org/jira/browse/KUDU-1366
>             Project: Kudu
>          Issue Type: Bug
>          Components: perf
>            Reporter: Todd Lipcon
>         Attachments: Kudu Benchmarks.pdf, Kudu Benchmarks.pdf
>
>
> We spend a fair amount of time in the allocator. While we could spend some time trying to use arenas more, it's also worth considering switching allocators. I ran a few quick tests with jemalloc 4.1 and it seems like it might be better than the version of tcmalloc that we use (and has much more active development)



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