percona-discussion team mailing list archive

[Vadim Tkachenko <vadim@xxxxxxxxxxx>]

Mark,

Thank you!

Good to see -highperf is doing well with tcmalloc.

Interesting why 5.1.31 is slower here, it is to be investigated....


MARK CALLAGHAN wrote:
> These are sysbench readonly results from a 16 core server. I used my
> --oltp-secondary-index patch. The workload is CPU bound. The numbers
> are transactions/second for 1, 2, 4, 8, 16, 32 and 64 concurrent
> threads. With my sysbench patch, 2X more work is done per transaction
> so the results should be ~1/2 of what you get. tcmalloc helps the
> binaries in which other SMP problems have been fixed. I have not
> debugged the slowdowns for the other cases. Postgres thrashes for 64
> concurrent users, so I don't include that result.
> 
>  311  684 1305 2401 2678 2211    0    pg
>  213  460  874 1361  836  732  522     5075p
>  210  468  841 1260  713  561  490     5075ptcm
>  209  473  900 1432 1766 1102 1069   5077percb13hp
>  209  477  879 1477 2015 2070 2019   5077percb13hptcm
>  192  417  755 1182 1245  733  621    5131perc
>  198  435  796 1256 1573 1382 1118   5131perctcm
> 
> Legend:
> - pg -- Postgres 8.3.6
> - 5075p -- Percona build 12
> - 5075ptcm -- Percona build 12 + tcmalloc
> - 5077percb13hp -- Percona high-perf build 13
> - 5077percb13hptcm -- 5077percb13hp + tcmalloc
> - 5131perc -- Percona for 5.1.31
> - 5131perctcm -- 5131perc + tcmalloc
> 
> 


-- 
Vadim Tkachenko, CTO
Percona Inc.
ICQ: 369-510-335, Skype: vadimtk153, Phone +1-888-401-3403
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