percona-discussion team mailing list archive

[Vadim Tkachenko <vadim@xxxxxxxxxxx>]

Mark,

Good, Thanks for results.

Any chance you can try XtraDB vs XtraDB-tcmalloc vs 5131i103tcm ?



MARK CALLAGHAN wrote:
> On Tue, Mar 10, 2009 at 10:28 AM, MARK CALLAGHAN <mdcallag@xxxxxxxxx> 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
> 
> Results for the Innodb plugin on the same hardware from sysbench readonly
> 5131i102 -> 5.1.31 + 1.0.2 plugin
> 5131i103 -> 5.1.31 + 1.0.3 plugin (has the Google SMP changes)
> 5131i103tcm -> 5131i103 + tcmalloc
> 
>  195  421  733 1069  558  380  222     5131i102
>  192  437  769 1252 1202  672  534    5131i103
>  213  479  871 1473 1860 1996 2023   5131i103tcm
> 


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Vadim Tkachenko, CTO
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