XtraDB/highperf don't scale tpcc performance to 16CPU
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Percona patches |
Won't Fix
|
High
|
Unassigned | ||
Percona-XtraDB |
Won't Fix
|
High
|
Unassigned |
Bug Description
At 16 CPU server,
16 sessions
10, 7902(0):0.2, 7911(0):0.2, 791(0):0.2, 792(0):0.2, 793(0):0.2
20, 7773(0):0.2, 7777(0):0.2, 777(0):0.2, 776(0):0.2, 778(0):0.2
30, 7825(0):0.2, 7827(0):0.2, 784(0):0.2, 785(0):0.2, 782(0):0.2
12 sessions
10, 7718(0):0.2, 7727(0):0.2, 772(0):0.2, 774(0):0.2, 774(0):0.2
20, 7794(0):0.2, 7791(0):0.2, 780(0):0.2, 779(0):0.2, 778(0):0.2
30, 7771(0):0.2, 7773(0):0.2, 778(0):0.2, 777(0):0.2, 778(0):0.2
8 sessions
10, 6684(0):0.2, 6680(0):0.2, 669(0):0.2, 668(0):0.2, 668(0):0.2
20, 6663(0):0.2, 6664(0):0.2, 666(0):0.2, 667(0):0.2, 667(0):0.2
30, 6768(0):0.2, 6773(0):0.2, 677(0):0.2, 676(0):0.2, 677(0):0.2
4 sessions
10, 4119(0):0.2, 4123(0):0.2, 412(0):0.2, 412(0):0.2, 412(0):0.2
20, 4128(0):0.2, 4129(0):0.2, 413(0):0.2, 414(0):0.2, 414(0):0.2
30, 4161(0):0.2, 4162(0):0.2, 416(0):0.2, 415(0):0.2, 416(0):0.2
2 sessions
10, 2362(0):0.2, 2363(0):0.2, 236(0):0.2, 236(0):0.2, 236(0):0.2
20, 2370(0):0.2, 2367(0):0.2, 238(0):0.2, 236(0):0.2, 237(0):0.2
30, 2365(0):0.2, 2364(0):0.2, 235(0):0.2, 238(0):0.2, 236(0):0.2
It may come from "index->lock" and "kernel_mutex".
If we want to more scaling, we should fix them.
Changed in percona-xtradb: | |
assignee: | nobody → yasufumi-kinoshita |
importance: | Undecided → Medium |
status: | New → Confirmed |
Changed in percona-patches: | |
status: | New → Confirmed |
assignee: | nobody → yasufumi-kinoshita |
Changed in percona-patches: | |
importance: | Undecided → High |
Changed in percona-xtradb: | |
importance: | Medium → High |
All development of XtraDB has moved under the Percona Server project - https:/ /launchpad. net/percona- server - If this bug can be reproduced against current Percona Server, please file this bug against percona-server (you can simply do so by using the "Also affects project" link above).
Thanks,
Stewart Smith
Director of Server Development
Percona.