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Re: MDEV-4956 - Reduce usage of LOCK_open: TABLE_SHARE::tdc.used_tables


Dnia 11-09-2013 o 09:15:47 Sergey Vojtovich <svoj@xxxxxxxxxxx> napisał(a):

Hi Sergei,

I just realized that I didn't share benchmark results (read-only OLTP that XL did):
5.6 tps: ~18k
10.0 tps: ~9k
10.0 + MDEV-4956 tps: ~11k

I estimate tc_acquire_table and tc_release_table are eating up ~6k tps
(2k per list).

Wasn't this difference caused by LOCK_plugin?

Patryk Pomykalski

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