Bug #76280 Select count(*) in MySQL5.7 is slower than in MySQL5.6 in case of out of memory
Submitted: 12 Mar 2015 8:55 Modified: 12 Oct 2016 9:29
Reporter: 頭突 大井 Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:5.7.5-m15 OS:Linux
Assigned to: CPU Architecture:Any
Tags: select count, slow

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