MySQL Bugs: #92133: DICT_SYS mutex contention causes complete stall when running with 40 mill tables

Bug #92133	DICT_SYS mutex contention causes complete stall when running with 40 mill tables
Submitted:	22 Aug 2018 17:43	Modified:	27 Oct 2018 15:02
Reporter:	Alexander Rubin	Email Updates:
Status:	Verified	Impact on me:	None
Category:	MySQL Server: Data Dictionary	Severity:	S5 (Performance)
Version:	8.0.12	OS:	Any
Assigned to:		CPU Architecture:	Any

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Use unordered_set for LatchCounter storage (*) I confirm the code being submitted is offered under the terms of the OCA, and that I am authorized to contribute it.

Attachment: 0001-Use-unordered_set-for-LatchCounter-storage.patch (text/x-patch), 2.28 KiB.