Testing MySQL 8.0.16 on Skylake with innodb_spin_wait_pause_multiplier
HammerDB
MAY 5, 2019
In the recent MySQL 8.0.16 release there is a new variable for the InnoDB storage engine called innodb_spin_wait_pause_multiplier described as providing “greater control over the duration of spin-lock polling delays that occur when a thread waits to acquire a mutex or rw-lock” and “delays can be tuned more finely to account for differences in PAUSE instruction duration on different processor architectures” This post aims to address what this about and whether you really n
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