Percona Server moved to https://jira.percona.com/projects/PS

A question about os_rmb

Asked by xiaoyuwang

I find that in function buf_get_n_pending_read_ios, Percona attaches an os_rmb at buf0buf.cc:6674, but MySQL does not.
My question is, why there has to be an os_rmb, and what is the purpose.

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Launchpad Janitor (janitor) said : 		#1

This question was expired because it remained in the 'Open' state without activity for the last 15 days.