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

Investigate whether buf_page_set_accessed locking can be weakened

  1. Series 5.7
  2. Bug #1664891
Bug #1664891 reported by Laurynas Biveinis
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Percona Server moved to https://jira.percona.com/projects/PS
Status tracked in 5.7
5.5
Won't Fix
Wishlist
Unassigned
5.6
Won't Fix
Wishlist
Unassigned
5.7
Triaged
Wishlist
Unassigned

Bug Description

Investigate whether buf_page_set_accessed locking can be weakened. Some protection is needed, as this page not block, thus the pointer could go invalid at any time without locking. But maybe the page mutex is not necessary, and e.g. buf_fix_count > 0 or similar would be enough.

Laurynas Biveinis (laurynas-biveinis)
tags: added: bp-split performance
Revision history for this message
Shahriyar Rzayev (rzayev-sehriyar) wrote :

Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PS-2492

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