Drizzle

Replication - Implement Optional SYNC behvaiour

Registered by Jay Pipes

Implement a configuration/CLI option called transaction-log-sync-method allowing the user to optionally change the f(data)sync behvaiour of the transaction log file:

--transaction-log-sync-method=
  0 (default) -- rely on operating system for flushing files
  1 -- flush log file on each write to it
  2 -- flush log file at most once per second

Blueprint information

Status:
Complete
Approver:
Jay Pipes
Priority:
Medium
Drafter:
Jay Pipes
Direction:
Approved
Assignee:
Jay Pipes
Definition:
Approved
Series goal:
None
Implementation:
Implemented
Milestone target:
milestone icon bell
Started by
Jay Pipes
Completed by
Lee Bieber

Sprints

Whiteboard

Implemented in transaction_log branch. Proposed for merging into trunk.

This option should alleviate the performnace degradation we see on readwrite benchmarks when the transaction log module is enabled.

(?)

Work Items

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