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ObjectCacheSessionHandler should avoid pointless writes in write()
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Until PHP 5.6, write() is called regardless of whether anything changed. We should detect changes and no-op if there's nothing to do. This is useful for multi-DC sessions to cut writes down to a trickle (nearly all in the hot DC).

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aaron claimed this task.
aaron raised the priority of this task from to Medium.
aaron updated the task description. (Show Details)
aaron added subscribers: PleaseStand, gerritbot, bd808 and 2 others.

Change 188721 had a related patch set uploaded (by Aaron Schulz):
Avoiding writing sessions for no reason


Change 188721 merged by jenkins-bot:
Avoiding writing sessions for no reason

Legoktm added a subscriber: Legoktm.