[HyperDB] Replication Lag Detection

Barry Abrahamson barry at automattic.com
Wed Jul 20 17:03:21 UTC 2011

On Jul 20, 2011, at 11:42 AM, Brian Layman wrote:

> Ah, ok I was confused by "In case replication breaks on all slaves, we would rather return old data then overload the master with read queries and cause an outage." and I thought that meant it returned cached data, but you simply mean you then query an existing slave even though it is lagged, right?

Yep - that's correct.

Barry Abrahamson | Systems Wrangler | Automattic
Blog: http://barry.wordpress.com

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