Re: max_standby_delay considered harmful - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: max_standby_delay considered harmful
Date
Msg-id 4BE19D37.4040305@enterprisedb.com
Whole thread Raw
In response to Re: max_standby_delay considered harmful  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: max_standby_delay considered harmful
List pgsql-hackers
Robert Haas wrote:
> Does my proposal (upthread) to limit this by quantity of WAL rather
> than time have any legs, or is that impractical and/or otherwise poor?

That would certainly be easier to implement sanely than a time-based
quantity. One problem is that we don't know how much unapplied WAL there
is, when you're not using streaming replication. And I'm not sure how
useful that is to users - it's very hard to estimate what to set it to.

--  Heikki Linnakangas EnterpriseDB   http://www.enterprisedb.com


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