Re: Latest version of Hot Standby patch
Simon Riggs <simon@2ndquadrant.com>
From: Simon Riggs <simon@2ndQuadrant.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2009-01-13T17:31:55Z
Lists: pgsql-hackers
On Wed, 2009-01-07 at 15:43 +0200, Heikki Linnakangas wrote: > Normally, GetRunningTransactionData determines the xid of the latest > running xid by scanning the procarray. If the subxid cache has > overflowed, it simply gives up. Comment there suggests that it could > call ReadNewTransactionId() instead, like it does when there's no > active xids in proc array. I think we should do that, or something > else to alleviate the problem. > > When there's no xids in the procarray, couldn't we just use > latestCompletedXid instead of calling ReadNewTransactionId()? Done. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support