Robert Treat <[EMAIL PROTECTED]> writes: > On Friday 25 April 2008 17:32, Tom Lane wrote: >> Robert Treat <[EMAIL PROTECTED]> writes: >>> Oddly some dtrace profiling gave me this, which is pretty different, but >>> certainly doesn't have concerns about TransactionIdIsCurrentTransactionId >> >> .... which seems to pretty much destroy your thesis, no?
> How so? Before the patch we bog down for hours, spending 99% of our time in > TransactionIdIsCurrentTransactionId, after the patch everything performs well > (really better than before) and we spend so little time in > TransactionIdIsCurrentTransactionId it barely shows up on the radar. Oh, you failed to state that the dtrace output was post-patch. You need to show *pre* patch dtrace output if you want us to think it relevant. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance