Re: Long Running Commits - Not Checkpoints

[Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>]

Brad Nicholson <bnichols(at)ca(dot)afilias(dot)info> writes:
> On Thu, 2007-09-13 at 10:15 -0400, Brad Nicholson wrote:
>> I'm having a problem with long running commits appearing in my database
>> logs.  It may be hardware related, as the problem appeared when we moved
>> the database to a new server connected to a different disk array.

> More on this - we also have long running commits on installations that
> do have the wal files on a separate partition.

What's your definition of "long running commit" --- seconds? milliseconds?
Exactly what are you measuring?  Can you correlate the problem with what
the transaction was doing?

			regards, tom lane