Tom Lane wrote:
Magnus Hagander [EMAIL PROTECTED] writes:
Attached is a patch that implements this. I went with the option of just
storing it in a temporary directory that can be symlinked, and not
bothering with a GUC for it. Comments? (documentation updates are also
needed, but I'll wait
Tom Lane wrote:
Magnus Hagander [EMAIL PROTECTED] writes:
Tom Lane wrote:
It doesn't seem to me that it'd be hard to support two locations for the
stats file --- it'd just take another parameter to the read and write
routines. pgstat.c already knows the difference between a normal write
and
Magnus Hagander [EMAIL PROTECTED] writes:
Attached is a patch that implements this. I went with the option of just
storing it in a temporary directory that can be symlinked, and not
bothering with a GUC for it. Comments? (documentation updates are also
needed, but I'll wait with those until I
Tom Lane wrote:
Magnus Hagander [EMAIL PROTECTED] writes:
Alvaro Herrera wrote:
Well, it doesn't :-) No database or table will be processed until stat
entries are created, and then I think it will first wait until enough
activity gathers to take any actions at all.
That's not actualliy
Magnus Hagander [EMAIL PROTECTED] writes:
Tom Lane wrote:
It doesn't seem to me that it'd be hard to support two locations for the
stats file --- it'd just take another parameter to the read and write
routines. pgstat.c already knows the difference between a normal write
and a shutdown write
On Jul 1, 2008, at 3:02 PM, Tom Lane wrote:
Magnus Hagander [EMAIL PROTECTED] writes:
Alvaro Herrera wrote:
Well, it doesn't :-) No database or table will be processed
until stat
entries are created, and then I think it will first wait until
enough
activity gathers to take any actions at
Decibel! [EMAIL PROTECTED] writes:
Leaving the realm of an easy change, what about periodically (once
a minute?) writing stats to a real table?
The ensuing vacuum overhead seems a sufficient reason why not.
regards, tom lane
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Magnus Hagander [EMAIL PROTECTED] writes:
But pending that we have that, how about we just move it into it's own
subdirectory?
This would make it possible to symlink or mount that directory off to a
ramdrive (for example).
Hmm ... that would almost certainly result in the stats being lost
Tom Lane wrote:
Magnus Hagander [EMAIL PROTECTED] writes:
But pending that we have that, how about we just move it into it's own
subdirectory?
This would make it possible to symlink or mount that directory off to a
ramdrive (for example).
Hmm ... that would almost certainly result in the
Magnus Hagander [EMAIL PROTECTED] writes:
Tom Lane wrote:
Hmm ... that would almost certainly result in the stats being lost over
a system shutdown. How much do we care?
Only for those who put it on a ramdrive. The default, unless you
move/sync it off, would still be the same as it is
Tom Lane wrote:
Magnus Hagander [EMAIL PROTECTED] writes:
Tom Lane wrote:
Hmm ... that would almost certainly result in the stats being lost over
a system shutdown. How much do we care?
Only for those who put it on a ramdrive. The default, unless you
move/sync it off, would still be the
Magnus Hagander wrote:
Not sure. I guess my own personal concern would be how badly is
autovacuum affected by having to start off a blank set of stats? Any
other uses I have I think are capable of dealing with reset-to-zero states.
Well, it doesn't :-) No database or table will be processed
Alvaro Herrera wrote:
Magnus Hagander wrote:
Not sure. I guess my own personal concern would be how badly is
autovacuum affected by having to start off a blank set of stats? Any
other uses I have I think are capable of dealing with reset-to-zero states.
Well, it doesn't :-) No database
On Tue, 1 Jul 2008, Tom Lane wrote:
Magnus Hagander [EMAIL PROTECTED] writes:
Tom Lane wrote:
Hmm ... that would almost certainly result in the stats being lost over
a system shutdown. How much do we care?
Only for those who put it on a ramdrive. The default, unless you
move/sync it off,
Magnus Hagander [EMAIL PROTECTED] writes:
Alvaro Herrera wrote:
Well, it doesn't :-) No database or table will be processed until stat
entries are created, and then I think it will first wait until enough
activity gathers to take any actions at all.
That's not actualliy not affected, but it
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