On Tue, 2008-06-10 at 11:02 +0530, Pavan Deolasee wrote:
In most of the cases where the old transactions quickly go away, and
for large tables, the second scan will be very limited. In the worst
case, we might incur the overhead of conditional waits without any
success.
Looks good.
- An
On Mon, 2008-06-30 at 19:29 -0400, Andrew Dunstan wrote:
Bruce Momjian wrote:
Dave Page wrote:
On Sun, May 18, 2008 at 1:38 PM, Andrew Dunstan [EMAIL PROTECTED] wrote:
I don't know how you tested,
Copy a large file across a relatively slow network, and check the
Jan Urbański wrote:
Tom Lane wrote:
I think the correct solution is to initialize the fields to match the
column type before calling the typanalyze function. Then you don't
break compatibility for existing typanalyze functions. It's also less
code, since the standard typanalyze functions can
Simon Riggs wrote:
Patch implements
* recommendation to use GnuWin32 cp on Windows
* provide holdtime delay, default 0 (on all platforms)
* default stays same on Windows=copy to ensure people upgrading don't
get stung
This seems pretty kludgey to me. I wouldn't want to install GnuWin32
On Tue, 2008-07-01 at 13:44 +0300, Heikki Linnakangas wrote:
Simon Riggs wrote:
Patch implements
* recommendation to use GnuWin32 cp on Windows
* provide holdtime delay, default 0 (on all platforms)
* default stays same on Windows=copy to ensure people upgrading don't
get stung
Tom Lane wrote:
Greg Sabino Mullane [EMAIL PROTECTED] writes:
Why the random switching between newline-before and newline-after
styles? Please be consistent.
I thought they were all after. On second glance, they still seem
all after?
Oh, my mistake, I had failed to see that the patch was
Tom Lane wrote:
Heikki Linnakangas [EMAIL PROTECTED] writes:
Another simple optimization occurred to me while looking at this: we
should skip the memcpy/strcpy altogether if the BackendActivity slot is
not in use. That seems like a good bet, you usually don't try to max out
max_connections.
Heikki Linnakangas [EMAIL PROTECTED] writes:
Tom Lane wrote:
Huh? How could we be assigning to a slot that is not in use?
Before the patch, we loop through the shared PgBackendStatus slots
(there is MaxBackends of them), and issue a memcpy for each to copy it
to our local slot. After
Simon Riggs wrote:
* recommendation to use GnuWin32 cp on Windows
* provide holdtime delay, default 0 (on all platforms)
* default stays same on Windows=copy to ensure people upgrading don't
get stung
This seems pretty kludgey to me. I wouldn't want to install GnuWin32
Alvaro Herrera wrote:
Tom Lane wrote:
2. I had first dismissed Neil's idea of transactional sequence updates
as impossible, but on second look it could be done. Suppose RESTART
IDENTITY does this for each sequence;
* obtain AccessExclusiveLock;
* assign a new relfilenode;
Greg Sabino Mullane wrote:
[ There is text before PGP section. ]
-BEGIN PGP SIGNED MESSAGE-
Hash: RIPEMD160
Tom Lane replied:
Documentation patch by Kevin L. McBride explaining LOCK_DEBUG options
in detail.
Should this stuff really go into the SGML documentation, when
This is an update to my EXPLAIN XML patch submitted a few days ago.
I've added a documentation patch and modified some of the code per
comments by Gregory Stark.
Because the main consumer of output generated by this patch will
presumably be a machine, I didn't clutter up the documentation
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