Hi,
On 2021-09-16 16:38:04 +0200, Magnus Hagander wrote:
> On Wed, Sep 15, 2021 at 10:48 PM Andres Freund wrote:
> >
> > On 2021-09-15 10:47:33 -0400, Andrew Dunstan wrote:
> > > this is an open item for release 14. Is someone going to commit?
> >
> > Will do. Although I do wish the original
On Wed, Sep 15, 2021 at 10:48 PM Andres Freund wrote:
>
> On 2021-09-15 10:47:33 -0400, Andrew Dunstan wrote:
> > this is an open item for release 14. Is someone going to commit?
>
> Will do. Although I do wish the original committer would have chimed in at
> some point...
Crap. My apologies for
On Thu, 2021-09-16 at 02:22 -0700, Andres Freund wrote:
> I pushed this. The only substantive change I made is that I moved the
> MyBackendType == B_BACKEND check into a new pgstat_should_report_connstat(),
> and called that from pgstat_report_connect() and
> pgstat_report_disconnect(). Otherwise
Hi,
On 2021-09-08 06:11:56 +0200, Laurenz Albe wrote:
> I have gone over your patch and made the following changes:
>
> - cache the last report time in a static variable pgLastSessionReportTime
> - add a comment to explain why we only track normal backends
> - pgindent
> - an attempt at a commit
On Wed, Sep 15, 2021 at 01:48:09PM -0700, Andres Freund wrote:
> Will do. Although I do wish the original committer would have chimed in at
> some point...
Thanks, Andres.
--
Michael
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On 2021-09-15 10:47:33 -0400, Andrew Dunstan wrote:
> this is an open item for release 14. Is someone going to commit?
Will do. Although I do wish the original committer would have chimed in at
some point...
On 9/8/21 12:11 AM, Laurenz Albe wrote:
> On Fri, 2021-09-03 at 17:04 -0700, Andres Freund wrote:
>> Here's how I think that would look like. While writing up this draft, I found
>> two more issues:
>>
>> - On windows / 32 bit systems, the session time would overflow if idle for
>> longer than
On Fri, 2021-09-03 at 17:04 -0700, Andres Freund wrote:
> Here's how I think that would look like. While writing up this draft, I found
> two more issues:
>
> - On windows / 32 bit systems, the session time would overflow if idle for
> longer than ~4300s. long is only 32 bit. Easy to fix
On Mon, 2021-09-06 at 00:22 -0700, Andres Freund wrote:
> On 2021-09-06 09:12:58 +0200, Laurenz Albe wrote:
> > Reading your patch, I am still confused about the following:
> > There are potentially several calls to "pgstat_send_tabstat" in
> > "pgstat_report_stat".
> > It seems to me that if it
Hi,
On 2021-09-06 09:12:58 +0200, Laurenz Albe wrote:
> Reading your patch, I am still confused about the following:
> There are potentially several calls to "pgstat_send_tabstat" in
> "pgstat_report_stat".
> It seems to me that if it were called more than once, session statistics would
> be
On Fri, 2021-09-03 at 17:04 -0700, Andres Freund wrote:
> Hi,
>
> On 2021-08-31 21:56:50 -0700, Andres Freund wrote:
> > On 2021-08-27 13:57:45 +0900, Michael Paquier wrote:
> > > On Wed, Aug 25, 2021 at 01:20:03AM -0700, Andres Freund wrote:
> > > > On 2021-08-25 12:51:58 +0900, Michael Paquier
Hi,
On 2021-08-31 21:56:50 -0700, Andres Freund wrote:
> On 2021-08-27 13:57:45 +0900, Michael Paquier wrote:
> > On Wed, Aug 25, 2021 at 01:20:03AM -0700, Andres Freund wrote:
> > > On 2021-08-25 12:51:58 +0900, Michael Paquier wrote:
> > > As I said before, this ship has long sailed:
> > >
> >
On Wed, 2021-09-01 at 10:56 +0200, Laurenz Albe wrote:
> On Tue, 2021-08-31 at 21:16 -0700, Andres Freund wrote:
> > On 2021-09-01 05:39:14 +0200, Laurenz Albe wrote:
> > > On Tue, 2021-08-31 at 18:55 -0700, Andres Freund wrote:
> > > > > > On Tue, Aug 31, 2021 at 04:55:35AM +0200, Laurenz Albe
On Tue, 2021-08-31 at 21:16 -0700, Andres Freund wrote:
> On 2021-09-01 05:39:14 +0200, Laurenz Albe wrote:
> > On Tue, 2021-08-31 at 18:55 -0700, Andres Freund wrote:
> > > > > On Tue, Aug 31, 2021 at 04:55:35AM +0200, Laurenz Albe wrote:In the
> > > > > view of that, how about doubling
On 2021-08-27 13:57:45 +0900, Michael Paquier wrote:
> On Wed, Aug 25, 2021 at 01:20:03AM -0700, Andres Freund wrote:
> > On 2021-08-25 12:51:58 +0900, Michael Paquier wrote:
> > As I said before, this ship has long sailed:
> >
> > typedef struct PgStat_MsgTabstat
> > {
> > PgStat_MsgHdr
On 2021-09-01 05:39:14 +0200, Laurenz Albe wrote:
> On Tue, 2021-08-31 at 18:55 -0700, Andres Freund wrote:
> > > > On Tue, Aug 31, 2021 at 04:55:35AM +0200, Laurenz Albe wrote:In the
> > > > view of that, how about doubling PGSTAT_STAT_INTERVAL to 1000
> > >
> > > > milliseconds? That would
On Wed, 2021-09-01 at 10:33 +0900, Michael Paquier wrote:
> On Tue, Aug 31, 2021 at 04:55:35AM +0200, Laurenz Albe wrote:
> > In the view of that, how about doubling PGSTAT_STAT_INTERVAL to 1000
> > milliseconds?
>
> Perhaps we could do that. Now, increasing an interval for the sake of
>
On Tue, 2021-08-31 at 18:55 -0700, Andres Freund wrote:
> > > On Tue, Aug 31, 2021 at 04:55:35AM +0200, Laurenz Albe wrote:In the view
> > > of that, how about doubling PGSTAT_STAT_INTERVAL to 1000
> >
> > > milliseconds? That would mean slightly less up-to-date statistics, but
> > > I doubt
Hi,
On August 31, 2021 6:33:15 PM PDT, Michael Paquier wrote:
>On Tue, Aug 31, 2021 at 04:55:35AM +0200, Laurenz Albe wrote:
>> In the view of that, how about doubling PGSTAT_STAT_INTERVAL to 1000
>> milliseconds? That would mean slightly less up-to-date statistics, but
>> I doubt that that
On Tue, Aug 31, 2021 at 04:55:35AM +0200, Laurenz Albe wrote:
> In the view of that, how about doubling PGSTAT_STAT_INTERVAL to 1000
> milliseconds? That would mean slightly less up-to-date statistics, but
> I doubt that that will be a problem. And it should even out the increase
> in statistics
On Fri, 2021-08-27 at 13:57 +0900, Michael Paquier wrote:
> > I think in that case we'd have to do the bigger redesign and move "live"
> > connection stats to backend_status.c...
>
> Hmm. A redesign is not really an option for 14 at this stage. And I
> am not really comfortable with the latest
On Wed, Aug 25, 2021 at 01:20:03AM -0700, Andres Freund wrote:
> On 2021-08-25 12:51:58 +0900, Michael Paquier wrote:
> As I said before, this ship has long sailed:
>
> typedef struct PgStat_MsgTabstat
> {
> PgStat_MsgHdr m_hdr;
> Oid m_databaseid;
> int
Hi,
On 2021-08-25 12:51:58 +0900, Michael Paquier wrote:
> I was looking at this WIP patch, and plugging in the connection
> statistics to the table-access statistics looks like the wrong
> abstraction to me. I find much cleaner the approach of HEAD to use a
> separate API to report this
Hi,
On 2021-08-20 14:27:20 -0500, Justin Pryzby wrote:
> On Tue, Aug 17, 2021 at 02:14:20AM -0700, Andres Freund wrote:
> > Doubling the number of UDP messages in common workloads seems also
> > problematic
> > enough that it should be addressed for 14. It increases the likelihood of
> >
At Wed, 25 Aug 2021 13:21:52 +0900 (JST), Kyotaro Horiguchi
wrote in
> At Wed, 25 Aug 2021 12:51:58 +0900, Michael Paquier
> wrote in
> > - Throttle the frequency where the connection stat packages are sent,
> > as of [2].
> >
> > Magnus, this open item is assigned to you as the committer
At Wed, 25 Aug 2021 12:51:58 +0900, Michael Paquier wrote
in
> On Wed, Aug 25, 2021 at 10:12:41AM +0900, Kyotaro Horiguchi wrote:
> > Yes, it can be called two or more times for a call to
> > pgstat_report_stat, but the patch causes only the first of them convey
> > effective connection stats
On Wed, Aug 25, 2021 at 10:12:41AM +0900, Kyotaro Horiguchi wrote:
> Yes, it can be called two or more times for a call to
> pgstat_report_stat, but the patch causes only the first of them convey
> effective connection stats numbers. This is the same way as how
> transaction stats are treated. If
At Tue, 24 Aug 2021 12:34:25 +0200, Laurenz Albe
wrote in
> On Tue, 2021-08-24 at 15:12 +0900, Kyotaro Horiguchi wrote:
> >
> > - remove redundant gettimeofday().
> > - avoid sending dedicate UCP packet for connection stats.
>
> Thank you.
>
> Perhaps I misread that, but doesn't that mean
On Tue, 2021-08-24 at 15:12 +0900, Kyotaro Horiguchi wrote:
> At Wed, 18 Aug 2021 05:16:38 +0200, Laurenz Albe
> wrote in
> > On Tue, 2021-08-17 at 02:14 -0700, Andres Freund wrote:
> > > > > I'm also not all that happy with sending yet another UDP packet for
> > > > > this.
> > > >
> > > >
At Wed, 18 Aug 2021 05:16:38 +0200, Laurenz Albe
wrote in
> On Tue, 2021-08-17 at 02:14 -0700, Andres Freund wrote:
> > On 2021-08-17 10:44:51 +0200, Laurenz Albe wrote:
> > > On Sun, 2021-08-01 at 13:55 -0700, Andres Freund wrote:
> > > > We maintain last_report as
On Tue, Aug 17, 2021 at 02:14:20AM -0700, Andres Freund wrote:
> Doubling the number of UDP messages in common workloads seems also problematic
> enough that it should be addressed for 14. It increases the likelihood of
> dropping stats messages on busy systems, which can have downstream impacts.
On Tue, 2021-08-17 at 02:14 -0700, Andres Freund wrote:
> On 2021-08-17 10:44:51 +0200, Laurenz Albe wrote:
> > On Sun, 2021-08-01 at 13:55 -0700, Andres Freund wrote:
> > > We maintain last_report as GetCurrentTransactionStopTimestamp(), but then
> > > use
> > > a separate timestamp in
Hi,
On 2021-08-17 10:44:51 +0200, Laurenz Albe wrote:
> On Sun, 2021-08-01 at 13:55 -0700, Andres Freund wrote:
> > We maintain last_report as GetCurrentTransactionStopTimestamp(), but then
> > use
> > a separate timestamp in pgstat_send_connstats() to compute the difference
> > from
> >
On Sun, 2021-08-01 at 13:55 -0700, Andres Freund wrote:
> Since
>
> commit 960869da0803427d14335bba24393f414b476e2c
> Author: Magnus Hagander
> Date: 2021-01-17 13:34:09 +0100
>
> Add pg_stat_database counters for sessions and session time
>
> pgstat_report_stat() does another timestamp
Hi,
Since
commit 960869da0803427d14335bba24393f414b476e2c
Author: Magnus Hagander
Date: 2021-01-17 13:34:09 +0100
Add pg_stat_database counters for sessions and session time
pgstat_report_stat() does another timestamp computation via
pgstat_send_connstats(), despite typically having
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