On 2020/11/27 1:51, Fujii Masao wrote:
On 2020/11/27 1:45, Matthias van de Meent wrote:
On Thu, 26 Nov 2020 at 00:55, Fujii Masao wrote:
+ * A heap scan need not return tuples for the
last page it has
+ * scanned. To ensure t
On 2020/11/27 1:45, Matthias van de Meent wrote:
On Thu, 26 Nov 2020 at 00:55, Fujii Masao wrote:
+* A heap scan need not return tuples for the
last page it has
+* scanned. To ensure that heap_blks_scanned is
equivalent to
+
On Thu, 26 Nov 2020 at 00:55, Fujii Masao wrote:
>
> +* A heap scan need not return tuples for the
> last page it has
> +* scanned. To ensure that heap_blks_scanned
> is equivalent to
> +* total_heap_
On 2020/11/25 20:52, Matthias van de Meent wrote:
On Wed, 25 Nov 2020 at 10:35, Fujii Masao wrote:
On 2020/11/25 0:25, Matthias van de Meent wrote:
I noticed that with my proposed patch it is still possible to go to
the next phase while heap_blks_scanned != heap_blks_total. This can
happe
On Wed, 25 Nov 2020 at 10:35, Fujii Masao wrote:
>
> On 2020/11/25 0:25, Matthias van de Meent wrote:
> >
> > I noticed that with my proposed patch it is still possible to go to
> > the next phase while heap_blks_scanned != heap_blks_total. This can
> > happen when the final heap pages contain onl
On 2020/11/25 0:25, Matthias van de Meent wrote:
On Tue, 24 Nov 2020 at 15:05, Fujii Masao wrote:
On 2020/11/21 2:32, Matthias van de Meent wrote:
Hi,
The pg_stat_progress_cluster view can report incorrect
heap_blks_scanned values when synchronize_seqscans is enabled, because
it allows th
On Tue, 24 Nov 2020 at 15:05, Fujii Masao wrote:
>
> On 2020/11/21 2:32, Matthias van de Meent wrote:
> > Hi,
> >
> > The pg_stat_progress_cluster view can report incorrect
> > heap_blks_scanned values when synchronize_seqscans is enabled, because
> > it allows the sequential heap scan to not star
On 2020/11/21 2:32, Matthias van de Meent wrote:
Hi,
The pg_stat_progress_cluster view can report incorrect
heap_blks_scanned values when synchronize_seqscans is enabled, because
it allows the sequential heap scan to not start at block 0. This can
result in wraparounds in the heap_blks_scanne
Hi,
The pg_stat_progress_cluster view can report incorrect
heap_blks_scanned values when synchronize_seqscans is enabled, because
it allows the sequential heap scan to not start at block 0. This can
result in wraparounds in the heap_blks_scanned column when the table
scan wraps around, and startin