On Thu, Dec 8, 2023 at 1:36 AM Li, Yong wrote:
>Given so many different approaches were discussed, I have started a
>wiki to record and collaborate all efforts towards SLRU
>improvements. The wiki provides a concise overview of all the ideas
>discussed and can serve as a portal for all histo
Alekseev, Aleksander (aleksan...@timescale.com) wrote:
> It looks like the patch in *this* thread was never registered on the
> commitfest and/or tested by CF bot, unless I'm missing something.
> Unfortunately it's a bit late to register it for the September CF
> especially considering the fact th
Hi all,
I have been going through the multixact code over the last few
weeks, and noticed a potential discrepancy between the need for critical
sections in the creation of new multixacts and the current code.
As per the comment in GetNewMultiXact:
/*
* Critical section from
Hi Thomas,
While I was working on adding the page headers to SLRU pages on your patch, I
came across this code where it seems like "MultiXactIdToMemberPage" is
mistakenly being used instead of MultiXactIdToOffsetPage in the TrimMultiXact
function.
Below is the area of concern in the patch:
@@
Hi,
On 2022-06-23 20:25:21 +, Bagga, Rishu wrote:
> >> 3. A flag to identify if the page is a relational or BufferedObject
> >Why is this needed in the page header?
>
> Now that we are dealing with two different type of page headers, we need
to
>
)
Additionally, we need to account for the size of the page header when reading
and writing multixacts in memory based off of the entryno.
Rishu Bagga
Amazon Web Services (AWS)
On 6/22/22, 2:40 PM, "Andres Freund" wrote:
Hi,
On 2022-06-22 21:06:29 +, Bagga, Rishu
Hi all,
PostgreSQL currently maintains several data structures in the SLRU
cache. The SLRU cache has scaling and sizing challenges because of it’s
simple implementation. The goal is to move these caches to the common
buffer cache to benefit from the stronger capabilities of the common
buffercache
