Hi,
With a sorted commited.xip array, we could replace the iteration with
two binary searches to find the interval to keep.
Proposed Optimization
-
Use binary search to locate the boundaries of XIDs to remove, then
compact with a single memmove. The key insight requires under
Hi,
> I conducted several benchmark tests on this patch, and here are some
> observations:
>
> 1) Workloads & settings
> # Workload MIXED - Realistic mix of DDL and DML
> create_mixed_workload() {
> local ROOT="$1"
> cat >"$ROOT/mixed_ddl.sql" <<'SQL'
> -- DDL workload (catalog changes)
> DO $
Hi,
On Fri, Oct 31, 2025 at 6:08 AM Masahiko Sawada wrote:
>
> On Thu, Oct 30, 2025 at 9:21 AM Xuneng Zhou wrote:
> >
> > Hi,
> >
> > On Wed, Oct 29, 2025 at 8:17 PM Xuneng Zhou wrote:
> > >
> > > Hi,
> > >
> > > On Sat, Oct 25, 2025 at 2:36 AM Masahiko Sawada
> > > wrote:
> > > >
> > > > On
On Thu, Oct 30, 2025 at 9:21 AM Xuneng Zhou wrote:
>
> Hi,
>
> On Wed, Oct 29, 2025 at 8:17 PM Xuneng Zhou wrote:
> >
> > Hi,
> >
> > On Sat, Oct 25, 2025 at 2:36 AM Masahiko Sawada
> > wrote:
> > >
> > > On Thu, Oct 23, 2025 at 1:17 AM Xuneng Zhou wrote:
> > > >
> > > > Hi Sawada-san, Michael
On Thu, Oct 23, 2025 at 1:17 AM Xuneng Zhou wrote:
>
> Hi Sawada-san, Michael,
>
> Thanks for your comments on this patch.
>
> On Thu, Oct 23, 2025 at 8:28 AM Masahiko Sawada wrote:
> >
> > On Mon, Oct 20, 2025 at 11:13 PM Xuneng Zhou wrote:
> > >
> > > Hi,
> > >
> > > Thanks for looking into th
Hi Sawada-san, Michael,
Thanks for your comments on this patch.
On Thu, Oct 23, 2025 at 8:28 AM Masahiko Sawada wrote:
>
> On Mon, Oct 20, 2025 at 11:13 PM Xuneng Zhou wrote:
> >
> > Hi,
> >
> > Thanks for looking into this.
> >
> > On Tue, Oct 21, 2025 at 1:05 PM Kirill Reshke
> > wrote:
> >
On Mon, Oct 20, 2025 at 11:13 PM Xuneng Zhou wrote:
>
> Hi,
>
> Thanks for looking into this.
>
> On Tue, Oct 21, 2025 at 1:05 PM Kirill Reshke wrote:
> >
> > On Tue, 21 Oct 2025 at 04:31, Michael Paquier wrote:
> > >
> > > On Sat, Oct 18, 2025 at 01:59:40PM +0500, Kirill Reshke wrote:
> > > > I
Hi,
Thanks for looking into this.
On Tue, Oct 21, 2025 at 1:05 PM Kirill Reshke wrote:
>
> On Tue, 21 Oct 2025 at 04:31, Michael Paquier wrote:
> >
> > On Sat, Oct 18, 2025 at 01:59:40PM +0500, Kirill Reshke wrote:
> > > Indeed, these changes look correct.
> > > I wonder why b89e151054a0 did th
On Tue, 21 Oct 2025 at 04:31, Michael Paquier wrote:
>
> On Sat, Oct 18, 2025 at 01:59:40PM +0500, Kirill Reshke wrote:
> > Indeed, these changes look correct.
> > I wonder why b89e151054a0 did this place this way, hope we do not miss
> > anything here.
>
> Perhaps a lack of time back in 2014? It
On Sat, Oct 18, 2025 at 01:59:40PM +0500, Kirill Reshke wrote:
> Indeed, these changes look correct.
> I wonder why b89e151054a0 did this place this way, hope we do not miss
> anything here.
Perhaps a lack of time back in 2014? It feels like an item where we
would need to research a bit some of t
Hi,
Kirill Reshke 于 2025年10月20日周一 下午6:07写道：
> On Mon, 20 Oct 2025 at 13:47, Xuneng Zhou wrote:
> >
> > Hi,
> >
> > On Mon, Oct 20, 2025 at 11:36 AM Kirill Reshke
> wrote:
> > >
> > > On Mon, 20 Oct 2025 at 08:08, Xuneng Zhou
> wrote:
> > > >
> > > > Hi, thanks for looking into this.
> > > >
>
On Mon, 20 Oct 2025 at 13:47, Xuneng Zhou wrote:
>
> Hi,
>
> On Mon, Oct 20, 2025 at 11:36 AM Kirill Reshke wrote:
> >
> > On Mon, 20 Oct 2025 at 08:08, Xuneng Zhou wrote:
> > >
> > > Hi, thanks for looking into this.
> > >
> > > On Sat, Oct 18, 2025 at 4:59 PM Kirill Reshke
> > > wrote:
> > >
Hi,
On Mon, Oct 20, 2025 at 11:36 AM Kirill Reshke wrote:
>
> On Mon, 20 Oct 2025 at 08:08, Xuneng Zhou wrote:
> >
> > Hi, thanks for looking into this.
> >
> > On Sat, Oct 18, 2025 at 4:59 PM Kirill Reshke
> > wrote:
> > >
> > > On Sat, 18 Oct 2025 at 12:50, Xuneng Zhou wrote:
> > > >
> > >
On Mon, 20 Oct 2025 at 08:08, Xuneng Zhou wrote:
>
> Hi, thanks for looking into this.
>
> On Sat, Oct 18, 2025 at 4:59 PM Kirill Reshke wrote:
> >
> > On Sat, 18 Oct 2025 at 12:50, Xuneng Zhou wrote:
> > >
> > > Hi Hackers,
> >
> > Hi!
> >
> > > The SnapBuildPurgeOlderTxn function previously us
On Sat, 18 Oct 2025 at 12:50, Xuneng Zhou wrote:
>
> Hi Hackers,
Hi!
> The SnapBuildPurgeOlderTxn function previously used a suboptimal
> method to remove old XIDs from the committed.xip array. It allocated a
> temporary workspace array, copied the surviving elements into it, and
> then copied t
Hi Hackers,
The SnapBuildPurgeOlderTxn function previously used a suboptimal
method to remove old XIDs from the committed.xip array. It allocated a
temporary workspace array, copied the surviving elements into it, and
then copied them back, incurring unnecessary memory allocation and
multiple data
16 matches
Mail list logo
