| From: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
|---|---|
| To: | Sokolov Yura <funny(dot)falcon(at)postgrespro(dot)ru> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, pgsql-hackers-owner(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Lazy hash table for XidInMVCCSnapshot (helps Zipfian a bit) |
| Date: | 2017-11-30 02:22:25 |
| Message-ID: | CAB7nPqT17q6VvpruaW6v+3MGHi2PPD9gRF83mxmOb3ny23kNPg@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Tue, Aug 22, 2017 at 9:17 PM, Sokolov Yura
<funny(dot)falcon(at)postgrespro(dot)ru> wrote:
> Simplified a bit and more commented patch version is in attach.
>
> Algorithm were switched to linear probing, it makes code simpler and
> clearer.
> Flag usages were toggled: now it indicates that hash table were built,
> it also makes code clearer.
> XidInXip and some other functions got comments.
This patch still applies but nobody seems interested in it. So moved to next CF.
--
Michael
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Michael Paquier | 2017-11-30 02:26:21 | Re: [HACKERS] [PATCH] Overestimated filter cost and its mitigation |
| Previous Message | Michael Paquier | 2017-11-30 02:18:11 | Re: [HACKERS] path toward faster partition pruning |