| From: | Vladimir Sitnikov <sitnikov(dot)vladimir(at)gmail(dot)com> |
|---|---|
| To: | Benjamin Manes <ben(dot)manes(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
| Cc: | Peter Geoghegan <pg(at)bowt(dot)ie>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Arslan Gumerov <garsthe1st(at)gmail(dot)com>, Andrey Chausov <dxahtepb(at)gmail(dot)com>, geymer_98(at)mail(dot)ru, dafi913(at)yandex(dot)ru, edigaryev(dot)ig(at)phystech(dot)edu |
| Subject: | Re: [Patch][WiP] Tweaked LRU for shared buffers |
| Date: | 2019-02-16 09:36:45 |
| Message-ID: | CAB=Je-EG-c+frHYnX5L6hQ701SiTQNukPxixz7MkURpEKJUcPg@mail.gmail.com |
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| Lists: | pgsql-hackers |
Benjamin> A related and helpful patch would be to capture the access log and
Benjamin> provide anonymized traces.
The traces can be captured via DTrace scripts, so no patch is required here.
For instance:
https://www.postgresql.org/message-id/CAB%3DJe-F_BhGfBu1sO1H7u_XMtvak%3DBQtuJFyv8cfjGBRp7Q_yA%40mail.gmail.com
or
https://www.postgresql.org/message-id/CAH2-WzmbUWKvCqjDycpCOSF%3D%3DPEswVf6WtVutgm9efohH0NfHA%40mail.gmail.com
The missing bit is a database with more-or-less relevant workload.
Vladimir
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