Re: Parallel Aggregate
От
James Sewell
Тема
Re: Parallel Aggregate
Дата
Msg-id
CANkGpBsrZXNpLG+wRRypqSLEeq4uTScdXwA573feFc5Yn3pSqQ@mail.gmail.com
Ответ на
Re: Parallel Aggregate (David Rowley)
Список
Дерево обсуждения
Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Paul Ramsey <pramsey@cleverelephant.ca>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Paul Ramsey <pramsey@cleverelephant.ca>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Amit Langote <amitlangote09@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Alvaro Herrera <alvherre@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Alvaro Herrera <alvherre@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Alvaro Herrera <alvherre@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate James Sewell <james.sewell@lisasoft.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Amit Kapila <amit.kapila16@gmail.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate James Sewell <james.sewell@lisasoft.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Amit Kapila <amit.kapila16@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Amit Kapila <amit.kapila16@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate James Sewell <james.sewell@lisasoft.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate James Sewell <james.sewell@lisasoft.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Paul Ramsey <pramsey@cleverelephant.ca>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate James Sewell <james.sewell@lisasoft.com>
Re: Parallel Aggregate Robert Haas <robertmhaas@gmail.com>
Re: Parallel Aggregate James Sewell <james.sewell@lisasoft.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate James Sewell <james.sewell@lisasoft.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate James Sewell <james.sewell@lisasoft.com>
Re: Parallel Aggregate James Sewell <james.sewell@lisasoft.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Tom Lane <tgl@sss.pgh.pa.us>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
Re: Parallel Aggregate Simon Riggs <simon@2ndQuadrant.com>
Re: Parallel Aggregate David Rowley <david.rowley@2ndquadrant.com>
Re: Parallel Aggregate Haribabu Kommi <kommi.haribabu@gmail.com>
On Mon, Mar 14, 2016 at 3:05 PM, David Rowley <david.rowley@2ndquadrant.com> wrote:
Things to try:
1. alter table a add column ts_date date; update a set ts_date =
date_trunc('DAY',ts); vacuum full analyze ts;
2. or, create index on a (date_trunc('DAY',ts)); analyze a;
3. or for testing, set the work_mem higher.
Ah, that makes sense.
Tried with a BTREE index, and it works as perfectly but the index is 428MB - which is a bit rough.
Removed that and put on a BRIN index, same result for 48kB - perfect!
Thanks for the help,
James
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