Robert Haas

VP, Chief Architect, Database Server @ EnterpriseDB, PostgreSQL Major Contributor and Committer

Tuesday, January 30, 2018

DO or UNDO - there is no VACUUM

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What if PostgreSQL didn’t need VACUUM at all? This seems hard to imagine. After all, PostgreSQL uses multi-version concurrency control (MVC...
19 comments:
Friday, January 05, 2018

The State of VACUUM

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In a recent blog post , I talked about why every system that implements MVCC needs some scheme for removing old row versions, and how VACUUM...
2 comments:
Monday, December 18, 2017

MVCC and VACUUM

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Experienced PostgreSQL users and developers rattle off the terms “MVCC” and “VACUUM” as if everyone should know what they are and how they w...
15 comments:
Tuesday, September 26, 2017

PostgreSQL's Hash Indexes Are Now Cool

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Since I just committed the last pending patch to improve hash indexes to PostgreSQL 11, and since most of the improvements to hash indexes w...
8 comments:
Monday, August 14, 2017

Plans for Partitioning in v11

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The reaction to the new table partitioning feature in PostgreSQL 10 has been overwhelmingly positive, but a number of people have already as...
2 comments:
Wednesday, April 26, 2017

Who Contributes to PostgreSQL Development?

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In a talk which I gave at PGCONF.IN and, in a shorter version, at PGCONF.US, I had a few slides on who contributes to PostgreSQL development...
5 comments:
Saturday, April 08, 2017

New Features Coming in PostgreSQL 10

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The list of new features coming in PostgreSQL 10 is extremely impressive.  I've been involved in the PostgreSQL project since the 8.4 re...
22 comments:
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