Re: ToDo: no blocking (waiting) DDL

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: ToDo: no blocking (waiting) DDL
Date: 2016-12-13 12:03:37
Message-ID: 20161213120337.zxw2r6ox4ga4qmxr@alvherre.pgsql
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Pavel Stehule wrote:
> Hi
>
> I don't remember well, there was maybe similar ToDo.
>
> Yesterday I got a incident on high load system when I executed DROP INDEX
> cmd.
>
> This statement waited on a finish of long transaction, but it stopped any
> other statements.
>
> Can be nice when waiting on lock statement doesn't block another
> statements.

https://postgr.es/m/CAKddOFDz0+F2uspVN5BZgtN7Wp+vQbeLuQPWfvGwap5JZvXPxQ@mail.gmail.com

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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