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Re: Serializable read and blocking - Mailing list pgsql-general

From Kevin Grittner
Subject Re: Serializable read and blocking
Date
Msg-id CACjxUsPjvDbv0ZQauCKRN8if1z44D-i14YKovWhMPpnw13iZEA@mail.gmail.com
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In response to Serializable read and blocking  (Rakesh Kumar <rakeshkumar464a3@gmail.com>)
List pgsql-general
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On Thu, Aug 11, 2016 at 7:11 AM, Rakesh Kumar
<rakeshkumar464a3@gmail.com> wrote:

> The question is re the following claim:
>
> - Readers do not block readers.
> - Readers do not block writers.
> - Writers do not block readers.
> - Writers may block writers.
>
>
> Are the above statements true even with SET TRANSACTION SERIALIZEABLE mode.
> I am specifically interested in the 3rd condition (- Writers do not
> block readers.)

Yes.

https://wiki.postgresql.org/wiki/SSI

http://vldb.org/pvldb/vol5/p1850_danrkports_vldb2012.pdf

--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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