Re: CREATE TABLE, load and freezing - Mailing list pgsql-hackers

From Pavan Deolasee
Subject Re: CREATE TABLE, load and freezing
Date
Msg-id 2e78013d0802280216of79c5fcw9a04fbedf14b2e1d@mail.gmail.com
Whole thread Raw
In response to Re: CREATE TABLE, load and freezing  (ITAGAKI Takahiro <itagaki.takahiro@oss.ntt.co.jp>)
List pgsql-hackers
On Thu, Feb 28, 2008 at 3:25 PM, ITAGAKI Takahiro
<itagaki.takahiro@oss.ntt.co.jp> wrote:
>
>
>  Sounds cool. I recommended users to do VACUUM FREEZE just after initial
>  loading, but we can avoid it with your method.
>

Yeah, and the additional step of VACUUM FREEZE adds up to the restore
time.


>
>  To make things worse, the freezing day comes at once because the first restore
>  is done in a single or near transactions; The wraparound timings of many
>  tables are aligned at the same time. Freezing copy will be the solution.
>

If we can start with a freezed table and even if the table is
subsequently updated,
hopefully DSM (or something of that sort) will help us reduce the vacuum freeze
time whenever its required.

Thanks,
Pavan

-- 
Pavan Deolasee
EnterpriseDB     http://www.enterprisedb.com


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