Re: Slow adding Large Indexes - Mailing list pgsql-admin

From Tom Lane
Subject Re: Slow adding Large Indexes
Date
Msg-id 9766.1248703205@sss.pgh.pa.us
Whole thread Raw
In response to Slow adding Large Indexes  ("Thorne, Francis" <thornef@cromwell.co.uk>)
List pgsql-admin
"Thorne, Francis" <thornef@cromwell.co.uk> writes:
> The problem I have is that it takes around 15 mins to insert the data
> into the table which is a massive improvement from the old server but it
> then takes 40 mins to create two indexes one 1GB index and another that
> is a 2GB index this is considerably slower than on the older server.

If these are indexes on textual data, maybe you accidentally changed
from C locale to some other locale.  All the other ones are slower to
compare text strings, sometimes massively so.

            regards, tom lane

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