Re: Synch Rep for CommitFest 2009-07 - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: Synch Rep for CommitFest 2009-07
Date
Msg-id 4A5F4A31.5050701@enterprisedb.com
Whole thread Raw
In response to Re: Synch Rep for CommitFest 2009-07  (Rick Gigger <rick@alpinenetworking.com>)
Responses Re: Synch Rep for CommitFest 2009-07
List pgsql-hackers
Rick Gigger wrote:
> If you use an rsync like algorithm for doing the base backups wouldn't
> that increase the size of the database for which it would still be
> practical to just re-sync?  Couldn't you in fact sync a very large
> database if the amount of actual change in the files was a small
> percentage of the total size?

It would certainly help to reduce the network traffic, though you'd
still have to scan all the data to see what has changed.

--  Heikki Linnakangas EnterpriseDB   http://www.enterprisedb.com


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