| From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
|---|---|
| To: | Rick Gigger <rick(at)alpinenetworking(dot)com> |
| Cc: | Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Synch Rep for CommitFest 2009-07 |
| Date: | 2009-07-16 15:41:37 |
| Message-ID: | 4A5F4A31.5050701@enterprisedb.com |
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| Lists: | 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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