Re: Freeze avoidance of very large table.
| От | Jim Nasby |
|---|---|
| Тема | Re: Freeze avoidance of very large table. |
| Дата | |
| Msg-id | 55383077.3080108@BlueTreble.com обсуждение исходный текст |
| Ответ на | Re: Freeze avoidance of very large table. (Bruce Momjian <bruce@momjian.us>) |
| Ответы |
Re: Freeze avoidance of very large table.
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| Список | pgsql-hackers |
On 4/22/15 6:12 PM, Bruce Momjian wrote: > My point is that for the life of 200M transactions, you would have the > overhead of an additional file per table in the file system, and updates > of that. I just don't know if the overhead over the long time period > would be smaller than the VACUUM FREEZE. It might be fine --- I don't > know. People seem to focus on the big activities, while many small > activities can lead to larger slowdowns. Ahh. This wouldn't be for the life of 200M transactions; it would be a permanent fork, just like the VM is. -- Jim Nasby, Data Architect, Blue Treble Consulting Data in Trouble? Get it in Treble! http://BlueTreble.com
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