Re: Linux ready for high-volume databases?
От | Dennis Gearon |
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Тема | Re: Linux ready for high-volume databases? |
Дата | |
Msg-id | 3F4BAB14.8060709@fireserve.net обсуждение исходный текст |
Ответ на | Re: Linux ready for high-volume databases? (Greg Stark <gsstark@mit.edu>) |
Ответы |
Re: Linux ready for high-volume databases?
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Список | pgsql-general |
With the low cost of disks, it might be a good idea to just copy to disks, that one can put back in. Greg Stark wrote: >Vivek Khera <khera@kcilink.com> writes: > > > >>I run a 24x7x365 db on FreeBSD which has *never* crashed in the 3 >>years it has been in production. Only downtime was the upgrade from >>PG 7.1 to 7.2 and once for a switchover from RAID5 to RAID10. >> >> > >I would be interested to know what backup strategy you use for this. Without >online backups this means that if you had crashed you would have lost data up >to the last pg_dump you took? Had you done tests to see how long it would have >taken to restore from the pg_dump? > >Online backups with archived transaction logs are the next big killer feature >(the last one remaining?) for 24x7 operation I think. > > > >>The DB is currently about 27Mb on disk (including indexes) and >>processes several million inserts and updates daily, and a few million >>deletes once every two weeks. >> >> > >Oh, it's a really small database. That helps a lot with the backup problems of >24x7 operation. Still I would be interested. > > > >
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