* Ciprian Dorin Craciun (ciprian.craciun@xxxxxxxxx) wrote: > > Even better might be partitioning on the timestamp. IF all access is > > in a certain timestamp range it's usually a big win, especially > > because he can move to a new table every hour / day / week or whatever > > and merge the old one into a big "old data" table. > > Yes, If i would speed the inserts tremendously... I've tested it > and the insert speed is somewhere at 200k->100k. > > But unfortunately the query speed is not good at all because most > queries are for a specific client (and sensor) in a given time > range... Have you set up your partitions correctly (eg, with appropriate CHECK constraints and with constraint_exclusion turned on)? Also, you'd want to keep your indexes on the individual partitions, of course.. That should improve query time quite a bit since it should only be hitting the partitions where the data might be. Stephen
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