This is a discussion on Re: Getting even more insert performance (250m+rows/day) within the Pgsql Performance forums, part of the PostgreSQL category; --> Daniel J. Luke wrote: > On May 24, 2006, at 4:12 PM, Larry Rosenman wrote: >> are the batches ...
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| Daniel J. Luke wrote: > On May 24, 2006, at 4:12 PM, Larry Rosenman wrote: >> are the batches single insert's, or within a big transaction? >> If the former, the latter is a big win. > > One big transaction every 5 minutes using 'COPY FROM' (instead of > inserts). > >> Also, what release(s) are you running? > > 8.1.x (I think we're upgrading from 8.1.3 to 8.1.4 today). > Had to ask Also, is pg_xlog on the same or different spindles from the rest of the PG Data directory? LER -- Larry Rosenman Database Support Engineer PERVASIVE SOFTWARE. INC. 12365B RIATA TRACE PKWY 3015 AUSTIN TX 78727-6531 Tel: 512.231.6173 Fax: 512.231.6597 Email: Larry.Rosenman@pervasive.com Web: www.pervasive.com ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings |
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| On May 24, 2006, at 4:24 PM, Larry Rosenman wrote: > Also, is pg_xlog on the same or different spindles from the rest of > the > PG Data directory? It's sitting on the same disk array (but I'm doing 1 transaction every 5 minutes, and I'm not near the array's sustained write capacity, so I don't think that's currently limiting performance). -- Daniel J. Luke +================================================= =======+ | *---------------- dluke@geeklair.net ----------------* | | *-------------- http://www.geeklair.net -------------* | +================================================= =======+ | Opinions expressed are mine and do not necessarily | | reflect the opinions of my employer. | +================================================= =======+ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (Darwin) iD8DBQFEdMImjUs5tAKawAoRAi30AJsGbTRtdSK54blhAnNRVU em/Ium6QCfcibS Uawk3giuLLGSIGB7bADa2WI= =3Ix3 -----END PGP SIGNATURE----- |