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04-19-2008, 10:43 AM
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 Benchmarking PG Hi to all. I'd like to benchmark PG. I'd like to compare sorting performances (time spent, #of disk accesses, # of run produced etc) of the present Replacement Selection (external sorting) algorithm and of a refinement I'm going to implement. I'm new on PG, I just had the idea of how to possibly get better that algorithm and choosed to test it on PG since it's an open-source DBMS. I've been searching the web for a benchmark. I suppose TPC-H and Wisconsin could fit, but had problems when trying to use them. Any suggestion on a "good benchmark"? Any tutorial on how to use them? Thanks for your time. Regards. Manolo. __________________________________________________ _______________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/g...ave/direct/01/ ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend      |
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04-19-2008, 10:43 AM
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| Re: Benchmarking PG On Dec 11, 2007 4:06 AM, Manolo _ <mac_man2005@hotmail.it> wrote: > > Hi to all. > > I'd like to benchmark PG. I'd like to compare sorting performances (time spent, #of disk accesses, # of run produced etc) of the present Replacement Selection (external sorting) algorithm and of a refinement I'm going to implement. > > I'm new on PG, I just had the idea of how to possibly get better that algorithm and choosed to test it on PG since it's an open-source DBMS. > > I've been searching the web for a benchmark. I suppose TPC-H and Wisconsin could fit, but had problems when trying to use them. > Any suggestion on a "good benchmark"? > Any tutorial on how to use them? > > Thanks for your time. > > Regards. > Manolo. > __________________________________________________ _______________ > Express yourself instantly with MSN Messenger! Download today it's FREE! > http://messenger.msn.click-url.com/g...ave/direct/01/ > ---------------------------(end of broadcast)--------------------------- > TIP 6: explain analyze is your friend > Well, there's pgbench. http://www.postgresql.org/docs/8.3/static/pgbench.html - Josh / eggyknap ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings |
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04-19-2008, 10:43 AM
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| Re: Benchmarking PG Hi Josh! Thanks for your reply. Actually I forgot to mention PGBench, sorry. But I also forgot to mention I'm looking for an "impartial"... I mean "outer" tool to test PG. Any suggestion, please? Regards. ---------------------------------------- > Date: Tue, 11 Dec 2007 04:16:02 -0700 > From: eggyknap@gmail.com > To: mac_man2005@hotmail.it > Subject: Re: [PERFORM] Benchmarking PG > CC: pgsql-performance@postgresql.org > > On Dec 11, 2007 4:06 AM, Manolo _ wrote: >> >> Hi to all. >> >> I'd like to benchmark PG. I'd like to compare sorting performances (timespent, #of disk accesses, # of run produced etc) of the present Replacement Selection (external sorting) algorithm and of a refinement I'm going to implement. >> >> I'm new on PG, I just had the idea of how to possibly get better that algorithm and choosed to test it on PG since it's an open-source DBMS. >> >> I've been searching the web for a benchmark. I suppose TPC-H and Wisconsin could fit, but had problems when trying to use them. >> Any suggestion on a "good benchmark"? >> Any tutorial on how to use them? >> >> Thanks for your time. >> >> Regards. >> Manolo. >> __________________________________________________ _______________ >> Express yourself instantly with MSN Messenger! Download today it's FREE! >> http://messenger.msn.click-url.com/g...ave/direct/01/ >> ---------------------------(end of broadcast)--------------------------- >> TIP 6: explain analyze is your friend >> > > Well, there's pgbench. http://www.postgresql.org/docs/8.3/static/pgbench.html > > - Josh / eggyknap __________________________________________________ _______________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/g...ave/direct/01/ ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate |
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04-19-2008, 10:43 AM
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| Re: Benchmarking PG Manolo _ wrote: > I'd like to benchmark PG. I'd like to compare sorting performances (time spent, #of disk accesses, # of run produced etc) of the present Replacement Selection (external sorting) algorithm and of a refinement I'm going to implement. > > I'm new on PG, I just had the idea of how to possibly get better that algorithm and choosed to test it on PG since it's an open-source DBMS. > > I've been searching the web for a benchmark. I suppose TPC-H and Wisconsin could fit, but had problems when trying to use them. > Any suggestion on a "good benchmark"? > Any tutorial on how to use them? If you want to compare sorting performance in particular, running a big query that needs a big sort will be much more useful than a generic DBMS benchmark like TPC-H. -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to majordomo@postgresql.org so that your message can get through to the mailing list cleanly |
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