Re: localhost (windows) performance
От | justin |
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Тема | Re: localhost (windows) performance |
Дата | |
Msg-id | 48EB8637.4000504@emproshunts.com обсуждение исходный текст |
Ответ на | localhost (windows) performance (johnf <jfabiani@yolo.com>) |
Ответы |
Re: localhost (windows) performance
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Список | pgsql-general |
johnf wrote: > I have a friend I asked to load postgres 8.3 on his XP machine. He then > tested a python script which accesses several tables and discovered that it > retrieves data very slowly. It takes about 20 seconds to retrieve the data - > on localhost. However, using a remote connection to a postgres database > (mine) over the internet and running the same python script it takes only 12 > seconds. The difference of 8 seconds makes no sense - the remote is > completely on the other coast. > > I then thought it had something to do with the data -although the data set is > small. I did a complete dump and restored on his machine and again got the > same results. The machine has a recent motherboard with 2 gb of ram. It > does not appear to be swapping out ram. > > > Using my local XP (accessing the LINUX database on the LAN) runs the same > python script in just under 3 seconds (most of the time is in loading the > GUI). > > One other major difference is I'm running postgres8.2 on linux. > > Anybody, have a suggestion - I'm not a windows guru. Or is this normal for > windows? Hardware related i'm betting. The client is having to run the python the gui and postgresql on the same hard drive its gettingIO bound What size is the data set 1 meg 20 megs or 100 megs. I have seen small record counts but it was nothing but blobs in thetable so the table was 5 gigs. What is the hardware specs on the XP machine?? Can you post the Select statements???
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