Re: Fwd: Re: Weird trouble with select
От | erobles |
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Тема | Re: Fwd: Re: Weird trouble with select |
Дата | |
Msg-id | 4C2A0784.30108@sensacd.com.mx обсуждение исходный текст |
Ответ на | Re: Fwd: Re: Weird trouble with select (Adrian Klaver <adrian.klaver@gmail.com>) |
Ответы |
Re: Fwd: Re: Weird trouble with select
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Список | pgsql-general |
> >>>> Hi! >>>> >>>> I have 3 pc's: >>>> pc 'A' with postgres 7.2 running >>>> pc 'B' and 'C' connected to 'A' >>>> >>> You should upgrade as quickly as possible. 7.2 is ancient. Even 8.1 will >>> hit end-of-life soon. >>> >> We are testing postgres 8.3.11 to detect any problem when we migrate >> from 7.2 :-) >> >> >>>> if i made the next query on 'B' or 'C' : "select * from detail with >>>> id=72"; takes too long time to return the data, near of 10 minutes >>>> more or less. >>>> if i made the next query on 'B' or 'C' : "select * from detail with >>>> id=71", or whatever value in id , the data are returned immediatly. >>>> >>>> if i made the next query on 'A' (postgres server): "select * from >>>> detail with id=72", the data are returned immediatly. >>>> >>> I wonder if you're just hitting caching effects, and the different >>> client hosts are confusing the issue. >>> If you issue the query from one machine >>> multiple times, does it reliably take forever the first time, and go >>> quickly afterward? >>> >> no, doesn't. >> This only works fine with a pc diferent to 'B' or 'C' >> if the query is executed many times only on 'B' the query always fail >> for id=72 with another value works fine. >> > Hi!, thanks for your answer > How many results are being returned for id=72 vs other ids? > the tuples returned for id=72 are 91 (is too short :-( ), for id=71 are 94 for id=10 are 44. > How are 'B' and 'C' connecting to 'A'; psql,JDBC,ODBC ? > the connection is realized by psql. > Are you sure the clients are all connecting to the same database? > Yes i sure. Even check the PGUSER, PGDATABASE and PGHOST and those varables are well setting.
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