From: | Roberto Joao Lopes Garcia <roberto(at)mha(dot)com(dot)br> |
---|---|
To: | John Holland <jholland(at)isr(dot)umd(dot)edu> |
Cc: | pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] Postgres Speed or lack thereof |
Date: | 1999-01-19 15:43:43 |
Message-ID: | 3.0.5.32.19990119134343.008e77c0@pop.hipernet.com.br |
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Thread: | |
Lists: | pgsql-hackers |
At 11:29 19/01/99 -0500, you wrote:
>can you explain the -F flag? when is it passed to what? Can this be done
>in plpgsql? how?
Or passed by libpq in a C program that needs to insert (as fast as
possible) a lot of new rows?
>
>
>john
>On
>Mon, 18 Jan 1999, Tom Lane wrote:
>
>> Vadim Mikheev <vadim(at)krs(dot)ru> writes:
>> > For the table with single int4 column & 2000 INSERTs I have:
>>
>> > BEGIN/END: 3.5sec ~600insert/sec
>> > Without: 151sec ~13insert/sec
>>
>> > (IDE disk!)
>>
>> > I guess that you don't use -F flag..?
>>
>> *Do* use -F, you meant of course. You're right, I do. With an
>> fsync after every transaction, I'm sure my test would've been much
>> slower.
>>
>> However, with a UPS and an OS that only crashes about once every
>> other year, I feel pretty secure using -F ...
>>
>> regards, tom lane
>>
>
>
>
>
------------------------------------------------------------------
Eng. Roberto João Lopes Garcia E-mail: roberto(at)mha(dot)com(dot)br
F. 55 11 848 9906 FAX 55 11 848 9955
MHA Engenharia Ltda
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