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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Heikki Linnakangas <heikki@enterprisedb.com>
Cc: femski <hypertree@yahoo.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Postgres batch write very slow - what to do
Date: Tue, 13 Mar 2007 12:02:26 -0400
Message-ID: <2950.1173801746@sss.pgh.pa.us> (raw)
In-Reply-To: <45F6C99B.1080507@enterprisedb.com>
References: <9452092.post@talk.nabble.com>
	<45F685B7.5040001@enterprisedb.com>
	<9453712.post@talk.nabble.com>
	<2563.1173799749@sss.pgh.pa.us>
	<45F6C99B.1080507@enterprisedb.com>

Heikki Linnakangas <heikki@enterprisedb.com> writes:
> OP said he's using addBatch/executeBatch with a batch size of 100. The 
> JDBC driver sends the whole batch before waiting for responses.

Perhaps a bit of checking with a packet sniffer would be warranted.
If it's really working like that he shouldn't see the network utilization
load he reported ...

			regards, tom lane



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