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From: Tom Lane <[email protected]>
To: Tomas Vondra <[email protected]>
Cc: Bharath Rupireddy <[email protected]>
Cc: [email protected] <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: Fdw batch insert error out when set batch_size > 65535
Date: Wed, 09 Jun 2021 09:28:30 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <OS0PR01MB571603973C0AC2874AD6BF2594299@OS0PR01MB5716.jpnprd01.prod.outlook.com>
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	<CALj2ACV=qgpccTEip7NHJWDe3Set8wXwDmNnRzy=GYmx9x94XQ@mail.gmail.com>
	<OS0PR01MB57160ADFD5010254C8D1CE6594259@OS0PR01MB5716.jpnprd01.prod.outlook.com>
	<CALj2ACVvrd6LGga6UzOu17GzW0cmaS-F30KMBSxKsA+Zw8Z=BQ@mail.gmail.com>
	<CALj2ACXBJ3a7MLbCAGA=5dneYsD720KPp1Pot-kKVM1YFPkESA@mail.gmail.com>
	<[email protected]>
	<CALj2ACXq8a=FdrPDa=_wMrvOwcZjrNfCdeyfG-2dt17LyBEc=g@mail.gmail.com>
	<OS0PR01MB571674E988B480E82066EA7794239@OS0PR01MB5716.jpnprd01.prod.outlook.com>
	<[email protected]>
	<CALj2ACUxf+PRaTVPEY-pV_nNgsB0_U2uU3u8GqMKcF-6M2exjw@mail.gmail.com>
	<[email protected]>
	<CALj2ACXoxbNhpKx2r29OyBdx+fA51Xsv80B-9-xyp1CeBL3ckQ@mail.gmail.com>
	<1! [email protected]>
	<[email protected]>
	<[email protected]>

Tomas Vondra <[email protected]> writes:
> Note that the problem here is [1] - we're creating a lot of slots 
> referencing the same tuple descriptor, which inflates the duration. 
> There's a fix in the other thread, which eliminates ~99% of the 
> overhead. I plan to push that fix soon (a day or two).

Oh, okay, as long as there's a plan to bring the time back down.

			regards, tom lane





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