Re: WIP: bloom filter in Hash Joins with batches

From: Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru>
To: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: WIP: bloom filter in Hash Joins with batches
Date: 2015-12-24 11:43:37
Message-ID: 20151224144337.0e92d8f4@fujitsu
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Hello, Tomas.

Great idea!

Did you consider to cache bloom filter or at least part(s) of it
somehow? I think this way we could gain some more TPS. This of course
assuming that creating a bloom filter is really a bottleneck here,
which would be nice be investigated first.

Best regards,
Aleksander

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