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Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism - Mailing list pgsql-hackers

From Andres Freund
Subject Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism
Date
Msg-id 20160817231635.jcnodx4ttemggahf@alap3.anarazel.de
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In response to CLUSTER, reform_and_rewrite_tuple(), and parallelism  (Peter Geoghegan <pg@heroku.com>)
Responses Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism  (Peter Geoghegan <pg@heroku.com>)
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> Does anyone have any ideas on how to:
> 
> 1). Directly address the reform_and_rewrite_tuple() bottleneck.

What part of is actually the expensive bit? It does a whole lot of
things. Forming/Deforming tuples, the hash lookups in
rewrite_heap_tuple(), ...?

Andres

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