Re: Function scan push-down using SQL/MED syntax - Mailing list pgsql-cluster-hackers

From Tatsuo Ishii
Subject Re: Function scan push-down using SQL/MED syntax
Date
Msg-id 20100309.225411.24596908.t-ishii@sraoss.co.jp
Whole thread Raw
In response to Re: Function scan push-down using SQL/MED syntax  (Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp>)
List pgsql-cluster-hackers
> IMHO, since network is typically slower than in-memory data copy,
> data compression and burst-transport would be more effective
> even if they consume local CPU resources to convert the data format.

Not sure. Once I tested the performance of rsync using two computers
connected with a GbE. With --compress option, rsync was slower than
without the option. Of course this may vary in different CPU
speed/network speed combo though.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp

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