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BUG #6650: CPU system time utilization rising few times a day - Mailing list pgsql-bugs

From a.krawiec@focustelecom.pl
Subject BUG #6650: CPU system time utilization rising few times a day
Date
Msg-id E1SVJC5-0001iS-LT@wrigleys.postgresql.org
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The following bug has been logged on the website:

Bug reference:      6650
Logged by:          Andrzej Krawiec
Email address:      a.krawiec@focustelecom.pl
PostgreSQL version: 8.4.11
Operating system:   CentOS 6.0 - 2.6.32-220.13.1.el6.x86_64
Description:=20=20=20=20=20=20=20=20

Primarily checked on PG 8.4.9 (same OS), problem also occurs. Few times a
day I get a situation where PostgreSQL stops running for 1-2 minutes. CPU is
running 99% in systime. IO is OK, only interrupts are extremely high (over
100k). System operates on 2 x Xeon 10 Core, 128 GB RAM, raid 10. Does anyone
have any idea?

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