waiting for harddisk

From: "petchimuthu lingam" <spmlingam(at)gmail(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: waiting for harddisk
Date: 2008-03-24 13:05:51
Message-ID: cd233fc30803240605k2a7ae66w90487449ae07d051@mail.gmail.com
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i am using postgresql 8.1.8,

Following configurations:
shared_buffers = 5000
work_mem = 65536
maintenance_work_mem = 65536
effective_cache_size = 16000
random_page_cost = 0.1

The cpu is waiting percentage goes upto 50%, and query result comes later,

i am using normal select query ( select * from table_name ).

table has more then 6 million records.

--
With Best Regards,
Petchimuthulingam S

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