Script to compute randon page cost
От | Hans-Jürgen Schönig |
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Тема | Script to compute randon page cost |
Дата | |
Msg-id | 3D7C567B.20006@cybertec.at обсуждение исходный текст |
Ответы |
Re: Script to compute randon page cost
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Список | pgsql-hackers |
Linux RedHat 7.3 (ext3, kernel 2.4.18-3) 512MB Ram AMD Athlon 500 IBM 120GB IDE [hs@backup hs]$ ./randcost.sh /data/db/ Collecting sizing information ... Running random access timing test ... Running sequential access timing test ... random_page_cost = 0.901961 [hs@backup hs]$ ./randcost.sh /data/db/ Collecting sizing information ... Running random access timing test ... Running sequential access timing test ... random_page_cost = 0.901961 Great script - it should be in contrib. Hans -- *Cybertec Geschwinde u Schoenig* Ludo-Hartmannplatz 1/14, A-1160 Vienna, Austria Tel: +43/1/913 68 09; +43/664/233 90 75 www.postgresql.at <http://www.postgresql.at>, cluster.postgresql.at <http://cluster.postgresql.at>, www.cybertec.at <http://www.cybertec.at>, kernel.cybertec.at <http://kernel.cybertec.at>
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