While working on determining a good stripe size for a database, I realized it would be handy to know what the average request size is. Getting this info is a simple matter of joining pg_stat_all_tables and pg_statio_all_tables and doing some math, but there's one issue I've found; it appears that there's no information on how many heap blocks were read in by an index scan. Is there any way to get that info?
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Jim C. Nasby, Sr. Engineering Consultant      [EMAIL PROTECTED]
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461



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