10 lines
295 B
SQL
10 lines
295 B
SQL
SELECT
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'index hit rate' AS name,
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(sum(idx_blks_hit)) / nullif(sum(idx_blks_hit + idx_blks_read),0) AS ratio
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FROM pg_statio_user_indexes
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UNION ALL
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SELECT
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'table hit rate' AS name,
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sum(heap_blks_hit) / nullif(sum(heap_blks_hit) + sum(heap_blks_read),0) AS ratio
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FROM pg_statio_user_tables
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