{"Entry":{"collection":"metric","key":"pg_statio_all_tables-idx_blks_read","name":"pg_statio_all_tables.idx_blks_read","aliases":["idx_blks_read","pg_statio_all_tables"],"metadata":{"aliases":["idx_blks_read","pg_statio_all_tables"],"category":"pg_statio_all_tables","content_hash":"da6e6d338749dc098dabe042d8f25fa88e865d6d22013979f426751ce24d852e","imported_at":"2026-09-30T00:40:46.82742+08:00","name":"pg_statio_all_tables.idx_blks_read","name_zh":"","slug":"pg_statio_all_tables-idx_blks_read","summary":"Number of disk blocks read from all indexes on this table"}},"Definition":{"Collection":"metric","Key":"pg_statio_all_tables-idx_blks_read","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_statio_all_tables-idx_blks_read","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"idx_blks_read","sql_type":"bigint","units_mentioned":["blocks"],"view":"pg_statio_all_tables"},"comparison_hash":"4453aef7310c855ec6eebf11f1840287390f004dd533c78e6100e9170c331dfa","description":["Number of disk blocks read from all indexes on this table"],"documented":true,"facts":[{"label":"View","value":"pg_statio_all_tables"},{"label":"Field","value":"idx_blks_read"},{"label":"SQL type","value":"bigint"},{"label":"Units named in the field definition","value":"blocks"},{"label":"Reset observation","value":"No stats_reset field is documented for this view"}],"field":"idx_blks_read","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_statio_all_tables columns","url":"/wiki/catalog/pg_statio_all_tables/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"release":{"channel":"stable","label":"18.6","major":"18","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sections":[{"paragraphs":["The pg_statio_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about I/O on that specific table. 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