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v2.1

Documentation:v2.1

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STATIO_SYS_TABLES

PG_STATIO_SYS_TABLES displays I/O status information about all system catalogs in the current namespace.

Table 1 STATIO_SYS_TABLES columns

Name Type Description
relid oid Table OID
schemaname name Name of the schema that the table is in
relname name Table name
heap_blks_read bigint Number of disk blocks read from the table
heap_blks_hit bigint Number of cache hits in the table
idx_blks_read bigint Number of disk blocks read from indexes in the table
idx_blks_hit bigint Number of cache hits in indexes in the table
toast_blks_read bigint Number of disk blocks read from the TOAST table (if any) in the table
toast_blks_hit bigint Number of buffer hits in the TOAST table (if any) in the table
tidx_blks_read bigint Number of disk blocks read from the TOAST table index (if any) in the table
tidx_blks_hit bigint Number of buffer-hits in the TOAST table index (if any) in the table
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