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v3.0

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SUMMARY_STATIO_ALL_TABLES

SUMMARY_STATIO_ALL_TABLES contains I/O statistics about each table (including TOAST tables) in databases in MogDB.

Table 1 SUMMARY_STATIO_ALL_TABLES columns

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