heap_blks_read

Heap blocks read

Dimensions:None

Available on:

Datadog

postgresql.heap_blocks_read

Enabled with `relations`. The number of disk blocks read from this table. This metric is tagged with db, schema, table.

Dimensions:None

Native

heap_blks_read

Number of disk blocks read from table

Dimensions:None

Prometheus

statio_user_tables_heap_blocks_read

Number of disk blocks read from this table

Dimensions:None

Sources

Technical Annotations (3)

Configuration Parameters (1)

shared_buffers

PostgreSQL memory cache size - increase if cache hit ratio is low

Technical References (2)

Django Debug Toolbarcomponentcache panelcomponent

Low cache hit ratio indicates ineffective cache configurationinfo

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