Wiki / Statistics & Metrics / pg_stat_progress_cluster
pg_stat_progress_cluster.heap_blks_total
Total number of heap blocks in the table. This number is reported as of the beginning of seq scanning heap.
Reading PostgreSQL 18.6.
Description
Total number of heap blocks in the table. This number is reported as of the beginning of seq scanning heap.
- View
- pg_stat_progress_cluster
- Field
- heap_blks_total
- SQL type
- bigint
- Units named in the field definition
- blocks
- Reset observation
- No stats_reset field is documented for this view
Usage
SELECT heap_blks_total FROM pg_catalog.pg_stat_progress_cluster;View semantics
Whenever CLUSTER or VACUUM FULL is running, the pg_stat_progress_cluster view will contain a row for each backend that is currently running either command. The tables below describe the information that will be reported and provide information about how to interpret it.
Collection and reset context
Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.
Inspect this field
Example query; no execution result or measured value is asserted.
SELECT heap_blks_total FROM pg_catalog.pg_stat_progress_cluster;Related entries
Documentation and source
Source build
- Version
- 18.6
- Build
- https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2
- Source fingerprint
555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
Compare versions
PostgreSQL 11 → 12: added.
--- PostgreSQL 11
+++ PostgreSQL 12
@@ -1 +1,8 @@
-Not recorded in this version
+{
+ "field": "heap_blks_total",
+ "sql_type": "bigint",
+ "units_mentioned": [
+ "blocks"
+ ],
+ "view": "pg_stat_progress_cluster"
+}
Compares recorded interfaces and attributes. Source fingerprints and build metadata are excluded; an absent sample is not proof of the introduction or removal release.
Related entries
pg_stat_progress_cluster.cluster_index_relidpg_stat_progress_cluster.commandpg_stat_progress_cluster.datidpg_stat_progress_cluster.datnamepg_stat_progress_cluster.heap_blks_scannedpg_stat_progress_cluster.heap_tuples_scannedpg_stat_progress_cluster.heap_tuples_writtenpg_stat_progress_cluster.index_rebuild_countpg_stat_progress_cluster.phasepg_stat_progress_cluster.pidpg_stat_progress_cluster.relid
Export JSON · Back to Statistics & Metrics · Recorded in PostgreSQL 12 through 20; the first sample is not necessarily its introduction.