View statistics_top_ten_block_writes_queries

Top ten queries by block writes.

COUTION

The schema where the extension pg_stat_statements is installed has to be in the search_path of the user!

This view needs pg_stat_statements to be installed. When the extension is not installed, the view will not be installed by the extension.

Columns

Column Name datatype Description
rolename regrole The role/user who executed the query.
database_name name The database name in which the query has been executed.
shared_buffer_written bigint This is the number of shared blocks written into shared buffer and written to disk.
shared_buffer_read bigint This is the read is the count of times disk blocks had to be read into memory, which indicates actual I/O operations. High values in shared_blks_read suggest that these queries are the most I/O intensive, which can be a starting point for performance optimization.
query text This is the SQL source of the query.

Example

SELECT *
FROM statistics_top_ten_time_consuming_queries;
rolename database_name shared_buffer_written shared_buffer_read query
stefanie pgsql_tweaks_test 11 0 CREATE TABLE test_gap_fill(id INTEGER, some_value text)
stefanie pgsql_tweaks_test 10 0 CREATE EXTENSION pg_stat_statements