pgpro_statsmodule is used as a combination ofpg_stat_statements,pg_stat_kcacheandpg_wait_samplingmodules, is’s a part of the Postgres Professional distribution. It can show query execution plans with waits profiles related to them. For more information, please, visithttps://postgrespro.ru/doc...
max_connections = 100 # (change requires restart) # Note: Increasing max_connections costs ~400 bytes of shared memory per # connection slot, plus lock space (see max_locks_per_transaction). #superuser_reserved_connections = 3 # (change requires restart) #unix_socket_directories = '/var/ru...
postgres=# \d+ test Table "public.test" Column | Type | Modifiers | Storage | Stats target | Description ---+---+---+---+---+--- id | bigint | | plain | | info | text | | extended | | crt_time | timestamp without time zone | | plain | | Child tables: test_1_prt...
completionTag=<optimized out>) at pquery.c:1143 #12 0x0000000000b9de58 in exec_simple_query (query_string=<optimized out>) at postgres.c:1685 #13 0x0000000000b9f8cc in PostgresMain (argc=<optimized out>, argv=argv@entry=0x18f0a50, dbname=<optimized out>, username=<optimized out>) at...
JSON_QUERY() - Returns the result (JSON, array, or string) of applying the SQL/JSON path_expression to the JSON value SELECT JSON_QUERY(jsonb '{"a": "[1, 2]"}', '$.a’); ---[1, 2] JSON_VALUE() - Returns the result (SQL/JSON scalar) of applying the SQL/JSON path_exp...
This feature is deprecated in favor of built-in collector functions. For generic SQL database monitoring see thesql_exporter. The -extend.query-path command-line argument specifies a YAML file containing additional queries to run. Some examples are provided inqueries.yaml. ...
pgbouncer=# show stats; -[ RECORD 1 ]---+--- database | pgbouncer total_requests | 21138 total_received | 0 total_sent | 0 total_query_time | 0 avg_req | 0 avg_recv | 0 avg_sent | 0 avg_query | 0 A full list of commands is available in pgbouncer’s documentation....
typedef struct PgStat_BgWriterStats { PgStat_Counter buf_written_clean;//写了多少脏页 PgStat_Counter maxwritten_clean;//bgwriter写出的脏页达到bgwriter_lru_maxpages导致bgwriter停止的次数 PgStat_Counter buf_alloc;//总共多少次buffer分配请求 TimestampTz stat_reset_timestamp; } PgStat_BgWriterStats; Datum...
Also added is the hypopg extension, which provides support for hypothetical indexes in Postgres Pro, and fixed incorrect pg_wait_sampling behavior when used with an advanced query protocol. Compatible with Secret Cloud Enterprise Postgres Professional, the developer of the Russian DBMS Postgres Pro,...
In today’s E118 of “5mins of Postgres” we discuss two changes in the upcoming Postgres 17 release that improve query plans for queries that involve CTEs. This can improve query plans where you would see an explicit CTE scan, due to use of the keyword, or because Postgres wasn't able...