Client en python
client en python pour se connecter à hvault :
Psycopg is the most popular PostgreSQL database adapter for the Python programming language.
Postgresql - Page 2
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[Postgres] YOUR postgresql.conf CONFIGURATIONS
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[PostgreSQL] Replication logique
a completer
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[Postgres] Monitor autovacuum_freeze_max_age
This query allows you to monitor the : autovacuum_freeze_max_age
SELECT datname, round(age(datfrozenxid)/to_number(current_setting('autovacuum_freeze_max_age'),'999999999')*100,1) as Percent FROM pg_database where datname != 'template0';
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[Postgres] Monitor wait event
\t
select wait_event_type, wait_event from pg_stat_activity where pid !=pg_backend_pid();
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[Postgres] Solve PostgreSQL DataFileRead and buffer_io with Parameter Tuning
Click her to see the next.
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[Postgres] Tuto tuning
This site helped to resolve IPC wait event : Postgres checkpoint tuning | Tembo Docs
You have to adapt the checkpoint_timeout within the max_wal_size.
If the max_wal_size is 8Go then you can increase the default value of checkpoint_timeout (which is 5 min).
For big database with big wal size, you need to increase the checkpoint_timeout to avoid IPC wait event on the Buffers.
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[Postgres] Identifier les privilèges
SELECT * FROM information_schema.role_table_grants WHERE grantee = '<role_name>';
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[Postgres] Identifier les attentes
This query allows you to identify the wait events on which query .
How to Find and Stop Running Queries on PostgreSQL
Find a query with his pid.
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[Postgres] PG_PARTMAN
pg_partman v4 vs pg_partman v5
Une fonction diffère.
Conséquence la version 5 va gérer nativement la rotation des partitions et pas la 4
voici la fonction :