Status instance postgres

POSTGRES_IS_RUNNING=$(export PGPASSWORD=${PG_PWD}; psql --host=${MACH_DEST} --port=${PORT} --user=${PG_USER} --dbname=postgres --quiet --tuples-only --no-psqlrc --command "SELECT 1;" 2>/dev/null)




INSTANCE_STATUS=$(export PGPASSWORD=${PG_PWD}; psql --host=${MACH_DEST} --port=${PORT} --user=${PG_USER} --dbname=postgres --quiet --tuples-only --no-psqlrc --command="SELECT CASE pg_is_in_recovery() WHEN true THEN 'IN RECOVERY' ELSE 'OPEN' END;" 2>/dev/null)

Calcul de stats postgreSQL

$PGHOME/bin/vacuumdb --port=$PORT --username=$PG_USER --analyze-only --verbose --jobs=$NB_JOBS $PG_DATABASE" 2>&1

DEPLOY HA postgres

deploy_HA.txt

About JSON in RDBMS

2 links :

JSONB PostgreSQL: How To Store & Index JSON Data (scalegrid.io)

PostgreSQL JSON Tutorial (postgresqltutorial.com)

PG_BADGER

pgbadger -j 4 --outfile $HOME/rapport_complet.html -f stderr -p '%t:%r:%u@%d:[%p]:' /pglog/postgresql-2021-09-10_000000.log

Configuration application cloud postgres

USERNAME :: postgres://<instance>/<role>/user

PASSWORD ::postgres://<instance>/<role>/password

URL :: jdbc:postgresql://<instance>.<domain>:<port>/<dbname>

Ora2PG now supports oracle_fdw to increase the data migration speed

 

 

source : https://www.migops.com/blog/2021/07/01/ora2pg-now-supports-oracle_fdw-to-increase-the-data-migration-speed/

[PostgreSQL] Voir les tables partitionnées

WITH RECURSIVE partition_info(relid, relname, relsize, relispartition, relkind)
AS (SELECT oid AS relid, relname, pg_relation_size(oid) AS relsize, relispartition, relkind
      FROM pg_catalog.pg_class
     WHERE relkind = 'p' AND relname = 'mof_ple_part' -- Pour une table donnee.
     UNION ALL
    SELECT c.oid AS relid, c.relname AS relname, pg_relation_size(c.oid) AS relsize,
           c.relispartition AS relispartition, c.relkind AS relkind
      FROM partition_info AS p, pg_catalog.pg_inherits AS i, pg_catalog.pg_class AS c
     WHERE p.relid = i.inhparent AND c.oid = i.inhrelid AND c.relispartition)

SELECT * FROM partition_info;
 

select relnamespace::regnamespace::text schema_name, oid::regclass::text table_name from pg_class
where relkind = 'p' and oid in (select distinct inhparent from pg_inherits)
order by schema_name, table_name;

[PostgreSQL] Déploiement d'un cluster PATRONI

Convert a Standalone to a Patroni Cluster

Déployer le cluster PATRONI dans un nouvel environnement

[PostgreSQL] Voir les tablespaces

show default_tablespace ;

alter system set default_tablespace='tbs_msg_data' ;

select pg_reload_conf();

show default_tablespace 



show temp_tablespaces ;

alter system set temp_tablespaces='temp' ;

select pg_reload_conf();

show temp_tablespaces