AnalyticDB for PostgreSQL is built based on the PostgreSQL kernel, and supports the mainstream connection poolers such as PgBouncer and pgpool-II.
PgBouncer: a lightweight connection pooler for PostgreSQL. For more information, visit PgBouncer.
pgpool-II: a connection pooler that provides abundant features such as connection pooling, load balancing, automatic retrying of tasks, and query caching. For more information, visit pgpool-II.