What is pgpool?

What is pgpool?

Pgpool-II is a proxy software that sits between PostgreSQL servers and a PostgreSQL database client. It provides the following features: If a database is replicated (because running in either replication mode or native replication mode), performing a SELECT query on any server will return the same result.

How do you use Pgpool?

To use md5 authentication, we need to register the user name and password in file pool_passwd . Execute command pg_md5 –md5auth –username= to regist user name and MD5-hashed password in file pool_passwd . If pool_passwd doesn’t exist yet, it will be created in the same directory as pgpool.

What is watchdog in Pgpool?

watchdog monitors responses of pgpool service rather than process. It sends queries to PostgreSQL via pgpool which is being monitored by watchdog and watchdog checks the response. Also watchdog monitors connections to up stream servers (application servers etc.)

Is Pgpool-II open source?

Pgpool-II is an open source project and the contribution style follows the way PostgreSQL does except that we don’t have CF application. Source code is managed by the git repository.

How do I configure Pgpool-II?

To enable Pgpool-II authentication:

  1. Copy the pool_hba. conf.
  2. Modify the pool_hba. conf file, specifying authentication information for servers or users you want to connect.
  3. Modify the pgpool. conf file, setting the enable_pool_hba parameter to on .
  4. Restart Pgpool-II to reload the Pgpool-II configuration files.

What is pgBackRest?

pgBackRest is an open source backup tool that creates physical backups with some improvements compared to the classic pg_basebackup tool. We can use pgBackRest to perform an initial database copy for Streaming Replication by using an existing backup, or we can use the delta option to rebuild an old standby server.

How do you stop Pgpool?

Similarly, pgpool can be stopped in two ways:

  1. By stopping the pgpool service at the command line as the root user: service pgpool stop.
  2. By executing the pgpool command with the stop option: pgpool stop.

What is watchdog in cluster?

Functioning of the Watchdog (heart_beat_watchdog_thread) A watchdog is started automatically each time a JobScheduler is started as part of a Cluster. Each watchdog runs as a seperate thread alongside its respective JobScheduler and monitors that JobScheduler’s heartbeat.

How do I configure Pgpool II?

What is a pool in Postgres?

Share. Connection pooling refers to the method of creating a pool of connections and caching those connections so that it can be reused again. PostgreSQL has a postmaster process, which spawns new processes for each new connection to the database.

What is PgBouncer in PostgreSQL?

What is PgBouncer? PgBouncer is an open-source, lightweight, single-binary connection pooler for PostgreSQL. It can pool connections to one or more databases (on possibly different servers) and serve clients over TCP and Unix domain sockets. PgBouncer maintains a pool of connections for each unique user, database pair.

What is Pg_repack?

pg_repack is a PostgreSQL extension which lets you remove bloat from tables and indexes, and optionally restore the physical order of clustered indexes. Unlike CLUSTER and VACUUM FULL it works online, without holding an exclusive lock on the processed tables during processing.

What do you need to know about pgpool-2?

Installation of Pgpool-II 3. Server Setup and Operation 4. Watchdog 5. Server Configuration 6. Client Authentication 7. Performance Considerations III. Examples 8. Configuration Examples IV. Reference II. PCP commands III.

When does the global intellectual property Academy start?

The Global Intellectual Property Academy provides intellectual property training in a variety of different topics primarily that focus on enforcement, patents, trademarks, and copyrights. GIPA programs are run on a fiscal calendar from October to September and are conducted around the world, through both in-person and virtual modes.

How to contact the global intellectual property center?

Please contact Scott Hall at [email protected] or 202-463-5817. Why is IP Important?

What is the world intellectual property organization ( WIPO )?

The World Intellectual Property Organization (WIPO) is the global nongovernmental organization tasked with coordinating and marshaling efforts to harmonize intellectual property rights among countries and regions.

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