pgpool-II 4.6.0 Documentation
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# A.33. Release 4.3.2

> Release Date: 2022-05-19

## A.33.1. Changes

- Enhance in stopping pgpool main process. (Tatsuo Ishii)

  If "pgpool stop" couldn't terminate the main process within certain period (currently 5 seconds), send the signal again.

- Fix not to abort session while in failed transaction. (Tatsuo Ishii)

  When an explicit transaction fails, subsequent commands should be ignored until commit or rollback command comes in. However pgpool sometimes aborted the session if relcache lookup happened.

  Discussion: [pgpool-general: 8096]

- Change the PID length of pcp_proc_count command to 7 characters long. (Bo Peng)

- Enhance error message to include the message kind returned and the backend node id while processing parse message. (Tatsuo Ishii)

- Downgrade log level of ParameterStatus message from LOG to DEBUG5. (Tatsuo Ishii)

  Discussion: [pgpool-general: 8042]

- Change the default value of pcp_listen_addresses from '*' to 'localhost'. (Tatsuo Ishii)

- Adjust the field name in pcp_watchdog_info. (Muhammad Usama)

- Enable parameters related to logging_collector by default in RPM packages. (Bo Peng)

## A.33.2. Bug fixes

- Fix issue that watchdog cluster keeps rejecting the restarted remote node which is lost previously. (Muhammad Usama)

  Issue report: [pgpool-general: 7896]

- Fix exit_handler in pgpool main process to avoid possible infinite wait. (Tatsuo Ishii)

- Fix pgpool child process to obtain process information. (Tatsuo Ishii)

- Fix a potential issue in shared memory allocation function. (Tatsuo Ishii)

- Fix bug with pg_enc and pg_md5 when using "-i" option. (bug 747)(Tatsuo Ishii)

- Fix not to include garbage in `%m` log_line_prefix. (Tatsuo Ishii)

- Fix main process exiting if a backend is failing or shutting down while performing finding primary. (Tatsuo Ishii)

- Fix segfaults in watchdog. (Muhammad Usama)

  Discussion: [pgpool-general: 8030]

- Fix issue that failover request is refused if backend node status managed in private_backend_status and the one in the share memory area do not agree. (Tatsuo Ishii)

  Discussion: [pgpool-hackers: 4127]

- Fixed follow_primary.sh.sample script to check the status of PostgreSQL using `pg_isready`. (Bo Peng)

## A.33.3. Documents

- Doc: move the example of "Pgpool-II on Kubernetes" to github repository. (Bo Peng)

- Doc: update configuration example. (Masaya Kawamoto)

- Doc: update the example output of pcp_watchdog_info. (Bo Peng)

- Doc: mention that escaping is required if you are providing the password as an argument to pg_enc and the password contains a "$" character. (Bo Peng)

## A.33.4. Regression Tests

- Enhance regression test 018.detach_primary to avoid the timeout error. (Tatsuo Ishii)

- Enhance regression test 074.bug700_memqcache_segfault to avoid the timeout error. (Tatsuo Ishii)

- Improve regression test to detect segmentation fault. (Bo Peng)

- Increase timeout for regression test 077.invalid_failover_node. (Tatsuo Ishii)

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