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Who has any documents that about PostgreSQL background processes?

Who has any documents that about PostgreSQL background processes?

I'd like to learn the detail about these background processes:

  • postgres: logger process
  • postgres: writer process
  • postgres: wal writer process
  • postgres: autovacuum launcher process
  • postgres: archiver process
  • postgres: stats collector pr开发者_开发百科ocess


A quick internet search turned up these documents, I find the first one very interesting:

  • http://raghavt.blogspot.com/2011/04/postgresql-90-architecture.html
  • http://cisc322.files.wordpress.com/2010/10/conceptual_architecture_of_postgresql.pdf
  • http://vibhork.blogspot.com/2011/04/postgresqlpostgres-plus-advanced-server.html
  • http://www.interdb.jp/pg/pgsql02.html
  • https://www.slideshare.net/EnterpriseDB/overviewutilityprocesses-finalaug222013


Have you looked into the documentation? In particular the parts about server administration and the internals.

There additionally are some resources in the wiki, and not a year passes by without one of the core developers going through one or more of the points you're wondering about at a PG Conference.

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