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neon/docs/pageserver-page-service.md
Heikki Linnakangas 0b14fdb078 Reorganize, expand, improve internal documentation 
Reorganize existing READMEs and other documentation files into mdbook
format. The resulting Table of Contents is a mix of placeholders for
docs that we should write, and documentation files that we already had,
dropped into the most appropriate place.

Update the Pageserver overview diagram. Add sections on thread
management and WAL redo processes.

Add all the RFCs to the mdbook Table of Content too.

Per github issue #1979
2022-07-18 17:39:12 +03:00

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Page Service

The Page Service listens for GetPage@LSN requests from the Compute Nodes, and responds with pages from the repository. On each GetPage@LSN request, it calls into the Repository function

A separate thread is spawned for each incoming connection to the page service. The page service uses the libpq protocol to communicate with the client. The client is a Compute Postgres instance.