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Konstantin Knizhnik 35f4c04c9b Remove Get/SetZenithCurrentClusterSize from Postgres core (#7196) 
## Problem

See https://neondb.slack.com/archives/C04DGM6SMTM/p1711003752072899

## Summary of changes

Move keeping of cluster size to neon extension

---------

Co-authored-by: Konstantin Knizhnik <knizhnik@neon.tech>
2024-03-22 13:14:31 -04:00
..
control_plane_connector.c
fix -Wmissing-prototypes for neon extension (#7010)
2024-03-05 10:03:44 -05:00
control_plane_connector.h
fix -Wmissing-prototypes for neon extension (#7010)
2024-03-05 10:03:44 -05:00
extension_server.c
fix: warnings when compiling neon extensions (#7053)
2024-03-11 17:49:58 +00:00
extension_server.h
fix -Wmissing-prototypes for neon extension (#7010)
2024-03-05 10:03:44 -05:00
file_cache.c
Provide appoximation of working set using hyper-log-log algorithm in LFC (#6935)
2024-02-29 15:54:58 +02:00
libpagestore.c
Don't return from inside PG_TRY (#7095)
2024-03-11 18:36:39 +00:00
libpqwalproposer.h
Introduce NeonWALReader downloading sk -> compute WAL on demand.
2023-12-26 14:12:53 +04:00
Makefile
Add downgrade scripts for neon extension. (#7065)
2024-03-08 20:42:35 +00:00
neon_pgversioncompat.h
Fix/edit pgindent confusing places in neon.
2023-12-08 14:03:13 +04:00
neon_utils.c
fix -Wmissing-prototypes for neon extension (#7010)
2024-03-05 10:03:44 -05:00
neon_utils.h
fix -Wmissing-prototypes for neon extension (#7010)
2024-03-05 10:03:44 -05:00
neon_walreader.c
Don't re-add neon_walreader socket to waiteventset if possible.
2023-12-26 14:12:53 +04:00
neon_walreader.h
Don't re-add neon_walreader socket to waiteventset if possible.
2023-12-26 14:12:53 +04:00
neon--1.0--1.1.sql
LFC fixes + statistics (#5727)
2023-11-23 08:59:19 +02:00
neon--1.0.sql
Yet another port of local file system cache (#2622)
2022-12-27 14:42:51 +02:00
neon--1.1--1.0.sql
Add downgrade scripts for neon extension. (#7065)
2024-03-08 20:42:35 +00:00
neon--1.1--1.2.sql
externalize statistics on LFC cache usage (#6906)
2024-02-26 16:06:00 +00:00
neon--1.2--1.1.sql
Add downgrade scripts for neon extension. (#7065)
2024-03-08 20:42:35 +00:00
neon--1.2--1.3.sql
Provide appoximation of working set using hyper-log-log algorithm in LFC (#6935)
2024-02-29 15:54:58 +02:00
neon--1.3--1.2.sql
Add downgrade scripts for neon extension. (#7065)
2024-03-08 20:42:35 +00:00
neon.c
Remove Get/SetZenithCurrentClusterSize from Postgres core (#7196)
2024-03-22 13:14:31 -04:00
neon.control
Provide appoximation of working set using hyper-log-log algorithm in LFC (#6935)
2024-02-29 15:54:58 +02:00
neon.h
Remove Get/SetZenithCurrentClusterSize from Postgres core (#7196)
2024-03-22 13:14:31 -04:00
pagestore_client.h
Download SLRU segments on demand (#6151)
2024-01-31 21:39:18 +02:00
pagestore_smgr.c
Remove Get/SetZenithCurrentClusterSize from Postgres core (#7196)
2024-03-22 13:14:31 -04:00
README.md
Add pgxn/neon/README.md
2023-11-23 18:53:03 +00:00
relsize_cache.c
Relsize hash lru eviction (#6353)
2024-01-17 20:34:30 +02:00
walproposer_compat.c
Clean up #includes
2023-12-18 21:05:29 +02:00
walproposer_pg.c
Remove Get/SetZenithCurrentClusterSize from Postgres core (#7196)
2024-03-22 13:14:31 -04:00
walproposer.c
Support backpressure for sharding (#7100)
2024-03-18 21:54:44 +00:00
walproposer.h
Remove Get/SetZenithCurrentClusterSize from Postgres core (#7196)
2024-03-22 13:14:31 -04:00

README.md

neon extension consists of several parts:

shared preload library neon.so

  • implements storage manager API and network communications with remote page server.

  • walproposer: implements broadcast protocol between postgres and WAL safekeepers.

  • control plane connector: Captures updates to roles/databases using ProcessUtility_hook and sends them to the control ProcessUtility_hook.

  • remote extension server: Request compute_ctl to download extension files.

  • file_cache: Local file cache is used to temporary store relations pages in local file system for better performance.

  • relsize_cache: Relation size cache for better neon performance.

SQL functions in neon--*.sql

Utility functions to expose neon specific information to user and metrics collection. This extension is created in all databases in the cluster by default.