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Arthur Petukhovsky a092127b17 Fix truncateLsn initialization (#6396) 
In
7f828890cf
we changed the logic for persisting control_files. Previously it was
updated if `peer_horizon_lsn` jumped more than one segment, which made
`peer_horizon_lsn` initialized on disk as soon as safekeeper has
received a first `AppendRequest`.

This caused an issue with `truncateLsn`, which now can be zero
sometimes. This PR fixes it, and now `truncateLsn/peer_horizon_lsn` can
never be zero once we know `timeline_start_lsn`.

Closes https://github.com/neondatabase/neon/issues/6248
2024-01-18 18:55:24 +00:00
..
control_plane_connector.c
Clean up #includes
2023-12-18 21:05:29 +02:00
control_plane_connector.h
Add connector extension to send Role/Database updates to console (#3891)
2023-05-25 12:36:57 +03:00
extension_server.c
Clean up #includes
2023-12-18 21:05:29 +02:00
file_cache.c
Use [NEON_SMGR] tag for all messages in neon extension (#6313)
2024-01-18 17:08:34 +02:00
libpagestore.c
Fix minimum backoff to 1ms
2024-01-03 21:09:19 -08:00
libpqwalproposer.h
Introduce NeonWALReader downloading sk -> compute WAL on demand.
2023-12-26 14:12:53 +04:00
Makefile
Introduce NeonWALReader downloading sk -> compute WAL on demand.
2023-12-26 14:12:53 +04:00
neon_pgversioncompat.h
Fix/edit pgindent confusing places in neon.
2023-12-08 14:03:13 +04:00
neon_utils.c
Clean up #includes
2023-12-18 21:05:29 +02:00
neon_utils.h
Clean up #includes
2023-12-18 21:05:29 +02:00
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.c
Fix/edit pgindent confusing places in neon.
2023-12-08 14:03:13 +04:00
neon.control
Make neon extension relocatable to allow SET SCHEMA (#5942)
2023-11-27 21:45:41 +00:00
neon.h
Mark some variables 'static'
2023-12-18 21:05:24 +02:00
pagestore_client.h
Remove declarations of non-existent global variables and functions
2023-12-18 21:05:31 +02:00
pagestore_smgr.c
Use [NEON_SMGR] tag for all messages in neon extension (#6313)
2024-01-18 17:08:34 +02:00
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 second check for max_slot_wal_keep_size download size.
2024-01-03 13:13:32 +04:00
walproposer.c
Fix truncateLsn initialization (#6396)
2024-01-18 18:55:24 +00:00
walproposer.h
Add [WP] prefix to all walproposer logging.
2024-01-03 11:10:27 +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.