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neon/pgxn/neon
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Em Sharnoff 1fe23fe8d2 compute/lfc: Add chunk size to neon_lfc_stats (#11100) 
This PR adds a new key to neon.neon_lfc_stats —
'file_cache_chunk_size_pages'. It just returns the value of
BLOCKS_PER_CHUNK from the LFC implementation.

The new value should (eventually) allow changing the chunk size without
breaking any places that rely on LFC stats values measured in number of
chunks.

See neondatabase/cloud#25170 for more.
2025-03-05 20:35:08 +00:00
..
bitmap.h
[compute/postgres] feature: PostgreSQL 17 (#8573)
2024-09-12 23:18:41 +01:00
control_plane_connector.c
fix(adapter): password not set in role drop (#10130)
2024-12-14 17:37:13 +00:00
control_plane_connector.h
fix -Wmissing-prototypes for neon extension (#7010)
2024-03-05 10:03:44 -05:00
extension_server.c
Add neon.extension_server_{connect,request}_timeout (#10801)
2025-02-17 15:40:43 +00:00
extension_server.h
fix -Wmissing-prototypes for neon extension (#7010)
2024-03-05 10:03:44 -05:00
file_cache.c
compute/lfc: Add chunk size to neon_lfc_stats (#11100)
2025-03-05 20:35:08 +00:00
hll.c
Fix out-of-boundaries access in addSHLL function (#10840)
2025-02-17 12:54:17 +00:00
hll.h
implement rolling hyper-log-log algorithm (#8068)
2024-07-04 22:03:58 +03:00
libpagestore.c
PS/Prefetch: Use a timeout for reading data from TCP (#10834)
2025-02-27 14:00:18 +00:00
libpqwalproposer.h
Introduce NeonWALReader downloading sk -> compute WAL on demand.
2023-12-26 14:12:53 +04:00
logical_replication_monitor.c
Improve comments and log messages in the logical replication monitor (#9974)
2024-12-13 18:10:42 +00:00
logical_replication_monitor.h
Move logical replication slot monitor
2024-10-25 08:41:44 -05:00
Makefile
Create the notion of unstable extensions
2024-10-28 17:47:15 -05:00
neon_perf_counters.c
Add more timing histogram and gauge metrics to the Neon extension (#9116)
2024-10-14 20:30:21 +02:00
neon_perf_counters.h
Add more timing histogram and gauge metrics to the Neon extension (#9116)
2024-10-14 20:30:21 +02:00
neon_pgversioncompat.c
Create the notion of unstable extensions
2024-10-28 17:47:15 -05:00
neon_pgversioncompat.h
Replace BUFFERTAGS_EQUAL compatibility macro with new-style function (#9294)
2024-10-07 19:49:27 +03:00
neon_utils.c
compute <-> sk protocol v3 (#10647)
2025-02-25 11:56:05 +00:00
neon_utils.h
compute <-> sk protocol v3 (#10647)
2025-02-25 11:56:05 +00:00
neon_walreader.c
Fix direct reading from WAL buffers. (#9639)
2024-11-07 11:29:52 +00:00
neon_walreader.h
On-demand WAL download for walsender (#6872)
2024-05-06 10:54:07 -07:00
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--1.3--1.4.sql
implement rolling hyper-log-log algorithm (#8068)
2024-07-04 22:03:58 +03:00
neon--1.4--1.3.sql
implement rolling hyper-log-log algorithm (#8068)
2024-07-04 22:03:58 +03:00
neon--1.4--1.5.sql
Add views for metrics about pageserver requests (#9008)
2024-09-23 21:28:50 +03:00
neon--1.5--1.4.sql
Add views for metrics about pageserver requests (#9008)
2024-09-23 21:28:50 +03:00
neon.c
PS/Prefetch: Use a timeout for reading data from TCP (#10834)
2025-02-27 14:00:18 +00:00
neon.control
Bump default neon extension version to 1.5 (#9188)
2024-09-30 09:20:52 +03:00
neon.h
PS/Prefetch: Use a timeout for reading data from TCP (#10834)
2025-02-27 14:00:18 +00:00
pagestore_client.h
PS/Prefetch: Use a timeout for reading data from TCP (#10834)
2025-02-27 14:00:18 +00:00
pagestore_smgr.c
Check response status in prefetch_lookup (#11080)
2025-03-05 10:03:09 +00:00
README.md
Add pgxn/neon/README.md
2023-11-23 18:53:03 +00:00
relsize_cache.c
Fix race condition in LRU list update in get_cached_relsize (#8807)
2024-08-22 23:53:37 +03:00
unstable_extensions.c
fix allow_unstable_extensions GUC - make it USERSET (#9563)
2024-10-29 14:25:23 +00:00
unstable_extensions.h
Create the notion of unstable extensions
2024-10-28 17:47:15 -05:00
walproposer_compat.c
compute <-> sk protocol v3 (#10647)
2025-02-25 11:56:05 +00:00
walproposer_pg.c
compute <-> sk protocol v3 (#10647)
2025-02-25 11:56:05 +00:00
walproposer.c
walproposer: basic infra to enable generations (#11002)
2025-03-03 13:20:20 +00:00
walproposer.h
walproposer: basic infra to enable generations (#11002)
2025-03-03 13:20:20 +00:00
walsender_hooks.c
neon walsender_hooks: take basebackup LSN directly. (#9263)
2024-10-04 14:56:15 +01:00
walsender_hooks.h
On-demand WAL download for walsender (#6872)
2024-05-06 10:54:07 -07:00

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.