Yuchen Liang

icon indicating a website link liangyc.me/about

icon company Carnegie Mellon University icon location Pittsburgh, PA icon location Intern @neondatabase | @cmu-db

Results 15 issues of Yuchen Liang

DO NOT MERGE: cherry pick https://github.com/neondatabase/neon/pull/8763 onto release branch for testing in pre-prod

1 comment

https://neondb.slack.com/archives/C06K38EB05D/p1724862763546569?thread_ts=1724751816.854819&cid=C06K38EB05D

feat(pageserver): newtype for dio-aligned buffer allocation

1 comment

## Problem We need to use aligned buffer to enable Direct IO. Currently there is no primitive for constructing such buffer. ## Summary of changes - Introduce `IoBufferMut`, new-type around...

[DNM] Testing Direct IO for read path

1 comment

Testing direct IO for https://github.com/neondatabase/neon/pull/9326

pageserver: use direct IO for delta and image layer reads

1 comment

Part of #8130 ## Problem Pageserver previously goes through the kernel page cache for all the IOs. The kernel page cache makes light-loaded pageserver have deceptive fast performance. Using direct...

c/storage/pageserver

pageserver: use double buffering in BufferedWriter

c/storage/pageserver