From b927e898e07dc8f79b077d2c5b50a438bc1697be Mon Sep 17 00:00:00 2001 From: adilger Date: Sat, 21 Apr 2007 13:36:49 +0000 Subject: [PATCH] Branch HEAD Add ChangeLog entries. b=9332 b=10088 --- lustre/ChangeLog | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/lustre/ChangeLog b/lustre/ChangeLog index e7daf3b..acb6f56 100644 --- a/lustre/ChangeLog +++ b/lustre/ChangeLog @@ -141,6 +141,20 @@ Details : Changes the blocksize for regular files to be 2x RPC size, and not depend on stripe size. Severity : enhancement +Bugzilla : 10088 +Description: fine-grained SMP locking inside DLM +Details : Improve DLM performance on SMP systems by removing the single + per-namespace lock and replace it with per-resource locks. + +Severity : enhancement +Bugzilla : 9332 +Description: don't hold multiple extent locks at one time +Details : To avoid client eviction during large writes, locks are not + held on multiple stripes at one time or for very large writes. + Otherwise, clients can block waiting for a lock on a failed OST + while holding locks on other OSTs and be evicted. + +Severity : enhancement Bugzilla : 9293 Description: Multiple MD RPCs in flight. Details : Further unserialise some read-only MDT RPCs - learn about intents. -- 1.8.3.1