From 1191365294f40c35de452db6f2ebd8606a999324 Mon Sep 17 00:00:00 2001 From: Poornima G Date: Fri, 26 May 2017 16:01:43 +0530 Subject: doc: Update about negative lookup cache feature in 3.11.0 release notes Updates: #82 Change-Id: Ib3dcaf6c7e0d6b080ae42cbf07f3a06a321c2b09 Signed-off-by: Poornima G Reviewed-on: https://review.gluster.org/17398 Smoke: Gluster Build System Tested-by: Shyamsundar Ranganathan CentOS-regression: Gluster Build System NetBSD-regression: NetBSD Build System Reviewed-by: Shyamsundar Ranganathan --- doc/release-notes/3.11.0.md | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'doc') diff --git a/doc/release-notes/3.11.0.md b/doc/release-notes/3.11.0.md index cb19f989e36..07bc2e3ee21 100644 --- a/doc/release-notes/3.11.0.md +++ b/doc/release-notes/3.11.0.md @@ -75,10 +75,23 @@ get-state command doesn't provide information on non-local bricks. ### Ability to serve negative lookups from cache has been added *Notes for users:* +In this release, this feature is supported only for the SMB accesss. +Before creating / renaming any file, lookups (5-6 in SMB) are sent +to verify if the file already exists. By serving these lookup from the +cache when possible, increases the create / rename performance by multiple +folds in SMB access. +Execute the following commands to enable negative-lookup cache: +```bash +# gluster volume set features.cache-invalidation on +# gluster volume set features.cache-invalidation-timeout 600 +# gluster volume set nl-cache on +``` *Limitations:* +None *Known Issues:* +None ### New xlator to help developers detecting resource leaks has been added *Notes for users:* -- cgit