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| author | Stefan Metzmacher <metze@samba.org> | 2023-02-24 15:39:35 +0100 |
|---|---|---|
| committer | Jule Anger <janger@samba.org> | 2023-03-01 10:16:41 +0000 |
| commit | bca78e31c696ffae0f71d88300c6a7b675c76498 (patch) | |
| tree | 0822650ed161bc8845ab0a21f2b2749ce457e09c | |
| parent | b829940535215f0608bc927829544cfa8a80e934 (diff) | |
| download | samba-bca78e31c696ffae0f71d88300c6a7b675c76498.tar.gz | |
WHATSNEW: SMB Server performance improvements
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(v4-18-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-18-test): Wed Mar 1 10:16:41 UTC 2023 on atb-devel-224
| -rw-r--r-- | WHATSNEW.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/WHATSNEW.txt b/WHATSNEW.txt index a035daeef79..94bb80c74e5 100644 --- a/WHATSNEW.txt +++ b/WHATSNEW.txt @@ -16,6 +16,19 @@ UPGRADING NEW FEATURES/CHANGES ==================== +SMB Server performance improvements +----------------------------------- + +The security improvements in recent releases +(4.13, 4.14, 4.15, 4.16), mainly as protection against symlink races, +caused performance regressions for metadata heavy workloads. + +While 4.17 already improved the situation quite a lot, +with 4.18 the locking overhead for contended path based operations +is reduced by an additional factor of ~ 3 compared to 4.17. +It means the throughput of open/close +operations reached the level of 4.12 again. + More succinct samba-tool error messages --------------------------------------- |