[dubbo] branch 2.7.5-release updated: polish 2.7.5 change notes

[li...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

liujun pushed a commit to branch 2.7.5-release
in repository https://gitbox.apache.org/repos/asf/dubbo.git


The following commit(s) were added to refs/heads/2.7.5-release by this push:
     new 97c82a2  polish 2.7.5 change notes
97c82a2 is described below

commit 97c82a20f194ac9134c4d0d5d17003542987337e
Author: ken.lj <ke...@gmail.com>
AuthorDate: Fri Dec 13 15:10:19 2019 +0800

    polish 2.7.5 change notes
---
 CHANGES.md | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/CHANGES.md b/CHANGES.md
index e29bd99..aeb112a 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -3,7 +3,6 @@
 ## 2.7.5
 
 ### Features
-
 * Support HTTP/2 through gRPC, offers all features supported by HTTP/2 and gRPC
     * Stream communication: client stream, server stream and bi-stream.
     * Reactive stream style RPC call.
@@ -14,23 +13,25 @@
     * Define service using IDL
     * Protobuf serialization
 * TLS for netty4 server
-* SPI for dynamically adding extra parameters into provider URL, especially env parameters.
-* [beta] Brand new Service Discovery mechanism: Service Reflection - instance (application) level service discovery.
-* [beta] Brand new API for bootstraping Dubbo projects
+* New SPI for dynamically adding extra parameters into provider URL, especially env parameters.
+* **[BETA]** Brand new Service Discovery mechanism: Service Reflection - instance (application) level service discovery.
+* **[BETA]** Brand new API for bootstraping Dubbo projects
 
-### Performance
-Performance improved by nearly 30% compared to v2.7.3
+### Performance Tuning
+* Overall performance improved by nearly 30% compared to v2.7.3 (by QPS in certain circumstances)
+* Improved consumer side thread model to avoid thread allocation and context switch, especially useful for services serving big traffic.
 
 ### Enhancement
-* Enhanced load balance strategy between multiple registries.
+* Load balance strategy among multiple registries:
     * Preferred
     * Same zone first
     * Weighted LB
     * The first one available
-* Extensible address notification callback listener
+* New callback SPI for receiving address change notifications
 * Refactoring of config module
 
 ### Bugfixes
+check 2.7.5 milestone for details.
 
 ## 2.7.4.1