[dolphinscheduler-website] branch master updated: DS 2.0 alpha release(En) (#520)

Wed, 17 Nov 2021 02:08:26 -0800 

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     new ddafa72  DS 2.0 alpha release(En) (#520)
ddafa72 is described below

commit ddafa72863761afaca1d1d9b2513d49d7774dadc
Author: debrachena <[email protected]>
AuthorDate: Wed Nov 17 18:08:12 2021 +0800

    DS 2.0 alpha release(En) (#520)
    
    * Create DS-2.0-alpha-release.md
    
     社区小伙伴们，好消息！在经过团队和社区贡献者两年多的共同努力之下，我们宣布 Apache DolphinScheduler 2.0 
将很快与大家见面。2.0 版本即将有多项大家期待已久的重大更新，在 DolphinScheduler 的发展中再立里程碑。但为了给用户带来更好的体验，社区决定 
alpha 版本先行，将用户的反馈和建议融汇进正式版本之中。
    
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    * Apache DolphinScheduler 2.0 alpha Release
    
    Hello community, good news! After nearly 10 months of joint efforts by more 
than 100 community contributors, we are happy to announce the release of Apache 
DolphinScheduler 2.0 alpha. This is the first major version of DolphinScheduler 
since it entered Apache.
    
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---
 blog/en-us/DS-2.0-alpha-release(En).md | 80 ++++++++++++++++++++++++++++++++++
 site_config/blog.js                    |  9 +++-
 2 files changed, 88 insertions(+), 1 deletion(-)

diff --git a/blog/en-us/DS-2.0-alpha-release(En).md 
b/blog/en-us/DS-2.0-alpha-release(En).md
new file mode 100644
index 0000000..e8e0a8a
--- /dev/null
+++ b/blog/en-us/DS-2.0-alpha-release(En).md
@@ -0,0 +1,80 @@
+# Refactoring, Plug-in, Performance Improves By 20 times, Apache 
DolphinScheduler 2.0 alpha Release Highlights Check!
+
+<div align='center'><img 
src="https://imgpp.com/images/2021/11/16/a920be6733a3d99af38d1cdebfcbb3ff.md.png";></div>
+
+Hello community, good news! After nearly 10 months of joint efforts by more 
than 100 community contributors, we are happy to announce the release of Apache 
DolphinScheduler 2.0 alpha. This is the first major version of DolphinScheduler 
since it entered Apache. It has undergone a number of key updates and 
optimizations, which means a milestone in the development of DolphinScheduler.
+DolphinScheduler 2.0 alpha mainly refactors the implementation of Master, 
greatly optimizes the metadata structure and processing flow, adds SPI plug-in 
capabilities, and improves performance by 20 times. At the same time, the new 
version has designed a brand new UI interface to bring a better user 
experience. In addition, 2.0 alpha has newly added and optimized some features 
that are eagerly demanded in the community, such as parameter transfer, version 
control, import and export functions.
+Note: The current alpha version does not support automatic upgrades, and we 
will support this feature in the next version.
+
+2.0 alpha download link: 
https://dolphinscheduler.apache.org/en-us/download/download.html
+
+## Optimize the Kernel and Increase Performance By 20 Times
+
+Compared with DolphinScheduler 1.3.8, under the same hardware configuration (3 
sets of 8-core 16G), 2.0 alpha throughput performance is increased by 20 times, 
which is mainly due to the reconstruction of the Master, the optimization of 
master execution process and the workflow processing process, etc. ,including:
+
+- Refactor the execution process of the Master, change the previous status 
polling monitoring to an event notification mechanism, which greatly reduces 
the pressure of the database polling;
+Remove the global lock, increase the fragmentation processing mechanism of the 
Master, change the sequential read and write commands to parallel processing, 
and enhance the horizontal expansion ability of the Master;
+
+- Optimize the workflow processing process, reduce the use of thread pool, and 
greatly increase the number of workflows processed by a single Master;
+Increase the caching mechanism to greatly reduce the number of database 
operations;
+
+- Optimize the database connection mode, which immensely reduces the 
time-consuming of database operation;
+
+- Simplify the processing flow and reduce unnecessary time-consuming 
operations during the processing.
+
+## UI Components Optimization Brings Brand New UI Interface
+
+<div align='center'><img 
src="https://imgpp.com/images/2021/11/16/4e4024cbddbe3113f730c5e67f083c4f.md.png";></div>
+
+<div align='center'><img 
src="https://imgpp.com/images/2021/11/16/75e002b21d827aee9aeaa3922c20c13f.md.png";></div>
+
+UI interface comparison: 1.3.9 (top) VS. 2.0 alpha (bottom)
+
+
+>
+
+2.0 UI mainly optimized by:
+
+- Optimize the display of components: the interface is more concise, and the 
workflow process display is clearer;
+
+- Highlight the key content: click the task box can display task details;
+
+- Enhanced recognizability: The tool bar on the left is marked with names to 
make the tools easier to identify and easy to operate;
+
+- Adjust the order of the components: adjust the order of the components to be 
more in line with user habits.
+
+In addition to changes in performance and UI, DolphinScheduler has also 
undergone more than 20 new features and bug fixes.
+
+## List of New Features
+
+- Task result transfer function
+- Added Switch task and Pigeon task components
+- Added environmental management function
+- Added batch import , export and batch move functions
+- New registration center plug-in function
+- New task plugin function
+
+## Optimizations
+- Optimize the alarm group function
+- Optimize RestApi
+- Optimize workflow version management
+- Optimize import and export
+- Optimize worker group management function
+- Optimize the install.sh installation script to simplify the configuration 
process
+## Bug fix
+- [#6550]The list of environments in the DAG task pop-up window is not updated
+- [#6506]Fix install.sh for DS 2.0 and add comment to install_config.conf
+- [#6497]Shell task can not use user defined environment correctly
+- [#6478]Missing history data in complement data mode
+- [#6352]override the old process definition when I use the copy workflow 
feature
+- [#6342]Task instance page date backfill bug
+- [#5701]When deleting a user, the accessToken associated with the user should 
also be deleted
+- [#4809]cannot get application status when kerberos authentication is enabled
+- [#4450]Hive/Spark data sources do not support multi-tenancy when Kerberos 
authentication is enabled bug
+## Thanks to Contributors
+The release of DolphinScheduler 2.0 alpha embodies the wisdom and strength of 
the community contributors. Their active participation and great enthusiasm 
open the DolphinScheduler 2.0 era!
+Thanks so much for the participation of 100+ contributors (GitHub ID), and we 
are looking forward to more and more open sourcing enthusiasts joining the 
DolphinScheduler community co-construction, to contribute yourself to building 
a more usable big data workflow scheduling platform!
+
+<div align='center'><img 
src="https://imgpp.com/images/2021/11/16/8926d45ead1f735e8cfca0e8142b315f.md.png";></div>
+
+2.0 List of alpha contributors
diff --git a/site_config/blog.js b/site_config/blog.js
index 3702a61..cd983a8 100644
--- a/site_config/blog.js
+++ b/site_config/blog.js
@@ -3,7 +3,14 @@ export default {
     barText: 'Blog',
     postsTitle: 'All posts',
     list: [
-          {
+      {
+        title: 'DS-2.0-alpha-release(En)',
+        author: 'Debbra Chen',
+        dateStr: '2021-10-29',
+        desc: 'DolphinScheduler 2.0 alpha release',
+        link: '/en-us/blog/DS-2.0-alpha-release(En).html',
+      },     
+      {
         title: 'DolphinScheduler Vulnerability Explanation',
         author: 'Debar Chen',
         dateStr: '2021-10-26',

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