:original_name: mrs_02_9003.html

.. _mrs_02_9003:

Change History
==============

+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Release Date                      | What's New                                                                                                                                                                                                   |
+===================================+==============================================================================================================================================================================================================+
| 2022-9-29                         | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | -  Added MRS 1.9.2 and MRS 2.1.0 hybrid cluster components. For details, see :ref:`Creating Clusters <mrs_02_0101>`.                                                                                         |
|                                   | -  Add component lists for MRS 3.1.2-LTS.3 and 3.1.0-LTS.1. For details, see :ref:`Querying Cluster Details <mrs_02_0031>`.                                                                                  |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2022-07-05                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | -  Added MRS 3.1.2-LTS.3. For details, see :ref:`Creating Clusters <mrs_02_0101>` and :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`.                                                             |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2021-06-30                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | Added MRS 3.1.0-LTS.1. For details, see :ref:`Creating Clusters <mrs_02_0101>` and :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`.                                                                |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2020-10-19                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | -  Added the **cluster_master_secret** parameter is added in :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`.                                                                                      |
|                                   | -  Changed the **cluster_id** parameter as a mandatory parameter in :ref:`Querying the exe Object List of Jobs <mrs_02_0046>`.                                                                               |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2020-09-25                        | Added the following APIs:                                                                                                                                                                                    |
|                                   |                                                                                                                                                                                                              |
|                                   | :ref:`Creating Clusters <mrs_02_0101>`                                                                                                                                                                       |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2020-03-09                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | All components in MRS 2.1.0 are added. For details, see :ref:`Querying a Cluster List <mrs_02_0030>` and :ref:`Querying Cluster Details <mrs_02_0031>`.                                                      |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2020-02-22                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | -  Changed the **cluster_version** parameter to a mandatory parameter for creating a cluster. For details, see :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`.                                    |
|                                   | -  Added MRS 1.9.2 and MRS 2.1.0. For details, see :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`.                                                                                                |
|                                   | -  Added C4 and M4 ECS specifications. For details, see :ref:`ECS Specifications Used by MRS <mrs_01_9005>`.                                                                                                 |
|                                   | -  Added the V2 APIs. For details, see :ref:`Job Object APIs (V2) <mrs_02_0084>`.                                                                                                                            |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-12-06                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`                                                                                                                                                    |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-07-17                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | :ref:`Querying a Cluster List <mrs_02_0030>`                                                                                                                                                                 |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-07-03                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`                                                                                                                                                    |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-11-30                        | Accepted in OTC 3.2.                                                                                                                                                                                         |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-10-26                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | -  :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`: The request examples for enabling and disabling cluster HA have been added, and the description about KVM flavors has been supplemented.       |
|                                   | -  :ref:`Querying Cluster Details <mrs_02_0031>`: The description about the bootstrap action script parameter that needs to be entered for executing the **presto-install.sh** script has been supplemented. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-09-10                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`                                                                                                                                                    |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-08-30                        | Modified the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | -  :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`                                                                                                                                                 |
|                                   | -  :ref:`Resizing a Cluster <mrs_02_0029>`                                                                                                                                                                   |
|                                   | -  :ref:`Adding a Tag to a Specified Cluster <mrs_02_0071>`                                                                                                                                                  |
|                                   | -  :ref:`Deleting a Tag of a Specified Cluster <mrs_02_0072>`                                                                                                                                                |
|                                   | -  :ref:`Adding or Deleting Cluster Tags in Batches <mrs_02_0074>`                                                                                                                                           |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-05-29                        | -  Added the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   |    -  :ref:`MRS Manager API <mrs_02_1082>`                                                                                                                                                                   |
|                                   |                                                                                                                                                                                                              |
|                                   | -  Modified the following content:                                                                                                                                                                           |
|                                   |                                                                                                                                                                                                              |
|                                   |    -  :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`                                                                                                                                              |
|                                   |    -  :ref:`Querying a Cluster List <mrs_02_0030>`                                                                                                                                                           |
|                                   |    -  :ref:`Querying Cluster Details <mrs_02_0031>`                                                                                                                                                          |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-03-16                        | -  Added the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   |    :ref:`Querying a Host List <mrs_02_0057>`                                                                                                                                                                 |
|                                   |                                                                                                                                                                                                              |
|                                   | -  Modified the following content:                                                                                                                                                                           |
|                                   |                                                                                                                                                                                                              |
|                                   |    :ref:`Resizing a Cluster <mrs_02_0029>`                                                                                                                                                                   |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-11-08                        | -  Added the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   |    :ref:`Querying a Cluster List <mrs_02_0030>`                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   | -  Modified the following content:                                                                                                                                                                           |
|                                   |                                                                                                                                                                                                              |
|                                   |    -  :ref:`API Overview <mrs_02_0007>`                                                                                                                                                                      |
|                                   |    -  :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`                                                                                                                                              |
|                                   |    -  :ref:`Querying Cluster Details <mrs_02_0031>`                                                                                                                                                          |
|                                   |    -  :ref:`Adding a Job and Executing the Job <mrs_02_0040>`                                                                                                                                                |
|                                   |    -  :ref:`Querying the Job Object List <mrs_02_0044>`                                                                                                                                                      |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-06-09                        | -  Added the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   |    -  :ref:`Data Source APIs <mrs_02_0021>`                                                                                                                                                                  |
|                                   |    -  :ref:`Job Binary Object APIs <mrs_02_0033>`                                                                                                                                                            |
|                                   |    -  :ref:`Job Object APIs (V1, Not Recommended) <mrs_02_0039>`                                                                                                                                             |
|                                   |    -  :ref:`Job Execution Object APIs (V1, Not Recommended) <mrs_02_0049>`                                                                                                                                   |
|                                   |                                                                                                                                                                                                              |
|                                   | -  Modified the following content:                                                                                                                                                                           |
|                                   |                                                                                                                                                                                                              |
|                                   |    -  :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`                                                                                                                                              |
|                                   |    -  :ref:`Adding a Job and Executing the Job <mrs_02_0040>`                                                                                                                                                |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-04-06                        | -  Added the following content:                                                                                                                                                                              |
|                                   |                                                                                                                                                                                                              |
|                                   |    :ref:`Querying Cluster Details <mrs_02_0031>`                                                                                                                                                             |
|                                   |                                                                                                                                                                                                              |
|                                   | -  Modified the following content:                                                                                                                                                                           |
|                                   |                                                                                                                                                                                                              |
|                                   |    :ref:`Creating a Cluster and Running a Job <mrs_02_0028>`                                                                                                                                                 |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-02-20                        | This issue is the first official release.                                                                                                                                                                    |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+