Help Center/ MapReduce Service/ User Guide/ MRS Cluster O&M/ MRS Cluster Patch Description/ MRS 2.0.1.2 Patch Description
Updated on 2024-09-23 GMT+08:00
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MRS 2.0.1.2 Patch Description

Basic Information

Table 1 Basic information

Patch Version

MRS 2.0.1.2

Release Date

2019-09-30

Resolved Issues

List of the resolved issues in MRS 2.0.1.2:

MRS Manager

The following issue has been solved: Scale-out fails occasionally due to timeout that occurs when ResourceManager executes refreshNodes.

List of the resolved issues in MRS 2.0.1.1:

MRS Manager

The following issue has been solved: OOM occurs on the executor of MRS Master nodes due to repeated node scale-in or scale-out.

MRS big data components

The following new function has been added: MRS Presto supports OBSFileSystem.

The following issues have been solved for MRS Presto: The jstack is frequently printed and log files are too large to scroll.

Compatibility with Other Patches

The MRS 2.0.1.2 patch package contains all content of the MRS 2.0.1.1 patch package.

Impact of Patch Installation

During the installation of MRS 2.0.1.2 patches, MRS Manager and Presto are restarted. During the restart, the services are temporarily unavailable.