Help Center > > User Guide> Managing an Existing Cluster> MRS Patch Description> MRS Patch Description

MRS Patch Description

Updated at: Mar 25, 2021 GMT+08:00

Basic Information

Table 1 Basic information

Patch Version


Release Date


Resolved Issues

MRS Manager

The following issue has been solved: Out of memory (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


Impact of Patch Installation

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

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