Hadoop 2.7.6.200 - 2201 (EEP 8.1.0) Release Notes

The notes below relate to the HPE Ezmeral Data Fabric distribution of Apache Hadoop.

These release notes contain only HPE-specific information and are not necessarily cumulative in nature. For information about how to use the release notes, see Ecosystem Component Release Notes.

Version 2.7.6.200
Release Date January 2022
Version Interoperability See EEP Components and OS Support.
GitHub Source https://github.com/mapr/hadoop-common/
GitHub Release Tag 2.7.6.200-eep-810
Maven Artifacts https://repository.mapr.com/maven/
Package Names Navigate to https://package.ezmeral.hpe.com/releases/MEP/ and select your EEP and OS to view the list of package names.
Documentation

New in this Release

Hadoop 2.7.6.100 - 2110 introduces the following enhancements:
  • Added FIPS support.
  • Added sharding for RM volume across multiple volumes to support stability.

Fixes

This HPE release includes the following fixes on the base Apache release:
GitHub Commit Number Date (YYYY-MM-DD) HPE Fix Number and Description
974986fae21 2022-01-25 MAPRHADOOP-213: updated log4j to 1.3.1-mapr version
65cf470fefa 2022-01-21 MAPRYARN-349: verify ownership/permissions for cluster directory when RM/HS starts
e587b904ab1 2022-01-13 MAPRHADOOP-211: handle case when volume mapr.resourcemanager.volume is already mounted with incorrect mount point
7ac1f8da988 2021-12-14 MAPRYARN-348: Updated Netty4 to 4.1.71.Final version
41bd3d1a720 2021-12-09 MAPRHADOOP-209: Fixed backward compatibility for client
ce8692d77c4 2021-12-06 MAPRYARN-337 - Create Spark spill local volumes by default
0cc00d6dd33 2021-12-01 MAPRYARN-345: Added FIPS support to AWS client
513f2c49362 2021-11-24 MAPRYARN-312: fix MapRTicketLocalizer to be able to operate with nm-local-dirs as with list of directories
a48cf251a22 2021-11-18 MAPRYARN-342: Removed Netty3 dependency
d25811160d6 2021-11-18 Backport HADOOP-11245. Update NFS gateway to use Netty4

ed9b5fa1f04

2b0e116df0b

 2021-11-18 Backport HDFS-5570. Deprecate hftp / hsftp and replace them with webhdfs / swebhdfs. Contributed by Haohui Mai
c6245b1186e 2021-11-18 MAPRYARN-343: updated gson to 2.8.9 version
7c9a5632a37 2021-11-18 MAPRHADOOP-207: Jetty updated to 9.4.44.v20210927 version
330748ae5f0 2021-11-02 Backport YARN-4925. ContainerRequest in AMRMClient, application should be able to specify nodes/racks together with nodeLabelExpression. Contributed by Bibin A Chundatt
ddad84644f1 2021-10-25 MAPRYARN-333: Fixed logging ContainerLocalizer to local file system while yarn.use-central-logging-for-mapreduce-only is enabled

336907aa52c

a6d6f29f6c1

0e5d6028056

 2021-10-22 MAPRYARN-326: Added SCRAM-SASL to Hadoop
782d4b83149 2021-10-13 MAPRYARN-317: add ability to enable case in-sensitive groups/usernames in fair-scheduler file
59737fbb1dd 2021-10-04 Backport YARN-7157. Add admin configuration to filter per-user's apps in secure cluster. Contributed by Sunil G.
d1c8ea0dd4a 2021-09-03 MAPRYARN-296: YARN RM UI or commands do not show allocated containers for finished applications
1579432cb0d 2021-09-03 Backport YARN-4417. Make RM and Timeline-server REST APIs more consistent. Contributed by Wangda Tan
db2081bd96d 2021-09-03 Backport YARN-5440. Use AHSClient in YarnClient when TimelineServer is running (Xuan Gong via gtcarrera9)
078ab8abb3f 2021-09-03 Backport YARN-5767. Fix the order that resources are cleaned up from the local Public/Private caches. Contributed by Chris Trezzo
085526639b5 2021-08-20 MAPRHADOOP-195: Create symlinks to verify script for Hadoop services
56a48da51ec 2021-08-17 MAPRYARN-274: Shard RM volume across multiple volumes to support scalability

f45e2898856

42a6a35138c

 2021-08-12 MAPRHADOOP-187: Add property to preserve link for "hadoop cp" and distCp operations

07887e3f7c5

8c752b00fcc

 2021-07-21 MAPRHADOOP-185: Use alternate java.security for yarn scripts

Known Issues and Limitations

  • None.

Resolved Issues

  • None.