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Information about the upcoming mainline releases based on the information from the hadoop mailing lists.

  • Feature freeze date:  all features should be merged
  • Code freeze date - blockers/critical only, no more improvements and non blocker/critical bug-fixe

Next Releases

Version 3.1

Feature freeze dateJan 30, 2018
Code freeze dateFeb 08, 2018
Planned release dateFeb 28, 2018
Release Manager:Wangda Tan
Branchtrunk

Planned features:

YARN features
 JIRASummaryComponentFeature OwnerCommentsStatus
1.

YARN-5079,

YARN-4793,

YARN-4757,

YARN-6419

YARN native servicesYARNJian He Merged
2.YARN-5734Dynamic scheduler queue configurationYARNJonathan / XuanAlso 2.9Merged
3.YARN-5881

Add absolute resource configuration to CapacityScheduler

YARNSunil G Merged
4.YARN-5673

Container-executor rewrite for better security,

extensibility and portability

YARNVarun V Tentative
5.YARN-6223GPU IsolationYARNWangda Merged
6.YARN-5972Support Pausing/Freezing of opportunistic containersYARNArun Suresh Tentative
7.YARN-3926Resource Profile and multiple resource typesYARNVarun V / SunilMaybe 3.0Merged
8.YARN-1011Resource overcommittmentYARNHaibo / Karthik KUnder discussionTentative
9.YARN-6592Support new SchedulingRequest and anti-affinity placement requestYARNArun Suresh / Kostas / WangdaTentativeClose to finish
10.
YARN-7117
Capacity Scheduler: Support Auto Creation of Leaf Queues While Doing Queue MappingYARNSuma Merged
11.YARN-5983FPGA support   Close to finish
HDFS Features: 
 JIRASummaryComponentFeature OwnerComments
1.

HDFS-10285

HDFS Storage Policy SatisfierHDFSUmaClose to finish
2.HDFS-9806HDFS tiered storageHDFSChris DouglasMerged
3.HDFS-7240Ozone: Object store for HDFSHDFSAnuTentative
Common Features: 
 JIRASummaryComponentCommentsComments
1.

HADOOP-13786

Add S3Guard committer for zero-rename commits to

S3 endpoints

HDFSSteve LoughranMerged


Old releases

Information about old releases only for the records here. For the final features included in a given release please check the official release notes.

Version 2.9

Feature freeze date6th October 2017 20th October 2017
Code freeze date20th October 2017 27th October 2017
Planned release date3rd November 2017 17th November 2017
Release Manager:Subru Krishnan, Arun Suresh
Tracking PageHadoop 2.9 Release
Branchbranch-2
Planned features:

 

 JIRASummaryComponentFeature OwnerProduction Deployment Sponsor(*)Status
1.YARN-2928 / YARN-5355ATS v2YARNVrushali / VarunJoep (Twitter)Merged in branch-2
2.YARN-2877 / YARN-5220Opportunistic ContainersYARNKonstantinos / ArunRoni (Microsoft)Merged in branch-2
3.YARN-5085 Container UpdateYARNArun / WangdaRoni / Sarvesh (Microsoft)Merged in branch-2
4.YARN-2915Yarn FederationYARNSubru / CarloSarvesh (Microsoft)Merged in branch-2
5.YARN-5139Global Scheduling (Capacity Scheduler)YARNWangda Merged in branch-2
6.YARN-3368YARN Web UI v2YARNSunil / WangdaJoep (Twitter)Merged in branch-2
7.YARN-5734API based (Capacity) Scheduler configurationYARNJonathan / XuanJonathan (LinkedIn)Merged in branch-2
8.YARN-4726Allocation reuse for container upgradesYARNArun / JianSarvesh (Microsoft)Merged in branch-2
9.HDFS-10467HDFS Router based federationHDFSInigo / ChrisInigo (Microsoft)Merged in branch-2

(*) Production Deployment Sponsor: "We will favor inclusion of a feature in the 2.9.0 release if it is associated with an immediate production deployment requirement. Other cases: We would recommend moving it to the next major release."

Version 3.0

Feature freeze dateSep 15, 2017
Code freeze date 
Planned release date2017-11-01
Release Manager:Andrew Wang
Tracking pageHadoop 3.0.0 release
Branchbranch-3.0

Planned features:

  JIRASummaryComponentFeature OwnerStatus
1.

HADOOP-11656

 

Classpath isolationHADOOP Merged
2.HADOOP-13345 S3GuardHADOOP Merged
3.HADOOP-9902 Shell script rewriteHADOOP Merged
4.HADOOP-13578 Add Codec for ZStandard CompressionHADOOP Merged
5.HADOOP-10950,MAPREDUCE-5785 Reworked daemon and task heap managementHADOOP, MAPREDUCE Merged
6.MAPREDUCE-2841 MapReduce task-level native optimizationMAPREDUCE Merged
7.HADOOP-11804 Shaded client jarsHADOOP Merged
8.YARN-2915 Yarn FederationYARN Merged
9.YARN-5520 Support for Opportunistic Containers and Distributed Scheduling.YARN Merged
10.YARN-5355 TimelineService v2 alpha 2YARN Merged
12.YARN-5734 API based scheduler configurationYARN Merged
12.

YARN-5079,YARN-4793,YARN-4757,YARN-6419

 Yarn native servicesYARN PENDING
13.HADOOP-12756 Support for Microsoft Azure Data Lake and Aliyun Object Storage System filesystem connectorsHADOOP Merged
14.HDFS-7285 Support for Erasure Codes in HDFSHDFS Merged
15.HDFS-5570  Removal of hftp in favor of webhdfsHDFS Merged
16.HDFS-6440 Support for more than two standby NamenodesHDFS Merged
17.HDFS-1312 Intra-datanode balancerHDFS Merged
18.HDFS-9427 Move default ports out of ephemeral rangeHDFS Merged
19.HDFS-10467 HDFS Router based federationHDFSInigo / ChrisMerged
       
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