[ANNOUNCE] Apache Hadoop 3.1.2 release

[Wangda Tan <wh...@gmail.com>]

It gives us great pleasure to announce that the Apache Hadoop community has
voted to release Apache Hadoop 3.1.2.

IMPORTANT NOTES

3.1.2 is the second stable release of 3.1 line which is considered to be
production-ready.

Hadoop 3.1.2 brings a number of enhancements.

The Hadoop community fixed 325 JIRAs [1] in total as part of the 3.1.2
release. Of these fixes:

Apache Hadoop 3.1.2 contains a number of significant features and
enhancements. A few of them are noted below.

- Nvidia-docker-plugin v2 support for GPU support on YARN.
- YARN service upgrade improvements and bug fixes.
- YARN UIv2 improvements and bug fixes.
- AliyunOSS related improvements and bug fixes.
- Docker on YARN support related improvements and bug fixes.

Please see the Hadoop 3.1.2 CHANGES for the detailed list of issues
resolved. The release news is posted on the Apache Hadoop website too, you
can go to the downloads section.

Many thanks to everyone who contributed to the release, and everyone in the
Apache Hadoop community! The release is a result of direct and indirect
efforts from many contributors, listed below are the those who contributed
directly by submitting patches and/or reporting issues. (148 contributors,
Sorted by ID)

BilwaST, Charo Zhang, GeLiXin, Harsha1206, Huachao, Jim_Brennan, LiJinglun,
Naganarasimha, OrDTesters, RANith, Rakesh_Shah, Ray Burgemeestre, Sen Zhao,
SoumyaPN, SouryakantaDwivedy, Tao Yang, Zian Chen, abmodi, adam.antal,
ajayydv, ajisakaa, akhilpb, akhilsnaik, amihalyi, arpitagarwal, aw,
ayushtkn, banditka, belugabehr, benlau, bibinchundatt, billie.rinaldi,
boky01, bolke, borisvu, botong, brahmareddy, briandburton, bsteinbach,
candychencan, ccondit-target, charanh, cheersyang, cltlfcjin, collinma,
crh, csingh, csun, daisuke.kobayashi, daryn, dibyendu_hadoop,
dineshchitlangia, ebadger, eepayne, elgoiri, erwaman, eyang, fengchuang,
ferhui, fly_in_gis, gabor.bota, gezapeti, gsaha, haibochen, hexiaoqiao,
hfyang20071, hgadre, jeagles, jhung, jiangjianfei, jianliang.wu,
jira.shegalov, jiwq, jlowe, jojochuang, jonBoone, kanwaljeets, karams,
kennethlnnn, kgyrtkirk, kihwal, knanasi, kshukla, laszlok, leftnoteasy,
leiqiang, liaoyuxiangqin, linyiqun, ljain, lukmajercak, manirajv06@gmail.com,
masatana, nandakumar131, oliverhuhuhu@gmail.com, oshevchenko, pbacsko,
peruguusha, photogamrun, pj.fanning, prabham, pradeepambati, pranay_singh,
revans2, rkanter, rohithsharma, shanekumpf@gmail.com, shubham.dewan,
shuzirra, shv, simonprewo, sinago, smeng, snemeth, sodonnell,
sreenivasulureddy, ssathish@hortonworks.com, ssulav, stevel@apache.org,
study, suma.shivaprasad, sunilg, surendrasingh, tangzhankun, tarunparimi,
tasanuma0829, templedf, thinktaocs, tlipcon, tmarquardt, trjianjianjiao,
uranus, varun_saxena, vinayrpet, vrushalic, wilfreds,
write2kishore@gmail.com, wujinhu, xiaochen, xiaoheipangzi, xkrogen,
yangjiandan, yeshavora, yiran, yoelee, yuzhihong@gmail.com, zichensun,
zvenczel

Wangda Tan and Sunil Govind

[1] JIRA query: project in (YARN, HADOOP, MAPREDUCE, HDFS) AND resolution =
Fixed AND fixVersion = 3.1.2 ORDER BY key ASC, updated ASC, created DESC,
priority DESC