Hadoop 2.7.7 Release Notes
These release notes include new developer and user-facing incompatibilities, features, and major improvements.
Changes since Hadoop 2.7.6
- HDFS-13602.
Major improvement reported by Erik Krogen and fixed by Chao Sun (ha , namenode)
Add checkOperation(WRITE) checks in FSNamesystem
- HDFS-13486.
Major bug reported by Wei-Chiu Chuang and fixed by Wei-Chiu Chuang
Backport HDFS-11817 (A faulty node can cause a lease leak and NPE on accessing data) to branch-2.7
- HDFS-12156.
Major bug reported by Akira Ajisaka and fixed by Akira Ajisaka (test)
TestFSImage fails without -Pnative
- HADOOP-15486.
Major improvement reported by Nanda kumar and fixed by Nanda kumar (net)
Make NetworkTopology#netLock fair
- HADOOP-15473.
Critical bug reported by Gabor Bota and fixed by Gabor Bota (kms)
Configure serialFilter in KeyProvider to avoid UnrecoverableKeyException caused by JDK-8189997
- HADOOP-14970.
Minor bug reported by Erik Krogen and fixed by Erik Krogen
MiniHadoopClusterManager doesn't respect lack of format option