See <https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/changes>
- Jenkins build became unstable: Hadoop-Hdfs-0.23-Bui... Apache Jenkins Server
- Hadoop-Hdfs-0.23-Build - Build # 628 - Still Un... Apache Jenkins Server
- Jenkins build is still unstable: Hadoop-Hdfs-0.... Apache Jenkins Server
- Jenkins build is back to stable : Hadoop-Hd... Apache Jenkins Server
