Agreed, it's been a maintenance burden, and no one using it or actively maintaining it (except for those of us working on other areas of the code who have to spend time maintaining it).
-Todd On Mon, Oct 15, 2012 at 12:12 PM, Eli Collins <e...@cloudera.com> wrote: > Hey gang, > > Is anyone using the BackupNode and/or CheckpointNode? I'm not aware > of anyone using them, and the only outstanding related jira is > HDFS-2064, which has been open for over a year and doesn't seem to be > making progress. For the past three years the code has only been > maintained as part of other changes and test failures, which has > frankly been a bit of a development tax. Back in 2008 in HADOOP-4539 > the goal for the BackupNode was to eventually become a StandbyNode, it > doesn't look like anyone is working on that. Users get confused as to > whether to use the 2NN or the CheckpointNode, and what the point of > the BackupNode is since it's not provide HA or evolved. Unless someone > wants to push on their evolution and actively maintain them I don't > think it makes sense to keep them in the tree. Thoughts? > > Thanks, > Eli > -- Todd Lipcon Software Engineer, Cloudera