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MapReduce, mail # user - dfs.namenode.edits.dir and dfs.namenode.shared.edits.dir

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dfs.namenode.edits.dir and dfs.namenode.shared.edits.dir
Bryan Beaudreault 2013-09-16, 21:13
I am running CDH4.2.

I've noticed that my NameNodes are logging edits both locally and to the
journalnodes.  I took a look at the code, and this doesn't seem to be
required -- and also, it's the whole point of QJM right?

However, due to the following, we are logging both locally and to the


Two questions:

1) Is this intended, or should I file a JIRA?
2) Is it indeed safe/recommended to set dfs.namenode.edits.dir to empty, so
that we only write to the quorum?