hadoop-general mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Eli Collins <...@cloudera.com>
Subject Re: Adding hard-disks to an existing HDFS cluster
Date Tue, 02 Mar 2010 00:29:28 GMT
>> There's work on trunk to add a backup name node which gets a
>> stream of edits from the NN so it has an update copy of the metadata.
> Ah; I think this is alluded to in the conf file, right?

It's  dfs.namenode.backup.* in conf files but you probably haven't
bumped into them unless you're using trunk, they're not in 20.

> Ah; I'd discounted it, because the hadoop ecosystem seems to be evolving so
> fast, it seemed better to focus on online and recently-updated info.
> Maybe it's not quite that divergent yet. :)

The user-facing stuff and discussion are still very pertinent.


View raw message