hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Allen Wittenauer <awittena...@linkedin.com>
Subject Re: How often namenode dumps in-memory hdfs meta data to disk (dfs.name.dir)?
Date Fri, 25 Jun 2010 01:04:30 GMT

On Jun 24, 2010, at 6:02 PM, jiang licht wrote:

> Is it configurable?

It doesn't.

The only thing the namenode does is update the edits log, and that is continually rolling.

If you want it to dump a new fsimage, then you need to use the secondary namenode to perform
the merge.
View raw message