On 11/1/09 10:11 PM, "V Satish Kumar" <[email protected]> wrote:
> I have noticed that the dfs health dashboard(Running on port 50070)
> takes a long time to refresh the number of live nodes and dead nodes. Is
> there a config parameter in hadoop that can be changed to make the
> dashboard shows these changes more quickly?
What do you mean by "long time"? Hours? Days?
Keep in mind that you don't want a failure to be "instantaneous" because
that means every time there is even a minor, temporary blip the namenode and
the network will be busy replicating blocks that are just going to re-appear
in a minute or so anyway.
