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From Jack Levin <magn...@gmail.com>
Subject Re: Question about dead datanode
Date Mon, 24 Feb 2014 06:14:00 GMT
I can submit Jira for this if you feel that's appropriate
On Feb 18, 2014 8:49 PM, "Stack" <stack@duboce.net> wrote:

> On Sat, Feb 15, 2014 at 8:01 PM, Jack Levin <magnito@gmail.com> wrote:
>
> > Looks like I patched it in DFSClient.java, here is the patch:
> > https://gist.github.com/anonymous/9028934
> >
> > ....
>
>
> > I moved 'deadNodes' list outside as global field that is accessible by
> > all running threads, so at any point datanode does go down, each
> > thread is basically informed that the datanode _is_ down.
> >
>
> We need to add something like this to current versions of DFSClient, a
> global status, so each stream does not have to discover bad DNs for itself.
> St.Ack
>

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