Here is my SS: 259 71 2451 On May 26, 2012, at 8:53 AM, "M. C. Srivas" <mcsri...@gmail.com> wrote:
> > > On Fri, May 25, 2012 at 8:43 AM, Arun C Murthy <a...@hortonworks.com> wrote: > Srivas, > > On May 22, 2012, at 9:45 PM, M. C. Srivas wrote: >> >> 3. M5 has full HA for the Job-Tracker as well. > > Curious. Can you please share some information about what this means? > > The JT will be restarted (perhaps on another node if the node where it's > running has died). On recovery, JT will resume currently running jobs from > where they were, ie., they are not lost or abandoned like is the case today > with Apache Hadoop or CDH. > > > Will tasks continue to run if JT bounces? > > Yes. > > > Will jobs start from scratch? > > No. Works even across entire cluster reboots. As I said in my original > posting, > > "- If there is a complete cluster crash and reboot (eg, a full > power-failure of the entire cluster), M5 will recover in 5-10 minutes, and > submitted jobs will resume from where they were." > > > > thanks, > Arun > > -- > Arun C. Murthy > Hortonworks Inc. > http://hortonworks.com/ > > >
