What are uses of taskTracker and JobTracker services?

Hi, Can you please let me know what are tasks that the taskTracker and JobTracker performs? Thanks.

Re: What are uses of taskTracker and JobTracker services?

Thanks for reply. But we have different services for each of them, for example a service for NameNode and a Service for JobTracker, are they doing separate things each one? On Tue, Jun 29, 2010 at 10:20 PM, Allen Wittenauer awittena...@linkedin.com wrote: On Jun 29, 2010, at 8:07 AM, Sarah

Does hadoop need a zookeeper installation to work?

Hi, I am wondering whether hadoop depends on zookeeper or zookeeper need hadoop to work. When I download hadoop distribution from the website, does it have some zookeeper libraries included? thanks.

Re: Does hadoop need a zookeeper installation to work?

. Arun On Jun 28, 2010, at 7:20 AM, Sarah kho wrote: Hi, I am wondering whether hadoop depends on zookeeper or zookeeper need hadoop to work. When I download hadoop distribution from the website, does it have some zookeeper libraries included? thanks.