Re: How to dynamically remove a tasktracker?

Hi Harold, Apart from killing the TT process, you can also follow the below steps to remove a TT: 1. In mapred-site.xml, configure the "mapred.hosts.exclude" to have the full path to a file (say excludeTTfile) which will contain the list of TTs you want to remove. 2. Populate excludeTTfil

How to dynamically remove a tasktracker?

Hi All, How do I dynamically remove a tasktracker? Do I simply kill the tasktracker process, and the namenode will detect it? Or is there a graceful way of doing it? Thanks, Harold

Re: Configured & PathFilter

Kris Try use /test-batchEventLog/metrics /* Append asterisk. On Wed, Apr 14, 2010 at 7:26 AM, Kris Nuttycombe wrote: > On Wed, Apr 14, 2010 at 2:16 AM, Jeff Zhang wrote: > > Hi Kris, > > > > I am not sure the mechanism of sc

Re: Configured & PathFilter

On Wed, Apr 14, 2010 at 2:16 AM, Jeff Zhang wrote: > Hi Kris, > > I am not sure the mechanism of scala language. For the following lines of > code: > >  var conf: Configuration = _ >  lazy val basePath   = option(conf.get(BasePath)). > map(new Path(_)) >  lazy val eventType = option(conf.get(Event

Re: Configured & PathFilter

Hi Kris, I am not sure the mechanism of scala language. For the following lines of code: var conf: Configuration = _ lazy val basePath = option(conf.get(BasePath)). map(new Path(_)) lazy val eventType = option(conf.get(EventTypeName)).map(EventType(_)) lazy val start = option(conf.