Just do -javaagent:./profiler.jar? On Aug 3, 2012, at 9:32 AM, Stan Rosenberg wrote:
> Arun, > > I don't believe the symlink is of help. The symlink is created in the > task's current working directory (cwd), but I don't know what cwd is > when I launch with 'hadoop jar ...'. > > Thanks, > > stan > > On Fri, Aug 3, 2012 at 2:39 AM, Arun C Murthy <a...@hortonworks.com> wrote: >> Stan, >> >> You can ask TT to create a symlink to your jar shipped via DistCache: >> >> http://hadoop.apache.org/common/docs/r1.0.3/mapred_tutorial.html#DistributedCache >> >> That should give you what you want. >> >> hth, >> Arun >> >> On Jul 30, 2012, at 3:23 PM, Stan Rosenberg wrote: >> >> Hi, >> >> I am seeking a way to leverage hadoop's distributed cache in order to >> ship jars that are required to bootstrap a task's jvm, i.e., before a >> map/reduce task is launched. >> As a concrete example, let's say that I need to launch with >> '-javaagent:/path/profiler.jar'. In theory, the task tracker is >> responsible for downloading cached files onto its local filesystem. >> However, the absolute path to a given cached file is not known a >> priori; however, we need the path in order to configure '-javaagent'. >> >> Is this currently possible with the distributed cache? If not, is the >> use case appealing enough to open a jira ticket? >> >> Thanks, >> >> stan >> >> >> -- >> Arun C. Murthy >> Hortonworks Inc. >> http://hortonworks.com/ >> >> -- Arun C. Murthy Hortonworks Inc. http://hortonworks.com/
