Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
MapReduce >> mail # user >> How many ports and processes are open/created in MR?


Copy link to this message
-
Re: How many ports and processes are open/created in MR?

On Jun 23, 2010, at 3:13 PM, Pedro Costa wrote:
> 1 - Hadoop uses several ports to run. It exists ports for HDFS, for the MapReduce JvmTasks, etc. I don't know how I can identify all the ports that a MapReduce and HDFS uses. I'm running the wordcount example, and I would like to see what ports are open and what are their purpose. Where can I get this information?
>

netstat, because most ports are ephemeral.