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


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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.
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB