yes you are right Andy , i want to know is there is any hadoop library api which can trace name node or datnode ?
Andy Li-3 wrote: > > That's relying on Java Virtual Machine process status tool, similar to 'ps > aux|grep java' on a Linux? > > I think the question is whether there is any API from Hadoop library which > can monitor the namenode > through a Java API without relying 3rd party utility tool. Am I right? > > -Andy > > On Tue, Mar 25, 2008 at 6:26 AM, Zhu Huijun <[EMAIL PROTECTED]> wrote: > >> Type the command "jps" in your command window. If your name node is >> running, >> there will be an output item of "Namenode". Or check the web page at >> http://localhost:50070 if you did not change the default server host and >> port of the web. >> >> 2008/3/25, Ipraveen <[EMAIL PROTECTED]>: >> > >> > >> > hi >> > how would i know whether a name node is runnning or not? >> > by using hadoop API for java. >> > >> > regards >> > praveen jain >> > -- >> > View this message in context: >> > >> http://www.nabble.com/how-to-find-out-name-node-is-running-tp16274770p16274770.html >> > Sent from the Hadoop core-dev mailing list archive at Nabble.com. >> > >> > >> > > -- View this message in context: http://www.nabble.com/how-to-find-out-name-node-is-running-tp16274770p16296276.html Sent from the Hadoop core-dev mailing list archive at Nabble.com.
