How to identify active namenode?

Hi Can someone let me know how can I identify which is an active namenode? Thanks,

Re: How to identify active namenode?

Hi Debraj, There is a command in haadmin -getAllServiceState, You can use that. Can read this for details : https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HDFSCommands.html#haadmin In the namenode UI also you can see the state of the namenode. -Ayush On Sat, 2 May 2020 at

Re: How to identify active namenode?

I am using HDFS 2.6.0. I checked https://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/HDFSCommands.html#dfsadmin but did not see any option for getting active namenode. I am looking for a command-line approach. On Sat, May 2, 2020 at 12:43 PM Ayush Saxena wrote: > Hi Debraj, >

Re: How to identify active namenode?

This approach worked for me in 2.6.0. On Sat, May 2, 2020 at 1:39 PM Debraj Manna wrote: > I am using HDFS 2.6.0. I checked > https://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/HDFSCommands.html#dfsadmin > but > did not see any op

Re: How to identify active namenode?

Hi, Can you check : https://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/HDFSHighAvailabilityWithQJM.html#Administrative_commands You can use [-getServiceState ] -Ayush On Sat, 2 May 2020 at 13:39, Debraj Manna wrote: > I am using HDFS 2.6.0. I checked > https://hadoop.apache

Re: How to identify active namenode?

You can also check the namenode status through the namenode web UI/JMX. On Sat, May 2, 2020 at 1:27 AM Ayush Saxena wrote: > Hi, > Can you check : > > https://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/HDFSHighAvailabilityWithQJM.html#Administrative_commands > > You can use [-