You can also check the namenode status through the namenode web UI/JMX. On Sat, May 2, 2020 at 1:27 AM Ayush Saxena <ayush...@gmail.com> 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 [-getServiceState <serviceId>] > > -Ayush > > > On Sat, 2 May 2020 at 13:39, Debraj Manna <subharaj.ma...@gmail.com> > 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 option for getting active namenode. >> >> I am looking for a command-line approach. >> >> On Sat, May 2, 2020 at 12:43 PM Ayush Saxena <ayush...@gmail.com> wrote: >> >>> 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 12:32, Debraj Manna <subharaj.ma...@gmail.com> >>> wrote: >>> >>>> Hi >>>> >>>> Can someone let me know how can I identify which is an active namenode? >>>> >>>> Thanks, >>>> >>>>
