Re: How to determine hdfs metadata upgrade complete in hadoop 3.0?

Anyone any thoughts on this? The same has been posted in StackOverflow <https://stackoverflow.com/questions/61937247/how-to-determine-hdfs-metadata-upgrade-complete-in-hadoop-3-0> also. But no update there also. On Sat, May 2, 2020 at 6:13 PM Debraj Manna wrote: > Hi > > I am

How to determine hdfs metadata upgrade complete in hadoop 3.0?

Hi I am upgrading from hadoop 2.6 to hadoop 3.0. In the process, I am upgrading HDFS metadata by executing the below command. sudo -u hdfs hdfs --daemon start namenode -upgrade -renameReserved I am not able to locate any upgradeProgress command. How can I determine that the metadata upgrade is

Re: How to identify active namenode?

This approach <https://stackoverflow.com/a/61556389/785523> 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 &g

Re: How to identify active namenode?

yush > > > On Sat, 2 May 2020 at 12:32, Debraj Manna > wrote: > >> Hi >> >> Can someone let me know how can I identify which is an active namenode? >> >> Thanks, >> >>

How to identify active namenode?

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

Re: Decommissioning YARN resource manager node

; Thanks > +Vinod > > On Apr 8, 2020, at 4:51 PM, Debraj Manna wrote: > > Hi > > I have 3 nodes running only resource-manager. I want to change it to 2 > nodes. Can someone let me know what is the recommended a way to > decommission a node running resource-manager? I ha

Re: Decommissioning YARN resource manager node

I have posted the same in StackOverflow <https://stackoverflow.com/questions/61099510/decomission-yarn-resource-manager-node> and did not get much reply there also. Anyone any thoughts on this? On Wed, Apr 8, 2020 at 4:51 PM Debraj Manna wrote: > Hi > > I have 3 nodes runnin

Decommissioning YARN resource manager node

Hi I have 3 nodes running only resource-manager. I want to change it to 2 nodes. Can someone let me know what is the recommended a way to decommission a node running resource-manager? I have seen the below link but it explains only about nodemanager

Re: High Availability for an application running on yarn

The same has been posted in StackOverflow <https://stackoverflow.com/questions/60815863/high-availability-for-a-java-yarn-application> but did not get any response there also. Anyone any thoughts on this ? On Mon, Mar 23, 2020 at 3:52 PM Debraj Manna wrote: > Can someone let me

High Availability for an application running on yarn

Can someone let me know what is the recommended way to ensure high availability for a yarn application? For example, let say I have 3 physical nodes. The yarn java application needs 3 containers and each physical node has enough resources to hold 3 yarn containers. What is the recommended way to

How to do rolling upgrade of a hadoop cluster with hbase?

I am having a cluster like below - 3 Hbase Master (1 Active & 2 standby) - 4 Region Servers - 4 Data Nodes - 1 Primary & 1 Secondary Name Node - 3 Journal Node - 4 Nodemanager - 3 Resource Manager (1 Active & 2 standby) Can someone let me know how can I plan a rolling

Upgrading CDH Community Edition from 5.7 to 5.13

Hi This is my first post in this mailing list. I am not sure if this is the right place to ask this question I don't have any enterprise license. I am having a cluster like below 1. 3 Hbase Master (1 Active & 2 standby) 2. 4 Region Servers 3. 4 Data Nodes 4. 1 Primary & 1