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KPG1
Gold ⭐️
May 26, 2022
Solved

Moving Hbase region server to new host

I am having 5 region servers in my cluster, I have added an additional 5 region servers,

can I directly decommission the older 5 region server with the help of ambari server, will it cause any data loss in HBase?

 

ChethanYM
ChethanYMAnswer
Gold ⭐️
May 31, 2022

Hi @KPG1 ,

 

I have found a another cloudera article similar to your concern, Please check the below link:

https://community.cloudera.com/t5/Support-Questions/How-to-move-all-the-regions-of-a-region-server-to-another/td-p/175535

 

StackOverflow;

https://stackoverflow.com/questions/39749517/how-to-force-an-hbase-table-to-a-region-server

 

Regards,

Chethan YM

2 replies

ChethanYM
Gold ⭐️
ChethanYMAnswer
Gold ⭐️
May 31, 2022

Hi @KPG1 ,

 

I have found a another cloudera article similar to your concern, Please check the below link:

https://community.cloudera.com/t5/Support-Questions/How-to-move-all-the-regions-of-a-region-server-to-another/td-p/175535

 

StackOverflow;

https://stackoverflow.com/questions/39749517/how-to-force-an-hbase-table-to-a-region-server

 

Regards,

Chethan YM

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KPG1
KPG1Author
Gold ⭐️
May 31, 2022

Hi @ChethanYM ,

Thanks for the help,

gracefully shutting down the region server triggers the hbase Master to perform a bulk assignment of all regions hosted by that region server.

regards,

KPG1

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