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From Jeff Jirsa <>
Subject Re: Installing a Cassandra cluster with multiple Linux OSs (Ubuntu+CentOS)
Date Sun, 14 Oct 2018 16:40:18 GMT
Should be fine, just get the java and kernel versions and kernel tuning params as close as

Jeff Jirsa

> On Oct 14, 2018, at 5:09 PM, Eyal Bar <> wrote:
> Hi all,
> Did anyone installed a Cassandra cluster with mixed Linux OSs where some of the nodes
were ubuntu 12\14\16 and some of the nodes where CentOS7?
> Will it work without issues?
> Rational: We have a 40 servers cluster which was originally installed only with Ubuntu
servers. Now we want to move to CentOS 7 but the effort of reinstalling the entire cluster
+ migration to CentOS 7 is not simple. So we thought about adding new CentOS 7 nodes to the
existing cluster and gradually remove the Ubuntu ones. 
> Would love to read your thoughts.
> Best,
> -- 
> Eyal Bar
> Big Data Ops Team Lead | Data Platform and Monitoring  | Kenshoo
> Office +972 (3) 746-6500 *473
> Mobile +972 (52) 458-6100
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