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From Shawn Heisey <>
Subject Re: Java upgrade for solr in master-slave configuration
Date Tue, 19 May 2015 13:20:11 GMT
On 5/19/2015 12:21 AM, Kamal Kishore Aggarwal wrote:
> I am currently working with Java-1.7, Solr-4.8.1 with tomcat 7. The solr
> configuration has slave & master architecture. I am looking forward to
> upgrade Java from 1.7 to 1.8 version in order to take advantage of memory
> optimization done in latest version.
> So, I am confused if I should upgrade java first on master server and then
> on slave server or the other way round. What should be the ideal steps, so
> that existing solr index and other things should not get corrupted . Please
> suggest.

I am not aware of any changes in index format resulting from changing
your Java version.  It should not matter which machines you upgrade first.


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