You will need to reindex, see: http://www.elasticsearch.org/blog/disk-based-field-data-a-k-a-doc-values/ http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/doc-values.html#_enabling_doc_values
-- Itamar Syn-Hershko http://code972.com | @synhershko <https://twitter.com/synhershko> Freelance Developer & Consultant Author of RavenDB in Action <http://manning.com/synhershko/> On Sun, Dec 7, 2014 at 3:25 PM, Yoav Melamed <[email protected]> wrote: > Hello, > > We want to migrate our ES cluster to use version 1.4.1 with doc_values. > We have 20 nodes with 4TB data. > What is the best practice? Can we just change the mapping and restart the > cluster? > How can we make sure the change was done? > > Thanks, > > Yoav Melamed > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/f6fb341c-9469-4e8b-be92-0d4f9107463e%40googlegroups.com > <https://groups.google.com/d/msgid/elasticsearch/f6fb341c-9469-4e8b-be92-0d4f9107463e%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAHTr4ZsFE7WnsbFqW7EC3b3HrS4%3DuJx3TtvRffaH-yYFuXD-bw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
