Now we are using elasticsearch version 1.3.7, we are working on version up-gradation.
In our discussion, plan to check for upgrade 1.x to 5.x .
if we done with direct data migration to 5.x from 1.x, what are possibility of complexities need to face on during and after this up-gradation.
Please suggest us !!!
But we can do direct reindex 1.x to 5.x right ? https://www.elastic.co/guide/en/elasticsearch/reference/5.4/reindex-upgrade.html
what are possibility of complexities need to face on during and after this up-gradation.
The mapping probably is the tricky part.
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