[JAMES-2590] Change default ElasticSearch shards & replica values

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.0
• Component/s: elasticsearch
• Assignee: Unassigned
• Reporter: Antoine Duprat
• Created: 12/Nov/18 17:28
• Updated: 15/Nov/18 02:23
• Resolved: 15/Nov/18 02:23

Description

The default values of those parameters should match the recommended values:
https://www.elastic.co/guide/en/elasticsearch/guide/current/_index_settings.html

We also have to ensure that those configuration entries are really used while creating the indices.