The current strategy to create the completion suggester index is to create a new one and then delete the previous one. Unfortunately index creation is costly operation which causes shards to re-balance. It'd be better to reuse the same index, especially for small wikis.
|Resolved||Deskana||T121616 EPIC: Resolve technical or product blockers to enable us to do a more full rollout of the completion suggester|
|Resolved||dcausse||T124071 Optimize completion suggester index creation|