Force Merge: clarify execution and storage requirements#33882

Merged

javanna merged 4 commits intoelastic:masterfrom

frederikbosch:patch-1

Oct 23, 2018

Commits on Sep 20, 2018

Multi index operations are executed synchronously.
frederikbosch
authored

Commits on Oct 5, 2018

Update remark on sync/async merging multiple indices
frederikbosch
authored

Commits on Oct 23, 2018