anchor.diff:  
   
   [[flush-multi-index]]
  -===== Flush several indices
  +===== Flush several data streams and indices
   
   [source,console]
   ----
  
positive.code: [[flush-api-desc]]
  ==== {api-description-title}
  
  Flushing an index is the process of making sure that any data that is currently
  only stored in the <<index-modules-translog,transaction log>> is also
  permanently stored in the Lucene index. When restarting, {es} replays any
  unflushed operations from the transaction log into the Lucene index to bring it
  
negative.code: 
  
  [[flush-api-all-ex]]
  ===== Flush all data streams and indices in a cluster
  
  [source,console]
  ----
  