Did you recently insert some documents into this index? It is possible that the 344914 document count didn't include documents added since the last refresh, but that a refresh occurred at around the same time as the force merge.
no there is no any insertion, is there any chance to no of doc will increase after forcemerge? there was 3 million small doc [among 4 billion doc] forcemerge taken 30 min.. can i reduce this time?
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