Before merge my index status is
green open client 4m5zLWWweSzzWsYoJ4MewpeQ 5 1 344914 79523 1.1gb 654.6mb
when i did merge operation by curl -XPOST 192.168.1.101:9200/client/_forcemerge?max_num_segments=1
I found some increment in documents
green open client 4m5zLWWweSzzWsYoJ4MewpeQ 5 1 345135 0 819.8mb 409.9mb
Why this document count increase 344914 to 345135 happened, is any chance to get include deleted documents? what actually merge did?
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?
Not as far as I know.
Force-merging is an intensive operation that involves re-writing the whole index, so I'd expect it to take some time. Why do you want it to be faster?
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