We have a index contains around 1 million documents, each time after the full re-indexing, the segment count of each shard is general around 20-30. And we found that if we optimize the index (_forcemerge?max_num_segments=1), the query performance could be significantly improved. But after the full…

How to keep segment count of active index small?

Youxu (Xudong You) February 24, 2017, 10:26am 5

Thanks!

We do have a query perf issue which I asked in another topic:

Could you please take a look?

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