The Definitive Guide says: Small segments are merged into bigger segments, which, in turn, are merged into even bigger segments. Because my cluster has a lot of index,so there are a lot of segments,every segment consumes file handles, memory, and CPU cycles,so the usage of heap size always over …

Set the min size of a segment?

Ravi_Shanker_Reddy (Ravi Shanker Reddy) November 25, 2016, 4:26am 2

How's your index named? If it is based on dates close the indexes which is older and not used for searching.

It may help for you

Elasticsearch is a trademark of Elasticsearch BV, registered in the U.S. and in other countries
Trademarks
Terms
Privacy
Brand
Code of Conduct

Apache, Apache Lucene, Apache Hadoop, Hadoop, HDFS and the yellow elephant logo are trademarks of the Apache Software Foundation in the United States and/or other countries.