Hi, I have a total 8GB of JVM Heap, it't usage was near 50%, While I cleared field data cache（almost 1GB） using Clear Cache API: $curl -XPOST ' http://localhost:9200/_cache/clear?field_data=true ' field data cahced size decreased, indeed, but JVM heap usage didn't declined. What's the reasons …

JVM Heap usage didn't decline after clearing field data cache

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.

JVM Heap usage didn't decline after clearing field data cache