Help Center/ Cloud Search Service/ FAQs/ CSS Cluster Monitoring and O&M/ What Do I Do If the Average Memory Usage of a CSS Cluster Reaches 98%?

Updated on 2024-09-14 GMT+08:00

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What Do I Do If the Average Memory Usage of a CSS Cluster Reaches 98%?

Symptom

The cluster monitoring result shows that the average memory usage of a cluster is 98%. Does it affect cluster performance?

Possible Cause

In an Elasticsearch cluster, 50% of the memory is occupied by Elasticsearch and the other 50% is used by Lucene to cache files. It is normal that the average memory usage reaches 98%.

Solution

You can monitor the cluster memory usage by checking the maximum JVM heap usage and average JVM heap usage.

Parent topic: CSS Cluster Monitoring and O&M

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