# ElasticSearch nodes not responding anymore - please help!

**URL:** https://discuss.elastic.co/t/elasticsearch-nodes-not-responding-anymore-please-help/59972
**Category:** Elasticsearch
**Created:** [September 7, 2016, 10:41am UTC](https://discuss.elastic.co/t/elasticsearch-nodes-not-responding-anymore-please-help/59972 "2016-09-07T10:41:08Z")
**Posts on this page:** 1
**Showing post:** 9

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### Author: ![renego](https://avatars.discourse-cdn.com/v4/letter/r/c37758/32.png) [@renego](https://discuss.elastic.co/u/renego)
#### Post date: [September 11, 2016, 8:53am UTC](https://discuss.elastic.co/t/elasticsearch-nodes-not-responding-anymore-please-help/59972/9 "2016-09-11T08:53:45Z")

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Hi, here are my server and ES settings:

> [@Please suggest performance settings for my ElasticSearch cluster](https://discuss.elastic.co/t/please-suggest-performance-settings-for-my-elasticsearch-cluster/60232):
>
> Hi, I have troubles with my ElasticSearch cluster and don't know what to do. Here my settings: Server: 64GB of RAM 8 cores 500GB SSD Data: 10 different index each 1M rows 10M of rows 11GB of data Actual ES cluster 3 nodes on the same server 1 master node and 2 slave nodes 8g Heap size for each node bootstrap.mlockall: true Search requests: Search Rate: 150 /s Search Latency: 1ms I have a lot of aggregations and filter for each search request Problem: When the JVM heap is comin…

Cheers  
Nik

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