Add tips to configure the Elasticsearch heap

Change-Id: I746e19bc6dbfc65260bd5595d1bfef2d51fd8aea
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Guillaume Thouvenin 2015-06-03 08:53:59 +02:00
parent 404043c069
commit 7a8f713a66
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@ -78,6 +78,15 @@ User Guide
5. Scroll down the page, select the "Elasticsearch-Kibana Server plugin" checkbox
and fill-in the required fields.
### Heap sizing
By default, 1G of heap memory is allocated to the Elasticsearch process. In
many cases this number will be too small. You can modify this value up to
32GB. The recommendation is to give 50% of the available memory to
Elasticsearch. If you set a value that is greater than the memory size of
the node, Elasticsearch won't start.
### Disks partitionning
You can select up to 3 physical disks that will be mounted as a single logical
volume to store the Elasticsearch data. If you specify no disk, the data will
be stored on the root filesystem. In all cases, Elasticsearch data will be