Disk full because of elasticsearch

[tmacgbay]

Here is a more in depth post by @gsmith that talks about watermarks and what to do with them:

Graylog stopped with timeout

Hello, My apologies, I misread your post. I believe Its because of this statement in your logs. low disk watermark [85%] exceeded on Definition of low disk watermark [85%] exceeded. When disk usage on a host hits 85 percent, the Elasticsearch service prevents shard allocation and stops working. This disk usage threshold is an Elasticsearch configuration. By default, the cluster.routing.allocation.disk.watermark.low watermark is set to 85% to prevent Elasticsearch from allocating new sh…