My ELK stack stoped yesterday, and I found it was because elasticsearch stoped. And I restart it, but logstash can not write data into it. I checked /_cat/health, and got this:
This output shows two initialising shards; when they finish initialising then the active shard percentage will increase, and some more shards will likely start initialising too. With patience, all shards should eventually be assigned. If they are not, and your cluster health is still red, then the following blog post should help:
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