Restart improves latencies

Elastic Stack Elasticsearch
1

We've noticed a weird trend with our ES (6.2.4) cluster. After a few weeks of production work, search latencies begin to deteriorate (about X3 slower in the 95%) . However, a full cluster restart brings things back to normal.

Any idea what's going on here? Is there a way to achieve the same effect without a full restart?

2

Hey all, would appreciate a comment about this :slight_smile:

3

Can you try profiling same query on both time to see ?

4

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