We've been running a 5 node cluster for our index (5 shards, 1 replica,
evenly distributed on 5 nodes), and are running into a problem with one of
the nodes in the cluster. It is not unique to any specific node, and can
happen sporadically on any of the nodes.
One of the machines starts spiking up close to 100% CPU Load, and close to
8 OS Load (which is amusing, considering there are only 4 CPU cores on the
machine), while all the other machines operate normally way below those
figures. Naturally, this behavior is accompanied by extremely high write
times, and read times, as well.
Here's what Marvel looks like:
Here's all the information we could gather:
- Full thread dump from while this
Thoughts? insights? Any clues would be greatly appreciated.
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