recently I got the warning:
Courier Fetch: 17 of 100 shards failed.
what cause it and what can I do to fix it?
( I added a field geo_location) to create the cordinate map) when tapping new visualize==> cordinate map==> select field
I got this warning
305 of 369 shards failed
Most often, this indicates a scaling problem: too few nodes available to read from too many/too large shards.
What does the cat/shards API return with your index pattern?
How many nodes are in this cluster? Are they pretty much the same in terms of their hardware and Elasticsearch configuration?
many thanks for your replay,
I have 7 nodes in this cluster, in fact I configured elasticsearch on 7 windows servers.(a node per region)
When you look at the
_cat/shards API for this index pattern, are the shards pretty much evenly distributed across the 7 nodes? How large are the shards in GB on average?
How far apart are these regions you have deployed the cluster across?
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