Hi,
i have just did an upgrade of Elasticsearch and my server successfully started and is up for half an hour now. The status changed from red to yellow and stayed yellow for 25 minutes now. Should i be concerned about this?
Regards,
Ahmet
How many nodes do you have?
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Hi David,
i have one single note storing log information of a webserver.
Yellow status means that replicas are not allocated. Which is normal as you can't allocate replicas with only one node.
To make your cluster green, increase the number of nodes or decrease the number of replicas to 0.
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this happened after an upgrade from 5.6 to 6.x. Where do i need to make these changes and how does this affect elasticsearch?
Can you run:
GET _cat/indices?v
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i will upload it tomorrow in the office 
Hi David,
this is the output i get:
https://paste.ee/e/Ywatp/0
If you can provide the full output of the cluster stats API, it would provide some additional information about the cluster and be easier to read.
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So you have one replica per index which is not allocated as I said.
Just change this number or increase the number of nodes.
BTW you have too many shards per nodes here.
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Ok will change the settings after solving my other issues
Thank you so much. Both of you 
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