What could be the reason for " Courier Fetch: 3 of 12 shards failed. " what's the solution for this?

Elastic Stack Kibana
1

What could be the reason for " Courier Fetch: 3 of 12 shards failed. " what's the solution for this?

2

Check your ES logs, there should be something in there.

3

getting error like this...

[2013-07-09 04:34:48,241][INFO ][cluster.metadata ] [Logstash]
[logstash-2013.07.09] update_mapping [postfix] (dynamic)
[2013-07-09 04:35:40,518][INFO ][cluster.metadata ] [Logstash]
[logstash-2013.07.09] update_mapping [bind] (dynamic)
[2013-07-09 04:41:16,725][INFO ][cluster.metadata ] [Logstash]
[logstash-2013.07.09] update_mapping [syslog] (dynamic)

4

That is not an error, that is an INFO.

You may want to try to replicate the error and then check the logs. Otherwise, KB should have a more info button/link you can click that shows the entire error.

5

What could be the common errors for this?

6

There are no common errors, you need to look at your logs.