Here we want to list the common issues faced with ELK and their solutions
List all indices
curl -v http://127.0.0.1:9200/_cat/indices?v
Delete an index
curl -XDELETE http://127.0.0.1:9200/docker-generic-upload-2018.04.12
The cluster status or an index is red
- Issue
heetis@HEE-TIS-VM-PROD-ES:~$ curl http://127.0.0.1:9200/_cat/indices|grep red
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 16875 100 16875 0 0 265k 0 --:--:-- --:--:-- --:--:-- 270k
heetis@HEE-TIS-VM-PROD-ES:~$
- Diagnostic
heetis@HEE-TIS-VM-DEV-ES:~$ curl -XGET localhost:9200/_cat/shards?h=index,shard,prirep,state,unassigned.reason| grep UNASSIGNED heetis@HEE-TIS-VM-DEV-ES:~$
- Fix
heetis@HEE-TIS-VM-DEV-ES:~$ curl -XPUT 'localhost:9200/_cluster/settings' -d '{ "persistent":
{ "cluster.routing.allocation.enable" : "all"
}
}
heetis@HEE-TIS-VM-DEV-ES:~$
Some indices are yellow
- issue
heetis@HEE-TIS-VM-UAT-ES:~$ curl http://127.0.0.1:9200/_cat/indices|grep yellow
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 16576 100 16576 0 0 695k 0 --:--:-- --:--:-- --:--:-- 703k
yellow open .kibana 1 1 1 0 3kb 3kb
heetis@HEE-TIS-VM-UAT-ES:~$
- Diagnostic TODO
- Fix
heetis@HEE-TIS-VM-UAT-ES:~$ curl -XPUT 'localhost:9200/.kibana/_settings' -d '{"number_of_replicas": 0}'
heetis@HEE-TIS-VM-UAT-ES:~$
To list all backup repositories
curl -XGET http://localhost:9200/_snapshot/_all |
To list all snapshots in the repository (elasticsearch)
curl -XGET http://localhost:9200/_snapshot/elasticsearch/_all |
To restore a particular snapshot (Eg: 2017.01.18)
curl -X POST http://localhost:9200/_snapshot/elasticsearch/2017.01.18/_restore |
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