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A simple script to display the "health" of an ES cluster
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| #!/bin/bash | |
| ES_URL='https://localhost:9200' | |
| curl_get='curl -s -X GET --cacert /etc/elasticsearch/secret/admin-ca --cert /etc/elasticsearch/secret/admin-cert --key /etc/elasticsearch/secret/admin-key' | |
| date | |
| $curl_get $ES_URL/_cat/health?v | |
| $curl_get $ES_URL/_cat/allocation?v\&h=node,host,ip,shards,disk.indices,disk.used,disk.avail,disk.total,disk.percent | |
| # See https://www.elastic.co/guide/en/elasticsearch/reference/2.4/cat-nodes.html for header meanings | |
| $curl_get $ES_URL/_cat/nodes?v\&h=name,host,r,m,hc,hp,hm,rc,rp,rm,fdc,fdp,fdm,load,uptime | |
| $curl_get $ES_URL/_cat/nodes?v\&h=name,host,r,m,fm,fe,qcm,qce,rcm,rce,rchc,rcmc,ft,ftt,rto,rti,sc,sm,siwm,siwmx,svmm | |
| $curl_get $ES_URL/_cat/nodes?v\&h=name,host,r,m,gc,gto,gti,iic,iito,iiti,mc,mt,mtt,sfc,sfto,sfti,sqc,sqto,sqti | |
| $curl_get $ES_URL/_cat/thread_pool?v\&h=host,bulk.rejected,bulk.completed,bulk.queue,bulk.queueSize,bulk.size,bulk.active,bulk.largest | |
| $curl_get $ES_URL/_cat/thread_pool?v\&h=host,refresh.rejected,refresh.completed,refresh.queue,refresh.size,refresh.active,refresh.largest | |
| $curl_get $ES_URL/_cat/thread_pool?v\&h=host,management.rejected,management.completed,management.queue,management.size,management.active,management.largest |
Here is an example from a cluster with unassigned shards:
Thu May 24 20:56:43 UTC 2018
epoch timestamp cluster status node.total node.data shards pri relo init unassign pending_tasks max_task_wait_time active_shards_percent
1527195403 20:56:43 logging-es red 3 3 5659 2828 0 0 12 0 - 99.8%
node host ip shards disk.indices disk.used disk.avail disk.total disk.percent
logging-es-data-master-gkvb8lj8 10.129.0.29 10.129.0.29 1576 27.4gb 135.2gb 1.8tb 1.9tb 6
logging-es-data-master-ml8zmsl7 10.128.0.77 10.128.0.77 2111 61.9gb 173.6gb 1.7tb 1.9tb 8
logging-es-data-master-zolfd11v 10.129.0.30 10.129.0.30 1972 49.3gb 160.4gb 1.8tb 1.9tb 7
UNASSIGNED 12
name host r m hc hp hm rc rp rm fdc fdp fdm load uptime
logging-es-data-master-gkvb8lj8 10.129.0.29 d * 16.3gb 53 30.7gb 153.4gb 98 157.2gb 14818 1 1048576 31.14 21.3h
logging-es-data-master-ml8zmsl7 10.128.0.77 d m 18.1gb 58 30.7gb 155.8gb 99 157.2gb 19916 1 1048576 23.57 21.1h
logging-es-data-master-zolfd11v 10.129.0.30 d m 21.2gb 69 30.7gb 153.4gb 98 157.2gb 17992 1 1048576 31.14 21.3h
name host r m fm fe qcm qce rcm rce rchc rcmc ft ftt rto rti sc sm siwm siwmx svmm
logging-es-data-master-gkvb8lj8 10.129.0.29 d * 0b 0 0b 0 0b 0 0 0 29950 44.7m 5557638 1.1d 7928 140.3mb 308.8mb 3.4gb 148.2kb
logging-es-data-master-ml8zmsl7 10.128.0.77 d m 0b 0 0b 0 0b 0 0 0 38451 1.2h 8177223 2.9d 10510 249.7mb 454mb 5gb 601.6kb
logging-es-data-master-zolfd11v 10.129.0.30 d m 0b 0 0b 0 0b 0 0 0 33444 1h 7602006 2.9d 9331 203.5mb 458.7mb 4.5gb 492.6kb
name host r m gc gto gti iic iito iiti mc mt mtt sfc sfto sfti sqc sqto sqti
logging-es-data-master-gkvb8lj8 10.129.0.29 d * 0 147 36ms 1 48861959 21h 7 599867 2d 0 22386 1.5s 0 22386 2.5s
logging-es-data-master-ml8zmsl7 10.128.0.77 d m 0 104 70ms 0 95514486 2.4d 9 944469 4.9d 0 22148 2.6s 0 22148 5.7s
logging-es-data-master-zolfd11v 10.129.0.30 d m 0 195 47ms 5 79627575 2.9d 2 903139 4.5d 0 10225 1.7s 0 10225 1.8s
host bulk.rejected bulk.completed bulk.queue bulk.queueSize bulk.size bulk.active bulk.largest
10.129.0.29 133901 10775966 0 50 32 0 32
10.128.0.77 2548220 21183026 43 50 32 32 32
10.129.0.30 480337 17562786 0 50 32 1 32
host refresh.rejected refresh.completed refresh.queue refresh.size refresh.active refresh.largest
10.129.0.29 0 5558012 4 10 10 10
10.128.0.77 0 8177729 0 10 0 10
10.129.0.30 0 7602586 0 10 3 10
host management.rejected management.completed management.queue management.size management.active management.largest
10.129.0.29 0 30634 0 5 1 5
10.128.0.77 0 28499 0 3 1 3
10.129.0.30 0 28564 0 3 1 3
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Here is an example output from a healthy cluster: