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Posted to issues@solr.apache.org by "Mayya Sharipova (Jira)" <ji...@apache.org> on 2021/06/23 13:50:09 UTC
[jira] [Updated] (SOLR-15397) Expose zookeeper status in the
exporter
[ https://issues.apache.org/jira/browse/SOLR-15397?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mayya Sharipova updated SOLR-15397:
-----------------------------------
Security: (was: Public)
> Expose zookeeper status in the exporter
> ---------------------------------------
>
> Key: SOLR-15397
> URL: https://issues.apache.org/jira/browse/SOLR-15397
> Project: Solr
> Issue Type: New Feature
> Components: contrib - prometheus-exporter
> Reporter: Jan Høydahl
> Assignee: Jan Høydahl
> Priority: Major
> Fix For: 8.9
>
> Attachments: Skjermbilde 2021-05-06 kl. 16.48.37.png, Skjermbilde 2021-05-06 kl. 16.58.42.png
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> This issue will add these prometheus metrics to solr exporter: {{solr_zookeeper_ensemble_size}}, {{solr_zookeeper_nodestatus}}, {{solr_zookeeper_status}}
> {code:java}
> # HELP solr_zookeeper_nodestatus See following URL: https://solr.apache.org/guide/cloud-screens.html#zk-status-view
> # TYPE solr_zookeeper_nodestatus gauge
> solr_zookeeper_nodestatus{host="zoo1:2181",zk_host="zoo1:2181,zoo2:2181,zoo3:2181",} 1.0
> solr_zookeeper_nodestatus{host="zoo2:2181",zk_host="zoo1:2181,zoo2:2181,zoo3:2181",} 1.0
> solr_zookeeper_nodestatus{host="zoo3:2181",zk_host="zoo1:2181,zoo2:2181,zoo3:2181",} 0.0
> # HELP solr_zookeeper_status See following URL: https://solr.apache.org/guide/cloud-screens.html#zk-status-view
> # TYPE solr_zookeeper_status gauge
> solr_zookeeper_status{status="yellow",zk_host="zoo1:2181,zoo2:2181,zoo3:2181",} 0.0
> # HELP solr_zookeeper_ensemble_size See following URL: https://solr.apache.org/guide/cloud-screens.html#zk-status-view
> # TYPE solr_zookeeper_ensemble_size gauge
> solr_zookeeper_ensemble_size{mode="ensemble",zk_host="zoo1:2181,zoo2:2181,zoo3:2181",} 3.0
> {code}
> The data is fetched and parsed from Solr's /admin/zookeeper/status endpoint. Can be used for alerting on earlier ZK versions that do not natively support prometheus, or if you don't want to setup separate ZK monitoring. Example Grafana dashboard tile:
> !Skjermbilde 2021-05-06 kl. 16.58.42.png!
> I plan to add this to the new solr cluster row next to the solr live-nodes graph:
> !Skjermbilde 2021-05-06 kl. 16.48.37.png|width=800!
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