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Posted to issues@solr.apache.org by "brickpattern (via GitHub)" <gi...@apache.org> on 2023/12/11 17:01:59 UTC
[I] Uninstalling solr helm chart without uninstalling Zookeeper [solr-operator]
brickpattern opened a new issue, #665:
URL: https://github.com/apache/solr-operator/issues/665
hi - this is more of a general Q.
I installed Solrcloud with these options to use a ZK-operator installed seperately.
--set zookeeper-operator.install=false --set zookeeper-operator.use=true
On "helm uninstall solr" ... the ZK pods created using solrcloud say solr-solrcloud-zookeeper-0/1/2 gets deleted as well.
Is there a way to retain the ZK pods created as part of solrcloud and just remove the solr pods?
If not , is there an alternative to decouple of the ZK from SolrCloud from helm perspective?
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Re: [I] Uninstalling solr helm chart without uninstalling Zookeeper [solr-operator]
Posted by "brickpattern (via GitHub)" <gi...@apache.org>.
brickpattern commented on issue #665:
URL: https://github.com/apache/solr-operator/issues/665#issuecomment-1855083694
If i had started with inbuilt ZK, would the above approach of specifying zk.address for a standalone ZK will still work?
I would like to retain the data in the solrCloud when cutting over to new ZK.
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Re: [I] Uninstalling solr helm chart without uninstalling Zookeeper [solr-operator]
Posted by "HoustonPutman (via GitHub)" <gi...@apache.org>.
HoustonPutman commented on issue #665:
URL: https://github.com/apache/solr-operator/issues/665#issuecomment-1852406673
So if you deploy Solr using the "provided" zookeeper, then it will be managed in tandem with your SolrCloud. If you want the Zookeeper Cluster's lifecycle to be independent of the Solr lifecycle, you will need to manage it separately.
I would recommend in that case to use the Bitnami Zookeeper Helm chart rather than the Zookeeper Operator's offering.
https://artifacthub.io/packages/helm/bitnami/zookeeper
You would install that by itself, and then find the Zookeeper connection String.
Then in the Solr helm values file, you would use that as the "zk.address" option (and not provide any "zk.provided.*" option).
See the solr helm chart's options for more details: https://artifacthub.io/packages/helm/apache-solr/solr#zk-options
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Re: [I] Uninstalling solr helm chart without uninstalling Zookeeper [solr-operator]
Posted by "VitalijusDBentley (via GitHub)" <gi...@apache.org>.
VitalijusDBentley commented on issue #665:
URL: https://github.com/apache/solr-operator/issues/665#issuecomment-2504303062
My plan(not-tested):
1. Release SolrCloud and ZookeeperCluster with helm annotation that will prevent deletion during uninstall of the chart. [docs](https://helm.sh/docs/howto/charts_tips_and_tricks/#tell-helm-not-to-uninstall-a-resource)
2. I'm hoping this will uninstall operators without affecting Solr or Zookeeper.
3. Remove HELP ownership labels.
4. Release separate charts.
Any flaws? Or maybe it will not work for some reason :) I will let you know when I will need to do this.
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Re: [I] Uninstalling solr helm chart without uninstalling Zookeeper [solr-operator]
Posted by "janhoy (via GitHub)" <gi...@apache.org>.
janhoy closed issue #665: Uninstalling solr helm chart without uninstalling Zookeeper
URL: https://github.com/apache/solr-operator/issues/665
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Re: [I] Uninstalling solr helm chart without uninstalling Zookeeper [solr-operator]
Posted by "janhoy (via GitHub)" <gi...@apache.org>.
janhoy commented on issue #665:
URL: https://github.com/apache/solr-operator/issues/665#issuecomment-1855340703
You could call the BACKUP API in order to backup the content from Zookeeper, then RESTORE once you have the new cluster and ZK installed. Or you can find one of the Zookeeper commandline utilities out there (search for it) which will let you backup/restore the content of ZK.
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Re: [I] Uninstalling solr helm chart without uninstalling Zookeeper [solr-operator]
Posted by "janhoy (via GitHub)" <gi...@apache.org>.
janhoy commented on issue #665:
URL: https://github.com/apache/solr-operator/issues/665#issuecomment-4004632909
Answer provided, closing.
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