[GitHub] [lucene-solr-operator] krishnachalla-hv opened a new issue #213: Solr cloud provided zookeeper cluster in unhealthy state

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krishnachalla-hv opened a new issue #213:
URL: https://github.com/apache/lucene-solr-operator/issues/213


   I have installed **v0.2.8** version of the operator, Sometimes one of the provided zookeeper instance goes into unhealthy state. I have used default values initialize zookeeper instance that are provided in the documentation. Here is my configuration:
   
   ```
   apiVersion: v2
   name: test
   description: A Helm chart for intializing multi node solr cloud.
   appVersion: 1.0.0
   dependencies:
     - name: solr-operator
       version: 0.2.8
       repository: "https://apache.github.io/lucene-solr-operator/charts"
       condition: solr-operator.enabled
   
     - name: zookeeper-operator
       version: 0.3.0
       repository: "https://kubernetes-charts.banzaicloud.com"
       condition: zookeeper-operator.enabled
   
   ```
   And the solr cloud yaml file:
   
   ```
   apiVersion: solr.bloomberg.com/v1beta1
   kind: SolrCloud
   metadata:
     name: {{ .Release.Name }}
   spec:
     dataStorage:
       persistent:
         reclaimPolicy: Retain
         pvcTemplate:
           spec:
             resources:
               requests:
                 storage: "5Gi"
     replicas: 2
     solrImage:
       tag: 8.7.0
     solrJavaMem: "-Xms1g -Xmx3g"
     customSolrKubeOptions:
       podOptions:
         resources:
           limits:
             memory: "1G"
           requests:
             cpu: "65m"
             memory: "156Mi"
     zookeeperRef:
       provided:
         chroot: "/solr"
         persistence:
           reclaimPolicy: Retain
           spec:
             resources:
               requests:
                 storage: "5Gi"
         replicas: 3
         zookeeperPodPolicy:
           resources:
             limits:
               memory: "1G"
             requests:
               cpu: "65m"
               memory: "156Mi"
     solrOpts: "-Dsolr.autoSoftCommit.maxTime=10000"
     solrGCTune: "-XX:SurvivorRatio=4 -XX:TargetSurvivorRatio=90 -XX:MaxTenuringThreshold=8"
   ```
   
   After applying the above configuration always 2nd zk pod will be in unhealthy state.[ZK pod error.log](https://github.com/apache/lucene-solr-operator/files/5951776/ZK.pod.error.log) But the remaining 2 ZK pods will be functioning properly.
   ![zk unhealthy state](https://user-images.githubusercontent.com/60733731/107374588-c348b100-6b0d-11eb-9b41-005861a15c9e.png)
   
   
   
   


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