[jira] [Resolved] (SOLR-14235) Node lost event does not delete all replicas from the nodes are being deleted

["Cassandra Targett (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-14235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Cassandra Targett resolved SOLR-14235.
--------------------------------------
    Resolution: Won't Fix

The autoscaling framework has been removed from Solr, so this can be resolved as Won't Fix.

> Node lost event does not delete all replicas from the nodes are being deleted 
> ------------------------------------------------------------------------------
>
>                 Key: SOLR-14235
>                 URL: https://issues.apache.org/jira/browse/SOLR-14235
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 7.7.2
>            Reporter: jawlit patel
>            Priority: Critical
>
> Hello,
>  
> Node lost event does not delete all replicas from the nodes are being deleted when a higher number of collections & replicas. This is really blocking the implementation of solr on autoscaling groups where nodes are being added & removed. All events are working fine when very few(3-4) collections and replicas but we started adding more collections and replicas to the cluster, we started seeing the cluster is not maintaining the desired state. during scale down, nodes are being removed but replicas pointing to the nodes are still there in down status. The only way it works is manually deleting them from admin UI. 
>  
> have added the following policies
> curl -X POST "http://localhost:8983/solr/admin/autoscaling" --data-binary \
>  '
> { "set-cluster-policy": [ \\{ "replica": "1","shard": "#EACH", "node": "#EACH" }
> ]
>  }'
> curl -X POST "http://localhost:8983/solr/admin/autoscaling" --data-binary \
>  '{
>  "set-trigger":
> { "name": "node_added_trigger", "event": "nodeAdded", "waitFor": "5s", "preferredOperation": "ADDREPLICA" }
> }'
> curl -X POST "localhost:8983/solr/admin/autoscaling" --data-binary \
>  '{
>  "set-trigger":
> { "name": "node_lost_trigger", "event": "nodeLost", "waitFor": "600s", "preferredOperation": "DELETENODE" }
> }'



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