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https://issues.apache.org/jira/browse/SOLR-9077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15626500#comment-15626500
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Suds commented on SOLR-9077:
----------------------------
One issue I faced is I was working with large cluster ~40 nodes (40 shards) in
that case it would have many slices per alias not sure if we need to throw
error as it may cause issues while creating fixed size threadpool if no of
slices > some number?
> Streaming expressions should support collection alias
> -----------------------------------------------------
>
> Key: SOLR-9077
> URL: https://issues.apache.org/jira/browse/SOLR-9077
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 5.5.1
> Reporter: Suds
> Priority: Minor
> Attachments: SOLR-9077.patch, SOLR-9077.patch, SOLR-9077.patch,
> SOLR-9077.patch
>
>
> Streaming expression in solr does not support collection alias
> when I tried to access collection alias I get null pointer exception
> issue seems to be related to following code , clusterState.getActiveSlices
> returns null
> Collection<Slice> slices = clusterState.getActiveSlices(this.collection);
> for(Slice slice : slices) {
> }
> fix seems to fairly simple , clusterState.getActiveSlices can be made aware
> of collection alias. I am not sure what will happen when we have large alias
> which has hundred of slices.
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