Christine Poerschke created SOLR-5209:
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Summary: cores/action=UNLOAD of last replica removes shard from
clusterstate
Key: SOLR-5209
URL: https://issues.apache.org/jira/browse/SOLR-5209
Project: Solr
Issue Type: Bug
Components: SolrCloud
Affects Versions: 4.4
Reporter: Christine Poerschke
The problem we saw was that unloading of an only replica of a shard deleted
that shard's info from the clusterstate. Once it was gone then there was no
easy way to re-create the shard (other than dropping and re-creating the whole
collection's state).
This seems like a bug?
Overseer.java around line 600 has a comment and commented out code:
// TODO TODO TODO!!! if there are no replicas left for the slice, and the slice
has no hash range, remove it
// if (newReplicas.size() == 0 && slice.getRange() == null) {
// if there are no replicas left for the slice remove it
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