Shalin Shekhar Mangar created SOLR-13123:
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Summary: Free disk based suggester short circuits without
exploring all states
Key: SOLR-13123
URL: https://issues.apache.org/jira/browse/SOLR-13123
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: AutoScaling
Affects Versions: 7.5, 7.6
Reporter: Shalin Shekhar Mangar
Fix For: master (8.0), 7.7
The free disk variable based suggester can stop generating suggestions too
early because it short circuits the suggestion loop after the first node that
results in a violation (or increases the violation).
This is further exacerbated by the fact that the replicas in each node are
evaluated in the order of index size ascending which causes the smallest
replicas to be considered first. If a violation happens in moving this small
replica then the larger replicas are never even considered for a move.
We should consider all possibilities here and stop short circuiting on a
violation.
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