Yuki Yano created SOLR-11727:
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Summary: Add an extension of LBHttpSolrClient for the better
load-balancing.
Key: SOLR-11727
URL: https://issues.apache.org/jira/browse/SOLR-11727
Project: Solr
Issue Type: New Feature
Security Level: Public (Default Security Level. Issues are Public)
Components: search, SolrJ
Reporter: Yuki Yano
Priority: Minor
We propose a new type of {{LBHttpSolrClient}} which uses UCB algorithm to
select a next candidate from replicas.
This new client uses past responses (currently, only QTime) to calculate the
priority of each replica, and selects the best one for keeping the stability of
latencies.
Our experiment shows that the new client performed better than
{{LBHttpSolrClient}} with failure cases such as the performance of one node
goes down by some reasons.
Please see attached PDF for more details.
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