Atri Sharma 7b54902f68
SOLR-14588: Implement Circuit Breakers (#1606)
* SOLR-14588: Implement Circuit Breakers

This commit consists of two parts: initial circuit breakers infrastructure and real JVM memory based
circuit breaker which monitors incoming search requests and rejects them with SERVICE_TOO_BUSY error
if the defined threshold is breached, thus giving headroom to existing indexing and search requests
to complete.
2020-06-25 21:06:22 +05:30
..