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MVEL infinite loop in its error handling causing cluster to degrade #3168
Recently I've seen requests trigger a failure, where MVEL gets into an infinite loop trying to report the exception.
This failure causes service to degrade across the entire cluster, causing timeouts on requests handled by all nodes. These may be just for indexes with a shard on the affected machine, but it feels bigger than that.
Shared some logs and a repro with @kimchy.