The search.anti_entropy.throttle.$tier.solrq_queue_length parameter appears to be referenced as mailbox in the description column, eg: anti_entropy.throttle.tier1.mailbox_size. The associated delay parameter appears to match.
Additionally, see the reference to mailbox in the following description column for search.anti_entropy.throttle.$tier.delay.
On the configuration reference page: http://docs.basho.com/riak/kv/2.2.0/configuring/reference/
The
search.anti_entropy.throttle.$tier.solrq_queue_lengthparameter appears to be referenced asmailboxin the description column, eg:anti_entropy.throttle.tier1.mailbox_size. The associateddelayparameter appears to match.Additionally, see the reference to
mailboxin the following description column forsearch.anti_entropy.throttle.$tier.delay.