Document the configurable buffers and workers (#1605)
Document the configurable buffers and workers (#1605)

Signed-off-by: Simon Plourde <088e16a1019277b15d58faf0541e11910eb756f6@sensu.io>
sensu/sensu-docs,sensu/sensu-docs,sensu/sensu-docs,sensu/sensu-docs,sensu/sensu-docs