R

recordsize, ZFS 文件系统属性, 为数据库产品进行 ZFS 调优

recv_buf (SCTP), recv_buf

recv_buf (TCP), recv_buf

recv_buf (UDP), recv_buf

_recv_hiwat_minmss, _recv_hiwat_minmss

reserved_procs, reserved_procs

_respond_to_echo_broadcast, _respond_to_echo_broadcast 和 _respond_to_echo_multicast（ipv4 或 ipv6）

_respond_to_echo_multicast, _respond_to_echo_broadcast 和 _respond_to_echo_multicast（ipv4 或 ipv6）

_rev_src_routes, _rev_src_routes

_rexmit_interval_extra, _rexmit_interval_extra

_rexmit_interval_initial, _rexmit_interval_initial

_rexmit_interval_max, _rexmit_interval_max

_rexmit_interval_min, _rexmit_interval_min

rlim_fd_cur, rlim_fd_cur

rlim_fd_max, rlim_fd_max

rpcmod:clnt_idle_timeout, rpcmod:clnt_idle_timeout

rpcmod:clnt_max_conns, rpcmod:clnt_max_conns

rpcmod:cotsmaxdupreqs, rpcmod:cotsmaxdupreqs

rpcmod:maxdupreqs, rpcmod:maxdupreqs

rpcmod:svc_default_stksize, rpcmod:svc_default_stksize

rpcmod:svc_idle_timeout, rpcmod:svc_idle_timeout

_rst_sent_rate, _rst_sent_rate

_rst_sent_rate_enabled, _rst_sent_rate_enabled

rstchown, rstchown

_rto_max

_rto_max

_rto_initial

_rto_min, _rto_min

rx_copy_threshold, rx_copy_threshold

rx_limit_per_intr, rx_limit_per_intr

rx_queue_number, rx_queue_number

rx_ring_size, rx_ring_size