manage parameter for redis 7.x

Author: hdep

templates/redis.conf.epp

@@ -591,7 +591,9 @@ min-slaves-max-lag <%= $min_slaves_max_lag %>
 #
 # With slow disks and fast (large bandwidth) networks, diskless replication
 # works better.
+<%- if Integer($facts['redis_server_version'].split('.')[0]) > 7 -%>
 repl-diskless-sync <%= bool2str($repl_diskless_sync, 'yes', 'no') -%>
+<%- end -%>
 
 ################################## SECURITY ###################################
 
@@ -884,7 +886,9 @@ latency-monitor-threshold <%= $latency_monitor_threshold %>
 #
 # By default, the extended latency monitoring is enabled since the overhead
 # of keeping track of the command latency is very small.
+<%- if Integer($facts['redis_server_version'].split('.')[0]) > 7 -%>
 latency-tracking <%= bool2str($latency_tracking, 'yes', 'no') -%>
+<%- end -%>
 
 ############################# Event notification ##############################