delete cluster fail time script (#237)

utils/cluster_fail_time.tcl

@@ -1,50 +0,0 @@
-# This simple script is used in order to estimate the average PFAIL->FAIL
-# state switch after a failure.
-
-set ::sleep_time 10     ; # How much to sleep to trigger PFAIL.
-set ::fail_port 30016   ; # Node to put in sleep.
-set ::other_port 30001  ; # Node to use to monitor the flag switch.
-
-proc avg vector {
-    set sum 0.0
-    foreach x $vector {
-        set sum [expr {$sum+$x}]
-    }
-    expr {$sum/[llength $vector]}
-}
-
-set samples {}
-while 1 {
-    exec redis-cli -p $::fail_port debug sleep $::sleep_time > /dev/null &
-
-    # Wait for fail? to appear.
-    while 1 {
-        set output [exec redis-cli -p $::other_port cluster nodes]
-        if {[string match {*fail\?*} $output]} break
-        after 100
-    }
-
-    puts "FAIL?"
-    set start [clock milliseconds]
-
-    # Wait for fail? to disappear.
-    while 1 {
-        set output [exec redis-cli -p $::other_port cluster nodes]
-        if {![string match {*fail\?*} $output]} break
-        after 100
-    }
-
-    puts "FAIL"
-    set now [clock milliseconds]
-    set elapsed [expr {$now-$start}]
-    puts $elapsed
-    lappend samples $elapsed
-
-    puts "AVG([llength $samples]): [avg $samples]"
-
-    # Wait for the instance to be available again.
-    exec redis-cli -p $::fail_port ping
-
-    # Wait for the fail flag to be cleared.
-    after 2000
-}