1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
#
# Miscellaneous functions
#
# Sleeps variable amount of seconds (by default 1-10)
pause() #min_sleep #var_sleep
{
local min_sleep=${1:-"1"}
local var_sleep=${2:-"10"}
local p=$(( $RANDOM % var_sleep + min_sleep ))
echo "Sleeping for $p sec."
sleep $p
}
# Pauses given processes (load) to perform consistency check
consistency_check() #pids
{
local ret=0
local pids="$@"
[ -n "$pids" ] && kill -STOP $pids
sleep 1
check || (sleep 2; check) || (sleep 3; check) || ret=$?
[ -n "$pids" ] && kill -CONT $pids # processes will receive SIGHUP in case of script exit
return $ret
}
find_mysqld_pid()
{
ps ax | grep mysqld | grep -w ^\ *$1 > /dev/null
}
|
