线上memcached服务器启动了很多实例，端口很多，需要对这些端口进行监控，并在端口关闭的情况下自启动。监控脚本如下：
|
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
|
[root@memcache2 ~]
# ps -ef|grep /usr/bin/memcached|grep -v grep
root 6139 1 0 2016 ? 04:49:49
/usr/bin/memcached
-d -m 512 -p 11212 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 6184 1 0 2016 ? 00:29:25
/usr/bin/memcached
-d -m 512 -p 11411 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 6198 1 0 2016 ? 00:29:24
/usr/bin/memcached
-d -m 512 -p 11412 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 6214 1 0 2016 ? 00:30:17
/usr/bin/memcached
-d -m 512 -p 11413 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 6229 1 0 2016 ? 00:29:19
/usr/bin/memcached
-d -m 512 -p 11521 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 6244 1 0 2016 ? 00:29:49
/usr/bin/memcached
-d -m 512 -p 11522 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 6259 1 0 2016 ? 00:09:27
/usr/bin/memcached
-d -m 512 -p 11211 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 6274 1 0 2016 ? 00:09:22
/usr/bin/memcached
-d -m 512 -p 11213 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 6289 1 0 2016 ? 00:29:54
/usr/bin/memcached
-d -m 512 -p 11221 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 6304 1 0 2016 ? 00:29:16
/usr/bin/memcached
-d -m 512 -p 11222 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 12514 1 0 13:00 ? 00:00:00
/usr/bin/memcached
-d -m 512 -p 11321 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 12758 1 0 13:02 ? 00:00:00
/usr/bin/memcached
-d -m 512 -p 11322 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11322
.pid
root 24085 1 0 2016 ? 00:31:33
/usr/bin/memcached
-d -m 512 -p 11311 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11311
.pid
root 24100 1 0 2016 ? 00:31:55
/usr/bin/memcached
-d -m 512 -p 11312 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11312
.pid
root 24115 1 0 2016 ? 00:31:51
/usr/bin/memcached
-d -m 512 -p 11313 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11313
.pid
root 24740 1 0 2016 ? 00:03:20
/usr/bin/memcached
-d -m 512 -p 11811 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11811
.pid
root 24755 1 0 2016 ? 00:03:19
/usr/bin/memcached
-d -m 512 -p 11812 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11812
.pid
root 24770 1 0 2016 ? 00:03:18
/usr/bin/memcached
-d -m 512 -p 11813 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11813
.pid
root 24785 1 0 2016 ? 00:03:18
/usr/bin/memcached
-d -m 512 -p 11814 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11814
.pid
root 24800 1 0 2016 ? 00:03:19
/usr/bin/memcached
-d -m 512 -p 11815 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11815
.pid
root 24815 1 0 2016 ? 00:03:14
/usr/bin/memcached
-d -m 512 -p 11816 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11816
.pid
root 24830 1 0 2016 ? 00:03:17
/usr/bin/memcached
-d -m 512 -p 11817 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11817
.pid
root 24845 1 0 2016 ? 00:03:17
/usr/bin/memcached
-d -m 512 -p 11818 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11818
.pid
root 24860 1 0 2016 ? 00:03:14
/usr/bin/memcached
-d -m 512 -p 11819 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11819
.pid
root 24875 1 0 2016 ? 00:03:18
/usr/bin/memcached
-d -m 512 -p 11820 -u root -c 4096 -P
/var/lib/memcache/logs/memcached_11820
.pid
|
|
1
|
[root@memcache2 ~]
# ps -ef|grep /usr/bin/memcached|grep -v grep|awk -F" " '{print $13}' > /root/memcache_port.list
|
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
[root@memcache2 ~]
# cat /root/memcache_port.list
11212
11411
11412
11413
11521
11522
11211
11213
11221
11222
11321
11322
11311
11312
11313
11811
11812
11813
11814
11815
11816
11817
11818
11819
11820
|
|
1
2
3
4
5
6
7
8
9
10
11
|
[root@memcache2 ~]
# cat memcache_port.sh //脚本权限是755
#!/bin/bash
for
i
in
`
cat
/root/memcache_port
.list`
do
NUM=$(
/usr/sbin/lsof
-i:$i|
wc
-l)
if
[ $NUM -
eq
0 ];
then
/usr/bin/memcached
-d -m 512 -p $i -u root -c 4096 -P
/var/lib/memcache/logs/memcached_
$i.pid
else
echo
"$i is ok"
fi
done
|
|
1
2
|
[root@memcache2 ~]
# crontab -l
* * * * *
/bin/bash
-x
/root/memcache_port
.sh >
/dev/null
2>&1
|
***************当你发现自己的才华撑不起野心时，就请安静下来学习吧***************
分类:
Memcached
本文转自散尽浮华博客园博客，原文链接：http://www.cnblogs.com/kevingrace/p/6277781.html
，如需转载请自行联系原作者
