負荷、ログ解析をしてみる

[fr-sasaki]

https://github.com/fact-real/developers/wiki/%E9%96%8B%E7%99%BA%E7%A0%94%E4%BF%AE-Linux#-5

[fr-sasaki]

https://github.com/fact-real/developers/wiki/%E9%96%8B%E7%99%BA%E7%A0%94%E4%BF%AE-Linux#1

ロードアベレージ

sar -q

	runq-sz	plist-sz	ldavg-1	ldavg-5	ldavg-15
15時10分01秒	0	725	0.07	0.13	0.51
15時20分01秒	0	717	0.44	0.52	0.49
15時30分01秒	0	716	0.16	0.33	0.44
15時40分01秒	0	724	0.71	0.25	0.30
15時50分01秒	0	714	0.35	0.24	0.28
16時00分01秒	0	717	0.08	0.04	0.14
16時10分01秒	0	716	0.04	0.03	0.07
16時20分01秒	0	717	0.00	0.00	0.02
16時30分01秒	0	723	2.01	1.31	0.55
平均値:	0	675	0.13	0.13	0.12

cpu負荷など

sar -P ALL

	CPU	%user	%nice	%system	%iowait	%steal	%idle
16時30分01秒	all	1.13	0.00	0.30	3.59	0.00	94.99
16時30分01秒	0	1.42	0.00	0.45	0.29	0.00	97.83
16時30分01秒	1	0.84	0.00	0.37	0.20	0.00	98.60
16時30分01秒	2	2.75	0.00	0.20	0.02	0.00	97.02
16時30分01秒	3	1.89	0.00	0.34	26.63	0.00	71.15
16時30分01秒	4	0.37	0.00	0.28	0.00	0.00	99.35
16時30分01秒	5	0.35	0.00	0.21	0.08	0.00	99.36
16時30分01秒	6	0.76	0.00	0.25	0.33	0.00	98.66
16時30分01秒	7	0.62	0.00	0.27	1.14	0.00	97.96

16時30分01秒のロードアベレージが上がっている。
原因はディスクI/O

[fr-sasaki]

https://github.com/fact-real/developers/wiki/%E9%96%8B%E7%99%BA%E7%A0%94%E4%BF%AE-Linux#2

sar -W

	kbmemfree	kbmemused	%memused	kbbuffers	kbcached	kbcommit	%commit
16時50分01秒	985064	31796964	97.00	671944	23396528	6209420	16.79
17時00分01秒	968236	31813792	97.05	671988	23400676	6217780	16.82
17時10分01秒	967588	31814440	97.05	672356	23402400	6214648	16.81

17時10分01秒について見ると
空きメモリ容量：967588[KB]
メモリ使用率：97.05%

[fr-sasaki]

https://github.com/fact-real/developers/wiki/%E9%96%8B%E7%99%BA%E7%A0%94%E4%BF%AE-Linux#3

top

PID	USER	PR	NI	VIRT	RES	SHR	S	%CPU	%MEM	TIME+	COMMAND
6106	hirano	20	0	231m	21m	13m	S	7.3	0.1	1:08.20	smbd
41	root	20	0	0	0	0	S	1.0	0.0	140:57.91	events/6
10047	sato	20	0	42904	20m	1276	S	0.7	0.1	11:05.92	tmux
13735	suenami	20	0	15528	1800	956	S	0.7	0.0	71:47.77	top
2623	ueda	20	0	104m	82m	980	S	0.3	0.3	36:39.29	tmux
8391	okamoto	20	0	15500	1400	596	S	0.3	0.0	143:31.80	top
12456	sasaki	20	0	15428	1668	952	S	0.3	0.0	0:14.25	top
13749	root	20	0	0	0	0	S	0.3	0.0	0:53.85	flush-8:0
16340	suenami	20	0	53388	30m	952	S	0.3	0.1	28:32.67	tmux
18807	kuwanou	20	0	1405m	141m	8960	S	0.3	0.4	2:28.91	ruby
32325	suenami	20	0	157m	12m	2816	S	0.3	0.0	0:52.31	vim
32600	suenami	20	0	97864	1988	1036	S	0.3	0.0	0:02.41	sshd

ps aux |grep 6106

USER	PID	%CPU	%MEM	VSZ	RSS	TTY	STAT	START	TIME	COMMAND
hirano	6106	0.3	0.0	238260	22848	?	S	11:09	1:12	smbd -D
kuwanou	26106	0.0	0.0	108960	2464	pts/108	Ss+	14:43	0:00	-bash
sasaki	28282	0.0	0.0	107460	944	pts/158	S+	17:34	0:00	grep 6106

[fr-sasaki]

https://github.com/fact-real/developers/wiki/%E9%96%8B%E7%99%BA%E7%A0%94%E4%BF%AE-Linux#4

df -h

Filesystem	Size	Used	Avail	Use%	マウント位置
/dev/sda3	2.7T	618G	2.0T	24%	/
tmpfs	16G	0	16G	0%	/dev/shm
/dev/sda1	504M	131M	349M	28%	/boot
/dev/sdb1	470G	21G	426G	5%	/extra

残り容量
/dev/sda3：2.0T
/dev/sda1：349M
/dev/sdb1：426G

[fr-sasaki]

https://github.com/fact-real/developers/wiki/%E9%96%8B%E7%99%BA%E7%A0%94%E4%BF%AE-Linux#5

cat access_log |grep '[01/Jan/2010:22:01:04 +0900]'

192.168.0.64	-	-	[04/Apr/2013:13:36:08 +0900]	"GET / HTTP/1.1"	200	44
192.168.0.64	-	-	[04/Apr/2013:13:36:08 +0900]	"GET /favicon.ico HTTP/1.1"	404	209
192.168.0.64	-	-	[04/Apr/2013:13:45:27 +0900]	"GET / HTTP/1.1"	304	-
192.168.0.64	-	-	[04/Apr/2013:13:45:27 +0900]	"GET /favicon.ico HTTP/1.1"	404	209
192.168.0.64	-	-	[04/Apr/2013:14:23:52 +0900]	"GET / HTTP/1.1"	304	-
192.168.0.64	-	-	[04/Apr/2013:14:23:52 +0900]	"GET /favicon.ico HTTP/1.1"	404	209
192.168.0.64	-	-	[04/Apr/2013:17:31:12 +0900]	"GET / HTTP/1.1"	304	-
192.168.0.64	-	-	[04/Apr/2013:17:31:12 +0900]	"GET /favicon.ico HTTP/1.1"	404	209
192.168.0.64	-	-	[04/Apr/2013:19:19:30 +0900]	"GET /test.php HTTP/1.1"	200	17
192.168.0.64	-	-	[04/Apr/2013:19:23:31 +0900]	"GET / HTTP/1.1"	200	44

cat access_log |grep '/index.html'

192.168.0.77	-	-	[16/Apr/2013:17:42:05 +0900]	"GET /index.html HTTP/1.1"	200	9582
192.168.0.77	-	-	[25/Apr/2013:11:54:12 +0900]	"GET /index.html HTTP/1.1"	200	9582
192.168.0.116	-	-	[14/May/2013:13:27:11 +0900]	"GET /~kuwanou/index.html	HTTP/1.1"	403
192.168.0.116	-	-	[14/May/2013:13:27:21 +0900]	"GET /~kuwanou/index.html	HTTP/1.1"	403
192.168.0.116	-	-	[14/May/2013:13:27:22 +0900]	"GET /~kuwanou/index.html	HTTP/1.1"	403
192.168.0.116	-	-	[14/May/2013:13:27:25 +0900]	"GET /~kuwanou/index.html	HTTP/1.1"	403
192.168.0.116	-	-	[14/May/2013:13:27:26 +0900]	"GET /~kuwanou/index.html	HTTP/1.1"	403
192.168.0.116	-	-	[14/May/2013:13:27:26 +0900]	"GET /~kuwanou/index.html	HTTP/1.1"	403
192.168.0.116	-	-	[14/May/2013:13:27:26 +0900]	"GET /~kuwanou/index.html	HTTP/1.1"	403
192.168.0.116	-	-	[14/May/2013:13:27:27 +0900]	"GET /~kuwanou/index.html	HTTP/1.1"	403

cat access_log |awk '{print $7}' |sort |uniq -c |sort -r |head -10

9643	/smart_a/eye-fi/area/test.html
3859	/favicon.ico
3195	/smart_a/
1242	/
929	/ap/resources/images/page_icon_01.gif
909	/hype/css/all/header.css
898	/hype/css/all/footer.css
886	/hype/images/search_icon_01.gif
886	/hype/images/footer_copyright_01.gif
886	/ap/resources/css/all/reset.css?update=20120830