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Re: Высокий LA и низкая загруженность CPU
To : nginx-ru@xxxxxxxxx
Subject : Re: Высокий LA и низкая загруженность CPU
From : "Serg Senko" <kerncore@xxxxxxxxx >
Date: Mon, 12 Feb 2007 17:22:09 +0200
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References: <14210022186.20070203154802@xxxxxxxxxxxxx >
А ты не с NFS работаешь ?
On 2/3/07, Михаил Монашёв <postmaster@xxxxxxxxxxxxx > wrote:
Здравствуйте nginx-ru, Сложилась непонятная мне ситуация. Процессы похоже чего-то ожидают постоянно. Подскажите пожалуйста, чего именно они ждут и как можно
исправить? >uname -v FreeBSD 6.2-STABLE >vmstat 2 procs memory page disks faults cpu r b w avm fre flt re pi po fr sr da0 da1 in sy cs us sy id
0 12 0 3132612 235568 3533 17 0 0 4034 551 0 0 7681 3736 6746 36 10 54 3 11 0 3197120 210964 6879 0 0 0 4287 0 183 5 30232 20268 7645 27 13 59 1 12 0 3185952 204024 2170 0 0 0 2526 0 34 25 31637 18288 6493 14 8 78
1 11 0 3172796 201860 3100 0 0 0 3840 0 62 7 31437 14755 6638 15 8 77 0 12 0 3138828 218780 3381 0 0 0 5715 0 34 9 31088 13534 5437 18 8 74 0 11 0 3140928 214688 2594 0 0 0 2378 0 76 29 31809 19866 6578 19 7 74
>top last pid: 13968; load averages: 2.60, 2.12, 2.06 up 5+21:31:08 15:27:29 375 processes: 1 running, 374 sleeping CPU states: 13.1% user, 0.4% nice, 4.8% system, 2.0% interrupt, 79.8% idle
Mem: 2183M Active, 1396M Inact, 256M Wired, 153M Cache, 112M Buf, 21M Free Swap: 6144M Total, 6552K Used, 6137M Free PID THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 13956 1 4 0 37276K 33188K accept 2 0:02
7.28% httpd 13958 1 4 0 22496K 21448K accept 0 0:01 5.52% httpd 25351 32 96 0 209M 152M ucond 0 74:10 3.71% mysqld 13862 1 4 0 15800K 14944K accept 2 0:04 3.04% httpd 13896 1 4 0 14624K 13768K accept 2 0:03
2.57% httpd 13849 1 4 0 37248K 33260K accept 0 0:02 0.93% httpd >systat -vm 2 users Load 2.66 2.18 2.16 3 фев 15:29 Mem:KB REAL VIRTUAL VN PAGER SWAP PAGER
Tot Share Tot Share Free in out in out Act 2267216 178724 3182748 195584 190428 count All 2420620 190476 5422480 213464 pages Proc: Interrupts
r p d s w Csw Trp Sys Int Sof Flt 70 cow 8097 total 1 5 350 11k 6218 31k 63k 1385 4964 4852 zfod em0 irq30 4811 ozfod 97 ahd1 irq49
6.3%Sys 1.5%Intr 15.8%User 0.0%Nice 76.4%Idle 99%ozfod ahd0 irq50 | | | | | | | | | | | daefr 4000 cpu0: time ===+>>>>>>>> 6 prcfr cpu3: time
465 dtbuf 4616 totfr cpu1: time Namei Name-cache Dir-cache 100000 desvn react 4000 cpu2: time Calls hits % hits % 63092 numvn pdwak
12007 11941 99 24833 frevn pdpgs intrn Disks da0 da1 da2 263808 wire KB/t 14.93 50.25 55.04
2252644 act tps 27 11 5 1398252 inact MB/s 0.40 0.56 0.27 145564 cache %busy 11 11 4 44864 free
114784 buf >sysctl -a | grep kern.polling kern.polling.idlepoll_sleeping: 1 kern.polling.stalled: 4 kern.polling.suspect: 839617 kern.polling.phase
: 0 kern.polling.enable: 0 kern.polling.handlers: 1 kern.polling.residual_burst: 0 kern.polling.pending_polls: 0 kern.polling.lost_polls: 1160401 kern.polling.short_ticks: 2457 kern.polling.reg_frac: 20
kern.polling.user_frac: 50 kern.polling.idle_poll: 0 kern.polling.each_burst: 5 kern.polling.burst_max: 150 kern.polling.burst: 145 >netstat -m 1957/1013/2970 mbufs in use (current/cache/total)
790/372/1162/33792 mbuf clusters in use (current/cache/total/max) 790/304 mbuf+clusters out of packet secondary zone in use (current/cache) 0/0/0/0 4k (page size) jumbo clusters in use (current/cache/total/max)
0/0/0/0 9k jumbo clusters in use (current/cache/total/max) 0/0/0/0 16k jumbo clusters in use (current/cache/total/max) 2069K/997K/3066K bytes allocated to network (current/cache/total) 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
0/0/0 requests for jumbo clusters denied (4k/9k/16k) 783/1662/8704 sfbufs in use (current/peak/max) 0 requests for sfbufs denied 0 requests for sfbufs delayed 2318691 requests for I/O initiated by sendfile
11993 calls to protocol drain routines >iostat 2 tty da0 da1 da2 cpu tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id
0 143 18.36 42 0.74 46.19 23 1.03 49.24 13 0.65 22 13 9 2 54 0 207 20.15 26 0.51 0.00 0 0.00 36.17 11 0.41 17 1 9 0 73 0 496 19.40 42 0.80 65.78 4 0.29 25.59 48 1.21 21 1 10 1 68
0 404 16.57 54 0.88 50.00 4 0.20 42.18 5 0.23 20 0 6 1 73 0 313 9.56 41 0.38 0.00 0 0.00 49.23 6 0.31 23 0 6 1 70 0 38 15.22 33 0.50 45.89 38 1.70 24.00 2 0.05 17 0 9 0 73
0 404 21.76 41 0.88 51.76 25 1.29 58.67 6 0.34 12 0 8 1 79 >netstat -Lan | grep 80 tcp4 0/0/128 127.0.1.18.80 tcp4 10/0/128 127.0.1.17.80 tcp4 0/0/128 127.0.1.16.80
tcp4 0/0/128 127.0.1.15.80 tcp4 0/0/128 127.0.1.14.80 tcp4 0/0/128 127.0.1.13.80 tcp4 0/0/128 127.0.1.12.80 tcp4 0/0/128 127.0.1.10.80 tcp4 0/0/128 127.0.1.11.80
tcp4 0/0/128 127.0.1.8.80 tcp4 0/0/128 127.0.1.5.80 tcp4 0/1/128 127.0.1.6.80 tcp4 0/0/128 127.0.1.4.80 tcp4 0/0/128 127.0.1.2.80 tcp4 0/0/128 217.16.26.114.80
tcp4 0/0/128 217.16.27.103.80 tcp4 0/0/128 217.16.27.104.80 С уважением, Михаил Монашёв, SoftSearch.ru Member of Independent Software Developers Forum (ISDEF) mailto:
postmaster@xxxxxxxxxxxxx ICQ# 166233339http://softsearch.ru/ Без бэкапа по жизни. -- ttyv0 "/usr/libexec/gmail Pc" webcons on secure