https://www.auul.pri.ee/wiki/index.php?action=history&feed=atom&title=Httperf_kasutamine 2026-05-03T17:39:47Z Selle lehekülje redigeerimiste ajalugu MediaWiki 1.39.13 https://www.auul.pri.ee/wiki/index.php?title=Httperf_kasutamine&diff=757&oldid=prev 2023-10-16T10:24:44Z

<p>Uus lehekülg: &#039;===Sissejuhatus=== httperf http://www.hpl.hp.com/research/linux/httperf/ ... Käesolevas tekstis kirjeldatakse httperf programmi kasutamist ning asjakohased operatsioonisüsteemi osas muudatusi. Ei käsitleta veebiserveri tuunimist. ===Mõisted=== * num-conns (tcp ühendused) - hea jälgida nt selliselt # tcpdump -nli eth0 &#039;tcp[13] &amp; 2 != 0&#039; and dst 192.168.110.149 and port 80 | nl # timeout 5 tcpdump -nli eth0 &#039;tcp[13] &amp; 2 != 0&#039; and dst 192.168.110.149 and port 80 |...&#039;</p> <p><b>Uus lehekülg</b></p><div>===Sissejuhatus===<br /> <br /> httperf http://www.hpl.hp.com/research/linux/httperf/ ...<br /> <br /> Käesolevas tekstis kirjeldatakse httperf programmi kasutamist ning asjakohased operatsioonisüsteemi osas muudatusi. Ei käsitleta veebiserveri tuunimist.<br /> <br /> ===Mõisted===<br /> <br /> * num-conns (tcp ühendused) - hea jälgida nt selliselt<br /> <br /> # tcpdump -nli eth0 'tcp[13] &amp; 2 != 0' and dst 192.168.110.149 and port 80 | nl<br /> # timeout 5 tcpdump -nli eth0 'tcp[13] &amp; 2 != 0' and dst 192.168.110.149 and port 80 | wc -l<br /> # tail -f /var/log/apache2/test-dw.loomaaed.tartu.ee-access.log | nl<br /> <br /> * num-calls - ühe tcp ühenduse sees esitatud http pärigud<br /> * A session consists of a sequence of bursts which are spaced out by the user think-time.<br /> <br /> ===Koormustest===<br /> <br /> * num-conn ja num-calls kasutamine<br /> <br /> $ httperf --hog --server test-dw.loomaaed.tartu.ee --uri=/doku.php --num-conn 20 --num-calls 4 --ra 5 --timeout 5 <br /> httperf --hog --timeout=5 --client=0/1 --server=test-dw.loomaaed.tartu.ee --port=80 --uri=/doku.php --rate=5 \<br /> --send-buffer=4096 --recv-buffer=16384 --num-conns=20 --num-calls=4<br /> Maximum connect burst length: 1<br /> <br /> Total: connections 20 requests 80 replies 80 test-duration 4.734 s<br /> <br /> Connection rate: 4.2 conn/s (236.7 ms/conn, &lt;=6 concurrent connections)<br /> Connection time [ms]: min 540.0 avg 860.1 max 1121.3 median 894.5 stddev 161.7<br /> Connection time [ms]: connect 49.0<br /> Connection length [replies/conn]: 4.000<br /> <br /> Request rate: 16.9 req/s (59.2 ms/req)<br /> Request size [B]: 81.0<br /> <br /> Reply rate [replies/s]: min 0.0 avg 0.0 max 0.0 stddev 0.0 (0 samples)<br /> Reply time [ms]: response 134.8 transfer 68.0<br /> Reply size [B]: header 602.0 content 8951.0 footer 2.0 (total 9555.0)<br /> Reply status: 1xx=0 2xx=80 3xx=0 4xx=0 5xx=0<br /> <br /> CPU time [s]: user 0.97 system 3.75 (user 20.5% system 79.2% total 99.6%)<br /> Net I/O: 159.0 KB/s (1.3*10^6 bps)<br /> <br /> Errors: total 0 client-timo 0 socket-timo 0 connrefused 0 connreset 0<br /> Errors: fd-unavail 0 addrunavail 0 ftab-full 0 other 0<br /> <br /> * wlog kasutamine<br /> <br /> $ httperf --hog --server test-dw.loomaaed.tartu.ee --wlog=y,p.log --num-conn 20 --num-calls 4 --ra 5 --timeout 5<br /> <br /> kus p.log sisu moodustatakse skriptiga<br /> <br /> $ cat p.pl<br /> #!/usr/bin/perl<br /> <br /> open (fh, 'src');<br /> @read=&lt;fh&gt;;<br /> foreach $rida(@read) {<br /> chomp $rida;<br /> print &quot;$rida\0&quot;;<br /> }<br /> <br /> ja src fail sisaldab<br /> <br /> /doku.php<br /> /lib/exe/css.php?s=all&amp;t=monobook&amp;tseed=1291763384<br /> /lib/exe/css.php?s=print&amp;t=monobook&amp;tseed=1291763384<br /> /lib/exe/css.php?t=monobook&amp;tseed=1291763384<br /> /lib/exe/js.php?tseed=1291763384<br /> /lib/tpl/monobook/static/3rd/monobook/headbg.jpg<br /> /lib/tpl/monobook/static/img/button-rss.png<br /> /lib/tpl/monobook/static/img/button-donate.gif<br /> /lib/tpl/monobook/static/img/button-monobook.png<br /> /lib/tpl/monobook/static/img/button-dw.png<br /> /lib/tpl/monobook/static/3rd/dokuwiki/logo.png<br /> /lib/tpl/monobook/static/3rd/monobook/external.png<br /> /lib/tpl/monobook/static/3rd/monobook/bullet.gif<br /> /lib/tpl/monobook/static/3rd/monobook/user.gif<br /> /lib/tpl/monobook/user/button-xhtml.png<br /> /lib/exe/indexer.php?id=start&amp;1291794466<br /> <br /> $ perl p.pl &gt; p.log<br /> <br /> * wsess kasutamine<br /> <br /> $ httperf --hog --server test-dw.loomaaed.tartu.ee --uri=/doku.php --wsess=40,16,6 --burst-length 4 --ra 4<br /> httperf --hog --client=0/1 --server=test-dw.loomaaed.tartu.ee --port=80 --uri=/doku.php --rate=4 \<br /> --send-buffer=4096 --recv-buffer=16384 --wsess=40,16,6.000 --burst-length=4<br /> <br /> ===httperf tuunimine===<br /> <br /> ====Operatsioonisüsteem====<br /> <br /> # echo 1 &gt; /proc/sys/net/ipv4/tcp_tw_recycle<br /> # echo 1 &gt; /proc/sys/net/ipv4/tcp_tw_reuse<br /> <br /> ning<br /> <br /> # ulimit -n 50000<br /> <br /> ====httperf FD_SETSIZE kompileerimine====<br /> <br /> Kui suurendada ulimit -n väärtust üle 1024, siis saab sellise teate<br /> <br /> httperf: warning: open file limit &gt; FD_SETSIZE; limiting max. # of open files to FD_SETSIZE<br /> <br /> Selle ületamiseks tuleb kompileerimisel kasutada suuremat FD_SETSIZE'i. Debian v. 7 64 bit keskkonnas tuleb leida fail<br /> <br /> /usr/include/x86_64-linux-gnu/bits/typesizes.h <br /> <br /> Debian v. 6 64 bit keskkonnas tuleb leida fail<br /> <br /> /usr/include/bits/typesizes.h<br /> <br /> ning muuta seal lõpus FD_SETSIZE suuremaks, nt<br /> <br /> &lt; #define __FD_SETSIZE 1024<br /> &gt; #define __FD_SETSIZE 1024000<br /> <br /> Seejärel kompileerida httperf tavalisel viisil<br /> <br /> # apt-get build-dep httperf<br /> # cd /usr/src<br /> # apt-get source httperf<br /> # apt-get install fakeroot<br /> $ dpkg-buildpackage -rfakeroot<br /> # dpkg -i httperf_0.9.0-2_amd64.deb<br /> <br /> Tulemusena asendatakse paketihaldusest juba paigaldatud tarkvara kompileeritud variandiga.<br /> <br /> Seejärel on ootuspärane saada ca 15k vastust sekundis<br /> <br /> # httperf --hog --server test-dw.loomaaed.tartu.ee --uri=/ --num-conn 2000000 --num-calls 5 --ra 15000<br /> <br /> ===Märkused===<br /> <br /> * http://serverfault.com/questions/331513/httperf-hangs-when-using-hog<br /> * http://gwan.com/en_apachebench_httperf.html<br /> * http://www.hpl.hp.com/hosted/linux/mail-archives/httperf/2003-December/000128.html</div>

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