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¾ÆÆÄÄ¡ ¼º´É Å×½ºÆ® °èȹ


Å×½ºÆ® ȯ°æ

OS  : Red Hat Enterprise Linux AS release 4 (Nahant)

Kernel Version : 2.6.9-5.ELsmp

CPU & Cache : 2 Xeon(TM) CPU 3.06GHz 3057MHz, 512 KB Cache

Memory :¡¡ 2G

Swap : 4G

Web server : Apache Http Server 2.0.52

Web test tool : ab, Httperf, flood


Å×½ºÆ® °èȹ

rpm ¼³Ä¡ÈÄ ±âº» »óÅ¿¡¼­ ¼³Ä¡µÈ À¥¼­¹ö¿¡ µ¿½Ã Á¢¼ÓÀÚ 1000 ¸íÀÌ 1000 ¹øÀÇ ¿äûÀ» ÇÏ´Â °æ¿ì¸¦ Å×½ºÆ®ÇÏ¿© À¥¼­¹öÀÇ ¼º´ÉÀ» ÃøÁ¤ÇÑ´Ù.

´Ù¾çÇÑ È¯°æ¼³Á¤À» º¯°æÇؼ­ À¥¼­¹ö¸¦ Æ©´×ÇÑ ÀÌÈÄ ´Ù½Ã µ¿ÀÏÇÑ È¯°æÀ¸·Î Å×½ºÆ®Çؼ­ ½ÇÁ¦ÀûÀÎ ¼º´ÉÇâ»óÀÌ ÀÖ´ÂÁö¸¦ Á¡°ËÇÑ´Ù.


Å×½ºÆ® ÄÉÀ̽º

1) ab -n 1000 -c 1000 -t 10 http://210.183.235.95/

2) httperf --server 210.183.235.95 --port 80 --rate 1000 --num-conns 20000 --hog

3) flood floodconf..xml > result.out (floodconf.xml ÆÄÀÏ¿¡ ȯ°æ¼³Á¤)

±âº»¼³Ä¡ÈÄ ¾ÆÆÄÄ¡ ¼º´É Å×½ºÆ®


À¥»çÀÌÆ®°¡ ´À¸®¸é °í°´Àº ¹Ù·Î ´Ù¸¥ »çÀÌÆ®·Î À̵¿Çϱ⠸¶·ÃÀÌ´Ù.

µû¶ó¼­ ±â¾÷Àº °í°´À» È®º¸, À¯ÁöÇϱâ À§ÇØ À¥»çÀÌÆ®ÀÇ ¼º´ÉÀ» ÃÖ»óÀÇ »óÅ·ΠÀ¯ÁöÇØ¾ßÇϸç ÀÌ·Î ÀÎÇØ À¥»çÀÌÆ®ÀÇ ¼º´ÉÀ» Áø´ÜÇÏ°í ºÐ¼®ÇÏ´Â µµ±¸µé¿¡ ´ëÇØ¼­ ¸¹Àº °ü½ÉÀ» °¡Áö°í ÀÖÀ¸¸ç ÇöÀç ±â¾÷µé¸¶´Ù ´Ù¾çÇÑ ¹æ¹ýµé·Î ¼º´ÉÀ» °ü¸®Çϰí ÀÖ´Ù.

»ó¿ë SW

°ø°³ SW

¡Ü WEBest

¡Ü SiteAngel 

¡Ü sitemonitor

¡Ü WatchPro/TestPro 

¡Ü WEBest

¡Ü ab

¡Ü Flood

¡Ü Httperf

¡Ü Hammerhead

¡Ü Web Performance Tool (WPT)

Ç¥ 1. <À¥¼­¹ö ¼º´ÉÅ×½ºÆ® ÇÁ·Î±×·¥ ºñ±³>


À¥¼­¹öÀÇ ¼º´ÉÀ» ÃøÁ¤Çϱâ À§Çؼ­ ¸ÕÀú °ø°³SW º¥Ä¡¸¶Å© ÇÁ·Î±×·¥ ab, Flood, Httperf ¿¡ ´ëÇØ¼­ ¾Ë¾Æº¸±â·Î ÇÏÀÚ.


ab

ab´Â "Apache HTTP server Benchmarking tool" ÀÇ ¾à¾î·Î¼­ ¾ÆÆÄÄ¡¼­¹öÀÇ ÀÀ´ä¼Óµµ¸¦ ÃøÁ¤ÇÏ´Â ¹êÄ¡¸¶Å·ÅøÀÌ´Ù. ÀÌ ÅøÀº ÇöÀç ¼³Ä¡µÈ ¾ÆÆÄÄ¡¼­¹öÀÇ ½ÇÇà¼Óµµ ¹× ¼º´ÉÅ×½ºÆ®¸¦ À§Çؼ­ Á¦¿ì½ºÅ×Å©³Î¸®Áö(Zeus Technology Ltd, http://www.zeustech.net/)ÀÇ Adam Twiss°¡ °³¹ßÇÑ ÅøÀ̸ç. ¾ÆÆÄÄ¡¸¦ ¼³Ä¡ÇÏ°í ³ª¸é ±âº»ÀûÀ¸·Î ¼³Ä¡µÇ¹Ç·Î º°µµÀÇ ¼³Ä¡ °úÁ¤ ¾øÀÌ ¹Ù·Î »ç¿ëÇÒ ¼ö ÀÖ´Ù.

¸í·É¾îÀ§Ä¡: /usr/local/apache/bin/ab            

(RPM¼³Ä¡½Ã : /usr/bin/ab)


¾Æ·¡´Â ab¸¦ ÀÌ¿ëÇØ¼­ -c(Çѹø¿¡¼öÇàÇÒ ´ÙÁ߿䱸¼ö) °ªÀ» 1000À¸·ÎÇϰí, -n(ÆäÀÌÁö¿äû¼ö) °ªÀ» 1000 À¸·Î ÇÏ¿´À¸¸ç -t(Å×½ºÆ®Çã¿ë ÃÖ´ë½Ã°£)°ªÀ» 10À¸·Î ÁÖ´Â ¿¹ÀÌ´Ù.


[root@www ~]# ab -c 1000 -n 1000 -t 10 http://210.183.235.95/

This is ApacheBench, Version 2.0.41-dev <$Revision: 1.141 $> apache-2.0

Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Copyright (c) 1998-2002 The Apache Software Foundation, http://www.apache.org/


Server Software:        Apache/2.0.52

Server Hostname:        210.183.235.95

Server Port:            80


Document Path:          /

Document Length:        440 bytes


Concurrency Level:      1000

Time taken for tests:   10.6038 seconds

Complete requests:      13416

Failed requests:        0

Write errors:           0

Total transferred:      8176434 bytes

HTML transferred:       5907440 bytes

Requests per second:    1340.79 [#/sec] (mean)

Time per request:       745.829 [ms] (mean)

Time per request:       0.746 [ms] (mean, across all concurrent requests)

Transfer rate:          797.92 [Kbytes/sec] received


Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        1  286 1301.0      4    9005

Processing:    21  148 467.1     95    6437

Waiting:       17  135 424.3     87    6434

Total:         57  434 1457.6    108    9703


Percentage of the requests served within a certain time (ms)

  50%    108

  66%    120

  75%    127

  80%    135

  90%    179

  95%   3076

  98%   9068

  99%   9076

 100%   9703 (longest request)


ab ÀÇ ÃøÁ¤°á°ú¿¡¼­ ´ÙÀ½°ú °°Àº ³»¿ëÀ» ºÐ¼®ÇÒ¼ö ÀÖ´Ù.

Server Software

¾ÆÆÄÄ¡¹öÀüÀ» Ç¥½Ã

Server Hostname

ƯÁ¤»çÀÌÆ®ÀÇ À̸§(µµ¸ÞÀθí)

Server Port

À¥¼­ºñ½º »ç¿ëÆ÷Æ®¹øÈ£

Document Path

Ãʱ⠹®¼­°¡ ÁØÀçÇÏ´Â À¥¹®¼­ rootÀ§Ä¡

Time take for tests

ÀÀ´ä½Ã°£(¸Å¿ì Áß¿äÇÑ °á°ú °ªÀÓ)

Document Length

Ãʱ⹮¼­(´ëºÎºÐ index.html, index.htm)ÀÇ ¿ë·®Å©±â

Complete requests

¿ä±¸¿¡ ÀÀ´ä¿Ï·áÇÑ ¼¼¼Ç¼ö

Failed requests

¿ä±¸¿¡ ÀÀ´ä½ÇÆÐÇÑ ¼¼¼Ç¼ö

Broken pipe errors

½ÇÆÐÇÑ ¿¡·¯¼ö

Total transferred

ÃÑ Àü¼Û¹ÙÀÌÆ®¼ö

HTTP transferred

ÃÑ Àü¼ÛÇÑ HTML¹ÙÀÌÆ®¼ö

Requests per second

ÃÊ´çÀÀ´ä¿ä±¸¼ö

Time per request

¿ä±¸¿¡ ÀÀ´äÇÑ ½Ã°£(´ÜÀ§ micro second, Áß¿äÇÑ °á°ú°ª)

Time per request

¿ä±¸¿¡ ÀÀ´äÇÑ ½Ã°£

Transfer rate

ÃÊ´çÀü¼Û°¡´ÉÇÑ ¿ë·®

Ç¥ 2. <ab ÀÇ °á°úºÐ¼®>



Httperf


Httperf ÅøÀº ¿äûÀÌ ¹ß»ýÇÏ´Â ºñÀ², ÃÑ ¿¬°á ¼ö, ŸÀӾƿô ÇÑ°è µîÀ» Á¦¾îÇÒ ¼ö ÀÖ´Ù.

´Ù¿î·Îµå´Â http://www.hpl.hp.com/research/linux/httperf/ ¿¡¼­ °¡´ÉÇÏ¸ç ¼³Ä¡´Â ÀϹÝÀûÀÎ ¼Ò½º¼³Ä¡¹ý°ú µ¿ÀÏÇÏ°Ô ./configure ; make; make install ·Î ÁøÇàÇÒ¼ö ÀÖ´Ù.

»ç¿ëÇÒ ¼ö ÀÖ´Â ¿É¼ÇÀº ¾Æ·¡¿Í °°´Ù

--server ¼­¹öÁÖ¼Ò

¿©±â¿¡ Àû¾î ÁØ ¼­¹ö·Î Á¢¼ÓÀ» ½ÃµµÇÑ´Ù

--port ¼ýÀÚ

¿©±â¿¡ Àû¾î ÁØ Æ÷Æ®·Î Á¢¼ÓÀ» ½ÃµµÇÑ´Ù

--num-conns ¼ýÀÚ

ÃÑ ¸î°³ÀÇ Á¢¼ÓÀ» ¸¸µé °ÍÀÎÁö¸¦ °áÁ¤ÇÑ´Ù.

--rate ¼ýÀÚ

ÃÊ´ç ¸î°³ÀÇ Á¢¼ÓÀ» ¸¸µé °ÍÀÎÁö¸¦ °áÁ¤ÇÑ´Ù.

--timeout ¼ýÀÚ

¼ýÀÚ¸¸Å­ÀÇ ÃÊ ÀÌÈÄ ÀÀ´äÀÌ ¾ø´Â ¿¬°áÀº timeout ¿¡·¯·Î ó¸®ÇÑ´Ù.

--think-timeout ¼ýÀÚ

CGIµî ¼­¹öÂÊ¿¡¼­ ó¸®ÇØ¾ß ÇÏ´Â ÀϵéÀÌ ÀÖ´Â ÆäÀÌÁöÀÇ °æ¿ì ¼­¹öÃø¿¡ À̸¦ ó¸®ÇÒ ½Ã°£À» ÁØ´Ù. timeout¿¡¼­ À̰÷¿¡ ÁÖ¾îÁø ¼ýÀÚ¸¸Å­À» ´õÇÑ °ªÀÌ ÁøÂ¥ timeout°ªÀÌ µÈ´Ù.

--hog

°¡´ÉÇÑ ¸ðµç Æ÷Æ®¸¦ »ç¿ëÇÑ´Ù. ÀÌ ¿É¼ÇÀ» ÁÖÁö ¾ÊÀ¸¸é ±âº»ÀûÀ¸·Î 1024ºÎÅÍ 5000±îÁöÀÇ Æ÷Æ®¸¸ »ç¿ëÇÑ´Ù.

Ç¥ 3.<httperf ÀÇ ÁÖ¿ä¿É¼Ç>


¾Æ·¡ ¿¹Á¦´Â 210.183.235.95 À¥¼­¹öÀÇ 80¹ø Æ÷Æ®·Î 1ÃÊ¿¡ 1000°³¾¿ ÃÑ 20000°³ÀÇ Á¢¼ÓÀ» ¸¸µé°Ô µÈ´Ù.

[root@www ~]# httperf --server 210.183.235.95 --port 80 --rate 1000 --num-conns 20000 --hog

httperf --hog --client=0/1 --server=210.183.235.95 --port=80 --uri=/ --rate=1000 --send-buffer=4096 --recv-buffer=16384 --num-conns=20000 --num-calls=1

Maximum connect burst length: 8


Total: connections 20000 requests 20000 replies 20000 test-duration 20.000 s


Connection rate: 1000.0 conn/s (1.0 ms/conn, <=540 concurrent connections)

Connection time [ms]: min 0.3 avg 70.5 max 3006.4 median 1.5 stddev 422.3

Connection time [ms]: connect 60.8

Connection length [replies/conn]: 1.000


Request rate: 1000.0 req/s (1.0 ms/req)

Request size [B]: 65.0


Reply rate [replies/s]: min 978.7 avg 1000.0 max 1021.5 stddev 17.5 (4 samples)

Reply time [ms]: response 9.6 transfer 0.0

Reply size [B]: header 169.0 content 440.0 footer 0.0 (total 609.0)

Reply status: 1xx=0 2xx=20000 3xx=0 4xx=0 5xx=0


CPU time [s]: user 3.83 system 14.57 (user 19.2% system 72.9% total 92.0%)

Net I/O: 658.2 KB/s (5.4*10^6 bps)


Errors: total 0 client-timo 0 socket-timo 0 connrefused 0 connreset 0

Errors: fd-unavail 0 addrunavail 0 ftab-full 0 other 0


Flood - a profile-driven HTTP load tester

Flood ´Â ¾ÆÆÄÄ¡ ÇÁ·ÎÁ§Æ® ÇÏÀ§ÀÇ ÇÁ·ÎÁ§Æ®ÀÌ´Ù

XML ¼³Á¤ÆÄÀÏÀ» ÇÊ¿ä·Î Çϸç, URL °ú POST data ¸¦ ¿©·¯ ¼­¹öµé¿¡ Å×½ºÆ®ÇÒ¼ö ÀÖ´Ù.


ÇöÀç Flood ´Â Subversion À¸·Î °ü¸®µÇ°í ÀÖÀ¸¸ç ¼³Ä¡½Ã¿¡ ÀÚµ¿À¸·Î ¼Ò½º µð·ºÅ丮 ÇÏÀ§¿¡¼­ apr °ú apr-util ÆÐŰÁö¸¦ ãÀ¸¹Ç·Î ¾Æ·¡Ã³·³ üũ¾Æ¿ôÇØ¼­ ¼³Ä¡ÇÏ¸é µÈ´Ù.

¸¸ÀÏ apr °ú apr-utilÀ» ÀÌ¹Ì ¹Þ¾Æ¿Â »óŶó¸é  configure ÇÒ¶§ --with-apr and --with-apr-util ¿É¼ÇÀ» »ç¿ëÇØ¼­ °æ·Î¸¦ ÁöÁ¤ÇØÁÖ¸é µÈ´Ù


 % svn co http://svn.apache.org/repos/asf/httpd/test/trunk/flood

 % cd flood

 % svn co http://svn.apache.org/repos/asf/apr/apr/trunk apr

 % svn co http://svn.apache.org/repos/asf/apr/apr-util/trunk apr-util


 % ./buildconf

 % ./configure --disable-shared

 % make all

¼³Ä¡°¡ Á¤»óÀûÀ¸·Î ÁøÇàµÇ¾úÀ¸¸é ¼³Ä¡ÇÑ µð·ºÅ丮¿¡¼­ ¾Æ·¡Ã³·³ È®ÀÎÇÒ¼ö ÀÖ´Ù

 % ./flood examples/round-robin.xml > foo.out


°á°ú ÆÄÀÏÀ» ´Ù¸¥ÇÁ·Î±×·¥¿¡¼­ Ȱ¿ëÇÏ°í ½ÍÀº °æ¿ì´Â 

% ./examples/analyze-relative foo.out ¸¦ ½ÇÇàÇØº¸¸é Âü°íÇÒ¼ö ÀÖ´Ù.

analyze-relative ÆÄÀÏÀº Å×½ºÆ® °á°ú°ªÀ» °¡°øÇÏ´Â °£´ÜÇÑ ½ºÅ©¸³Æ®ÀÌ´Ù.


Flood ¿¡ ´ëÇØ¼­ º¸´Ù »ó¼¼ÇÑ Á¤º¸¸¦ ¿øÇÑ´Ù¸é http://httpd.apache.org/test/flood/faq.html ¸¦ ¹æ¹®ÇÏÀÚ.

¾Æ·¡´Â floodconf.xml ÆÄÀÏÀ» ÀÌ¿ëÇØ¼­ Å×½ºÆ® ÇÏ´Â ºÎºÐÀÌ´Ù. xmlÇü½ÄÀÇ È¯°æ¼³Á¤ ÆÄÀÏÀ» ¼³Á¤ÇÏ´Â ¹æ¹ýÀº http://httpd.apache.org/test/flood/ ¸¦ ¹æ¹®Çؼ­ Âü°íÇϱ⠹ٶõ´Ù.


[root@www ~]# flood floodconf.xml > result.out

[root@www ~]# ./analyze-relative result.out

Slowest pages on average (worst 5):

   Average times (sec)

connect write   read    close   hits    URL

0.0018  0.0019  0.0081  0.0082  29126   http://210.183.235.95/

Requests: 29127 Time: 0.80 Req/Sec: 41776.74




¼³Á¤º¯°æÀ» ÅëÇÑ ¾ÆÆÄÄ¡ ¼º´É ÃÖÀûÈ­

¾ÆÆÄÄ¡´Â httpd.conf ÆÄÀÏÀ» ÀÌ¿ëÇØ¼­ ¼º´É°ú ¾ÈÁ¤¼º ±×¸®°í º¸¾ÈÀ» °¢°¢ ±¸ÇöÇÒ¼ö ÀÖ´Ù. ÀÌÁ¦ºÎÅÍ ¸®´ª½º¿¡¼­ ¾ÆÆÄÄ¡ À¥¼­¹ö¸¦ ÃÖ»óÀÇ »óÅ·Π¿î¿ëÇϱâ À§ÇÏ¿© ¼º´ÉÀ» Çâ»ó½Ãų¼ö ÀÖ´Â ¾ÆÆÄÄ¡ÀÇ ¼³Á¤ Áö½ÃÀÚµéÀ» »ìÆìº¸±â·Î ÇÏÀÚ.


Timeout

Á¢¼ÓµÈ Ŭ¶óÀÌ¾ðÆ®°¡ ¼­¹ö¿¡ ¾Æ¹«·± ¿äûÀÌ ¾øÀ» ¶§ ¾î´ÀÁ¤µµ ½Ã°£ÀÌ Áö³ª¸é ¿¬°áÀ» ²÷À»Áö¸¦ ÃÊ´ÜÀ§·Î ¼³Á¤ÇÑ´Ù. ³×Æ®¿÷ÀÇ ¼º´ÉÀÌ ³·À»¼ö·Ï ÀÌ ¼öÄ¡¸¦ ³ô°Ô ¼³Á¤ÇÏ´Â °ÍÀÌ ÁÁ´Ù.


MaxClients

À¥¼­¹ö ¼º´É¿¡ °¡Àå Å« ¿µÇâÀ» ÁÖ´Â °ÍÀº ¸Þ¸ð¸®´Ù. ¹æ¹®ÀÚÀÇ ¿äû¿¡ ÀÀ´äÇϱâ À§Çؼ­ ÇÁ·Î¼¼½º°¡ »ý¼ºµÇ´ÂµÇ ÀÌ Áö½ÃÀÚÀÇ °³¼ö¸¸Å­¸¸ »ý¼º°¡´ÉÇÏ´Ù. ¿©±â¼­ ÁöÁ¤ÇÑ °³¼ö ÀÌ»óÀÇ ¿äûÀÌ µé¾î¿À¸é ¾ÆÆÄÄ¡´Â ¿äûÀ» ¹«½ÃÇÑ´Ù.

MaxClients Áö½Ã¾î¸¦ Á¶ÀýÇÏ¿© À¥¼­¹ö°¡ ½º¿ÒÀ» ÇÒ Á¤µµ·Î ¸¹Àº ÇÁ·Î¼¼½º¸¦ ¸¸µéÁö ¾Êµµ·Ï ÇØ¾ß ÇÑ´Ù. ½º¿ÒÀº ¿äû´ç Áö¿¬½Ã°£À» ´Ã¸®±â ¶§¹®¿¡ À¥¼­¹ö´Â ½º¿ÒÀ» ÇÏ¸é ¾ÈµÈ´Ù. topÀ¸·Î ÇÁ·Î¼¼½º ¸ñ·ÏÀ» º¸°í ¾ÆÆÄÄ¡ ÇÁ·Î¼¼½ºÀÇ Æò±Õ ¸Þ¸ð¸® »ç¿ë·®À» ¾Ë¾Æ³½ÈÄ, »ç¿ë°¡´ÉÇÑ ¸Þ¸ð¸®ÀÇ ¾ç¸¸Å­ Á¶ÀýÇØÁØ´Ù


KeepAlive

¾ÆÆÄÄ¡ÀÇ ÇÑ ÇÁ·Î¼¼½º°¡ Á¢¼ÓÇÑ Å¬¶óÀ̾ðÆ®ÀÇ Áö¼ÓÀûÀÎ ¿äûÀÛ¾÷À» °è¼ÓÇØ¼­ ó¸®ÇÏ°Ô ÇÒ °ÍÀÎÁö¸¦ °áÁ¤ÇÏ´Â Áö½ÃÀÚ. ÀÌ Áö½ÃÀÚÀÇ °ªÀ» OnÀ¸·Î µÇ¾î ÀÖ¾î¾ß MaxKeepAliveRequests , KeepAliveTimeout Áö½ÃÀÚ°¡ À¯È¿ÇÏ°Ô µÈ´Ù


MaxKeepAliveRequests

ÀÌÀüÀÇ KeepAlive Áö½Ã¾î°¡ On À϶§¸¸ À¯È¿ÇÏ´Ù. KeepAlive ¸¦ ÀÌ¿ëÇØ¼­  ÇÑ ÇÁ·Î¼¼½º°¡ Á¢¼ÓÇÑ Å¬¶óÀξðÆ®ÀÇ À̾îÁö´Â ¿äûÀ» ¸ðµÎ ó¸®Çϵµ·Ï ¼³Á¤Çߴµ¥, À̶§ ¹«ÇÑÁ¤ °è¼Ó ó¸®Çϴ°ÍÀÌ ¾Æ´Ï¶ó ÀÌ Áö½ÃÀÚ¸¦ ÀÌ¿ëÇØ¼­ ó¸®ÇÒ È½¼ö¸¦ ÁöÁ¤ÇØÁØ´Ù. MaxKeepAliveRequests 100 ó·³ ¼³Á¤Çصθé ÇÁ·Î¼¼½º°¡ 100¹øÀÇ ¿äûÀ» ó¸®ÇÑÈÄ ÀÚ½ÅÀº Á×°í ±×´ÙÀ½ ÇÁ·Î¼¼½º°¡ ´Ù½Ã Ŭ¶óÀξðÆ®ÀÇ ¿äûÀ» À̾ ó¸®Çϵµ·Ï Çϴ°ÍÀÌ´Ù. ¹æ¹®ÀÚ°¡ ¸¹Àº ȨÆäÀÌÁö¶ó¸é ÀÌ °ªÀ» Á» ¿Ã·ÁµÎ´Â°ÍÀÌ ÁÁ´Ù


KeepAliveTimeout

ÀÌÀüÀÇ KeepAlive Áö½Ã¾î°¡ On À϶§¸¸ À¯È¿ÇÏ´Ù. KeepAlive ¸¦ »ç¿ëÇÑ´Ù¸é ÇÁ·Î¼¼½ºµéÀº ÀÌ¹Ì ¿­¸° ¿¬°á¿¡¼­ Ãß°¡ ¿äûÀ» ±â´Ù¸®¸ç ´ë±âÁßÀÌ´Ù.

KeepAliveTimeout 15 ó·³ ¼³Á¤Çصθé Ŭ¶óÀÌ¾ðÆ®°¡ 15Ãʵ¿¾È ¾Æ¹«¿äûÀÌ ¾øÀ¸¸é ÇÁ·Î¼¼½ºÀÇ ¿¬°áÀ» ²÷´Â´Ù. ÀÌ °ªÀ» 60 ÃÊ ÀÌ»óÀ¸·Î ¿Ã¸®¸é »ç¿ëÀÚÀÇ ¿äûÀ» ±â´Ù¸®¸ç ¾Æ¹«ÀÏÀ» ÇÏÁö¾Ê´Â ÇÁ·Î¼¼½º°¡ 60Ãʵ¿¾È ¶°ÀÖ°Ô µÇ´Â°ÍÀÌ´Ù. ÀÚ½ÅÀÇ ³×Æ®¿÷´ë¿ª°ú ºÎÇÏ¿¡ µû¶ó ÀûÀýÈ÷ Á¶ÀýÇÏÀÚ. ±âº»°ª 15 ·Îµµ ¹«¹æÇÏ´Ù


StartServers

¾ÆÆÄÄ¡ ½ÃÀ۽ÿ¡ ½ÇÇà½Ãų ÇÁ·Î¼¼½ºÀÇ °³¼ö. µÚ¿¡³ª¿À´Â MinSpareServers, MaxSpareServers µîÀÇ Áö½ÃÀÚ¿¡ ÀÇÇØ¼­ ÇÁ·Î¼¼½º´Â »ý¼ºµÇ±âµµ Çϰí Áױ⵵ ÇϹǷΠū Àǹ̸¦ °¡Áö´Â°ÍÀº ¾Æ´Ï´Ù.


MinSpareServers

Ç×»ó ´ë±âÇϰí ÀÖÀ» ÇÁ·Î¼¼½ºÀÇ ÃÖ¼Ò°³¼ö. ¿©±â¼­ ÁöÁ¤ÇÑ ¼ýÀÚº¸´Ù ÀûÀº ÇÁ·Î¼¼½º°¡ ´ë±âµÇ¾î ÀÖ´Ù¸é ¾ÆÆÄÄ¡´Â °¡´ÉÇÑ ÀÌ ¼ýÀÚ¸¦ À¯ÁöÇϱâÀ§ÇØ ³ë·ÂÇÑ´Ù.


MaxSpareServers

Ç×»ó ´ë±âÇϰí ÀÖÀ» ÇÁ·Î¼¼½ºÀÇ ÃÖ´ë°³¼ö. ¿©±â¼­ ÁöÁ¤ÇÑ ¼ýÀÚº¸´Ù ¸¹Àº ÇÁ·Î¼¼½º°¡ ´ë±âµÇ¾î ÀÖ´Ù¸é ¾ÆÆÄÄ¡´Â °¡´ÉÇÑ ÀÌ ¼ýÀÚ¸¦ À¯ÁöÇϱâÀ§ÇØ ³ë·ÂÇÑ´Ù.


MaxRequestsPerChild

ÇϳªÀÇ ÇÁ·Î¼¼½º´ç ÃÖ´ë ó¸®ÇÒ ¼ö ÀÖ´Â ¹æ¹®ÀÚÀÇ ¿äûȽ¼ö

¼­¹ö»ç¾çÀÌ ÁÁ´Ù¸é ÀÌ °ªÀ» ³ô¿© µÎ´Â°ÍÀÌ ½Ã½ºÅÛÀÇ ºÎÇÏÁ¶Àý°ú ÀÚ¿ø³¶ºñ¸¦ ¹æÁöÇϴµ¥ ÁÁ´Ù.


HostnameLookups

À¥¼­¹öÀÇ ·Î±×(access_log)¿¡ º¸¸é Ŭ¶óÀ̾ðÆ®ÀÇ IP°¡ ±â·ÏµÇ¾îÀִµ¥ ÀÌ Áö½ÃÀÚ¸¦ OnÀ¸·Î ¼³Á¤Çϸé IPÁÖ¼Ò¸¦ µµ¸ÞÀθíÀ¸·Î ±â·ÏÇϱâÀ§Çؼ­ ³ë·ÂÀ» ÇϰԵȴÙ.

¾ÆÆÄÄ¡ 1.3 ÀÌÀü¿¡ HostnameLookupsÀÇ ±âº»°ªÀº OnÀÌ¿´´Ù.

À̸»Àº Á¢¼ÓÀ» ¿äûÇϸé DNS¸¦ °Ë»öÇØ¼­ Á¢¼ÓÀÚÀÇ È£½ºÆ®¸íÀ» ¾Ë¾Æ³»¾î¾ß ÇѴٴ°ÍÀÌ´Ù,. ¾ÆÆÄÄ¡ 1.3¿¡¼­ ÀÌ ¼³Á¤ÀÇ ±âº»°ªÀÌ Off·Î º¯°æµÇ¾ú´Ù.

¾ÆÆÄÄ¡ÀÇ ¼º´ÉÀ» »ý°¢ÇÑ´Ù¸é ¹Ýµå½Ã Off ·Î ¼³Á¤Çϱ⠹ٶõ´Ù.

¸¸ÀÏ ·Î±×ÆÄÀÏÀÇ ÁÖ¼Ò¸¦ È£½ºÆ®¸íÀ¸·Î º¯È¯ÇÒ Çʿ䰡 ÀÖ´Ù¸é ¾ÆÆÄÄ¡¿¡ Æ÷ÇÔµÈ logresolve ÇÁ·Î±×·¥À» »ç¿ëÇØ¼­ ³ªÁß¿¡ ÇÒ¼öÀÖÀ¸´Ï ½ÇÁ¦ »ç¿ëÇÏ´Â À¥¼­¹ö°¡ ¾Æ´Ñ ´Ù¸¥ ÄÄÇ»ÅÍ¿¡¼­ ·Î±×ÆÄÀÏÀ» ÈÄó¸®ÇÏ±æ ¹Ù¶õ´Ù.


´Ù¸¥ ¼³Á¤¿¡¼­ DNS ÁúÀÇ °í·Á

Allow from domainÀ̳ª Deny from domain Áö½Ã¾î¸¦ »ç¿ëÇÑ´Ù¸é (Áï, IP ÁÖ¼Ò°¡ ¾Æ´Ñ È£½ºÆ®¸íÀ̳ª µµ¸ÞÀθíÀ» »ç¿ëÇÑ´Ù¸é) ºÎµæÀÌ Áߺ¹-¿ª DNS °Ë»öÀ» (¿ª°Ë»öÀ» ÇÑÈÄ ¾ÇÀÇ·Î º¯°æµÇ¾ú´ÂÁö È®ÀÎÇϱâÀ§ÇØ ´Ù½Ã °Ë»ö) ÇØ¾ß ÇÑ´Ù. ±×·¯¹Ç·Î ¼º´ÉÀ» ³ôÀ̱â À§ÇØ ÀÌ·± Áö½Ã¾î¿¡´Â °¡´ÉÇϸé À̸§´ë½Å IP ÁÖ¼Ò¸¦ »ç¿ëÇÏÀÚ


FollowSymLinks¿Í SymLinksIfOwnerMatch

°¡´ÉÇÏ¸é ½Éº¼¸¯¸µÅ©¸¦ Çã¿ëÇÏÁö ¾Ê´Â°ÍÀÌ º¸¾È»ó ÁÁ´Ù. ÇÏÁö¸¸ ²À ½á¾ßÇÑ´Ù¸é Options SymLinksIfOwnerMatch º¸´Ù´Â Options FollowSymLinks¸¦ »ç¿ëÇ϶ó

Options SymLinksIfOwnerMatch ÀÏ °æ¿ì ¾ÆÆÄÄ¡´Â ½Éº¼¸¯ ¸µÅ©¸¦ °Ë»çÇϱâÀ§ÇØ ½Ã½ºÅÛÈ£ÃâÀ» Çѹø ´õ ÇØ¾ß ÇÑ´Ù. ÁÁÀº ¼º´ÉÀ» ¾òÀ¸·Á¸é SymLinksIfOwnerMatch´Â ÇÇÇÏÀÚ


AllowOverride

AllowOverride ´Â ÀÌÀü¿¡ ¼³Á¤µÈ ¾ÆÆÄÄ¡ ȯ°æ¼³Á¤À» ¹«½ÃÇÏ°í »õ·Î¿î ¼³Á¤À» Àû¿ëÇÏ´Â ¹æ¹ý¿¡ ´ëÇÑ ¼³Á¤ÀÌ´Ù. AccessFileName À» º°µµ·Î ¼³Á¤ÇÏÁö ¾Ê¾Ò´Ù¸é ¾ÆÆÄÄ¡´Â .htaccess ÆÄÀÏÀ» µð·ºÅ丮 Á¢±ÙÀÎÁõ¿¡ »ç¿ëÇÑ´Ù.

¼³Á¤ÇÒ¼ö ÀÖ´Â Áö½ÃÀÚ´Â ´ÙÀ½°ú °°´Ù.


AuthConfig 

AuthDBMGroupFile, AuthDBMUserFile, AuthGroupFile, AuthName, AuthType, AuthUserFile, require µî°ú °°Àº Ŭ¶óÀÌ¾ðÆ® ÀÎÁõÁö½ÃÀÚÀÇ »ç¿ëÀ» Çã¿ë.

FileInfo

AccessFileName À¸·Î ÁöÁ¤ÇÑ ÆÄÀÏ¿¡ ´ëÇÏ¿© AddEncoding, AddLanguage, AddType, DefaultType, ErrorDocument, LanguagePriority µî°ú°°Àº ¹®¼­À¯ÇüÀ» Á¦¾îÇÏ´Â Áö½ÃÀÚ »ç¿ëÀ» Çã¿ë

Indexes

AccessFileName À¸·Î ÁöÁ¤ÇÑ ÆÄÀÏ¿¡ ´ëÇÏ¿© AddDescription, AddIcon, AddIconByEncoding, DirectoryIndex, FancyIndexing µî°ú°°Àº µð·ºÅ丮 À妽ÌÀ» Á¦¾îÇÏ´Â Áö½ÃÀÚ »ç¿ëÀ» Çã¿ë

Limit

AccessFileName À¸·Î ÁöÁ¤ÇÑ ÆÄÀÏ¿¡ ´ëÇÏ¿© allow, deny, order °°Àº È£½ºÆ®Á¢±ÙÀ» Á¦¾îÇÏ´Â Áö½ÃÀÚ»ç¿ëÀ» Çã¿ë

Options

AccessFileName À¸·Î ÁöÁ¤ÇÑ ÆÄÀÏ¿¡ ´ëÇÏ¿© Options Áö½ÃÀÚ¸¦ ÀÌ¿ëÇÑ Àç¼³Á¤À» Çã¿ë

All

À§¿¡¼­ À̾߱âÇÑ ¸ðµç °ÍÀ» Çã¿ë

None

AccessFileName À¸·Î ÁöÁ¤ÇÑ ÆÄÀÏÀ» ¹«½Ã. ¾î¶°ÇÑ ¼³Á¤µµ Àç¼³Á¤ ÇÒ¼ö ¾ø´Ù.


¸¸ÀÏ overrides¸¦ Çã¿ëÇÑ´Ù¸é ¾ÆÆÄÄ¡´Â ÆÄÀϸíÀÇ °¢ ºÎºÐ¸¶´Ù AccessFileName À¸·Î ÁöÁ¤ÇÑ ÆÄÀÏ(´ëºÎºÐ .htaccess)À» ¿­±æ ½ÃµµÇÑ´Ù. ¿¹¸¦ µé¾î ¼³Á¤Àº ¾Æ·¡¿Í °°°í,


DocumentRoot /www/htdocs

<Directory />

AllowOverride all

</Directory>


/index.html URI¿¡ ´ëÇÑ ¿äûÀÌ ÀÖ´Ù°í °¡Á¤ÇÏÀÚ.

¾ÆÆÄÄ¡´Â /.htaccess, /www/.htaccess, /www/htdocs/.htaccess¸¦ ¸Å¹ø ¿­·Á°í ½ÃµµÇÑ´Ù. ÃÖ°íÀÇ ¼º´ÉÀ» ¾òÀ¸·Á¸é Ç×»ó AllowOverride NoneÀ» »ç¿ëÇÏÀÚ.


EnableMMAP

Ä¿³Î¿¡¼­ ¸Þ¸ð¸®¸ÅÇÎ(mmap)À» Áö¿øÇÑ´Ù¸é ¾ÆÆÄÄ¡°¡ À¥¹®¼­¸¦ ·ÎµùÇϱâ À§ÇÏ¿© ³»ºÎ¹®¼­¸¦ ÀÐÀ»¶§¿¡ ÆÄÀÏÀ» ¸Þ¸ð¸® ¸ÅÇÎÇÏ¿© ó¸®ÇÑ´Ù. µû¶ó¼­ ¾ÆÆÄÄ¡ÀÇ ¼º´ÉÀÌ Å©°Ô Çâ»óµÉ¼ö ÀÖ´Ù.

±×·¯³ª ¸Þ¸ð¸®´ëÀÀÀÌ ¼­¹öÀÇ ¼º´ÉÀ» ¶³¾îÆ®¸®°í ½ÉÁö¾î ¾ÈÁ¤¼ºÀ» ÇØÄ¡´Â °æ¿ì°¡ ÀÖ°í smp Solaris ¼­¹ö¿¡¼­ ¾ÆÆÄÄ¡ 2.0Àº Á¾Á¾ mmapÀ» »ç¿ëÇÏÁö ¾ÊÀ»¶§°¡ ´õ ºü¸£´Ù. ¶ÇÇÑ NFS ¸¶¿îÆ®ÇÑ ÆÄÀϽýºÅÛ¿¡ ÀÖ´Â ÆÄÀÏÀ» ¸Þ¸ð¸® ´ëÀÀÇÏ´Â µµÁß¿¡ ´Ù¸¥ NFS Ŭ¶óÀÌ¾ðÆ®¿¡ ÀÖ´Â ÇÁ·Î¼¼½º°¡ ÆÄÀÏÀ» Áö¿ì°Å³ª ÆÄÀÏÅ©±â¸¦ ÁÙÀ̸é, À¥¼­¹ö ÇÁ·Î¼¼½º°¡ ´ÙÀ½ ¹ø¿¡ ¸Þ¸ð¸®´ëÀÀÇÑ ÆÄÀϳ»¿ëÀ» ÀÐÀ»¶§ bus error°¡ ¹ß»ýÇÒ ¼ö ÀÖ´Ù.

À§ÀÇ Á¶°Ç¿¡ ÇØ´çÇϸé Àü¼ÛÇÏ´Â ÆÄÀÏÀ» ¸Þ¸ð¸®´ëÀÀÇÏÁö ¾Êµµ·Ï EnableMMAP off¸¦ »ç¿ëÇØ¾ß ÇÑ´Ù.


EnableSendfile

¾ÆÆÄÄ¡´Â ¿î¿µÃ¼Á¦°¡ sendfileÀ» Áö¿øÇϸé Ä¿³Î sendfileÀ» »ç¿ëÇÏ¿© Á¤Àû ÆÄÀÏÀ» ¼­ºñ½ºÇÏ´Â °æ¿ì Àü¼ÛÇÒ ÆÄÀÏÀ» Á÷Á¢ ÀÐÁö¾ÊÀ» ¼ö ÀÖ´Ù. sendfileÀ» »ç¿ëÇϸé read¿Í send¸¦ µû·Î ÇÒ Çʿ䰡 ¾ø¾î¼­ ¸Å¿ì »¡¶óÁø´Ù.

±×·¯³ª sendfileÀ» »ç¿ëÇϸé À¥¼­¹öÀÇ ¾ÈÁ¤¼ºÀ» ÇØÄ¡°ÔµÇ´Â °æ¿ì°¡ ÀÖ°í, Ä¿³ÎÀº ÀÚ½ÅÀÇ Ä³½¬¸¦ »ç¿ëÇÏ¿© NFS·Î ¸¶¿îÆ®ÇÑ ÆÄÀÏÀ» ¾ÈÁ¤ÀûÀ¸·Î ¼­ºñ½ºÇÒ ¼ö ¾ø´Â °æ¿ì°¡ ÀÖÀ¸¹Ç·Î

EnableSendfile off¸¦ »ç¿ëÇØ¼­ ÆÄÀÏÀ» sendfile Àü¼ÛÇÏÁö ¾Êµµ·Ï ÇÒ¼ö ÀÖ´Ù.



¼³Á¤º¯°æÈÄ ¾ÆÆÄÄ¡ ¼º´É Å×½ºÆ®


ÀÌÁ¦±îÁö ¼³¸íÇÑ ºÎºÐµéÀ» ÀÚ½ÅÀÇ È¯°æ¿¡ ¸Â°Ô °¢°¢ ¼öÁ¤ÇÑ ÈÄ ¾ÆÆÄÄ¡ À¥¼­¹ö¸¦ Àç½ÃÀÛÇÏ°í ½ÇÁ¦·Î ¼º´ÉÀÌ Çâ»óµÇ¾ú´ÂÁö¸¦ ´Ù½Ã Å×½ºÆ®Çϱâ·Î ÇÏÀÚ. ÇÊÀÚ´Â ¾Æ·¡ÀÇ ºÎºÐµéÀ» ¼öÁ¤Çؼ­ Å×½ºÆ®Çß´Ù.

º¯°æÀÌÀü

º¯°æÀÌÈÄ

Timeout 120

KeepAlive Off

MaxKeepAliveRequests 100

KeepAliveTimeout 15

HostnameLookups On

#EnableMMAP off

#EnableSendfile off

StartServers       8

MinSpareServers    5

MaxSpareServers   20

ServerLimit      256

MaxClients       256

Timeout 300

KeepAlive On

MaxKeepAliveRequests 10000

KeepAliveTimeout 25

HostnameLookups Off

EnableMMAP On

EnableSendfile On

StartServers       20

MinSpareServers    15

MaxSpareServers   45

ServerLimit      512

MaxClients       512

Ç¥ 4. <httpd.conf º¯°æºÎºÐ>


ab 

[root@www ~]# ab -c 1000 -n 1000 -t 10 http://210.183.235.95/

This is ApacheBench, Version 2.0.41-dev <$Revision: 1.141 $> apache-2.0

Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Copyright (c) 1998-2002 The Apache Software Foundation, http://www.apache.org/


Benchmarking 210.183.235.95 (be patient)

Completed 5000 requests

Completed 10000 requests

Finished 14033 requests


Server Software:        Apache/2.0.52

Server Hostname:        210.183.235.95

Server Port:            80


Document Path:          /

Document Length:        440 bytes


Concurrency Level:      1000

Time taken for tests:   10.61616 seconds

Complete requests:      14033

Failed requests:        0

Write errors:           0

Total transferred:      8608215 bytes

HTML transferred:       6219400 bytes

Requests per second:    1394.71 [#/sec] (mean)

Time per request:       716.997 [ms] (mean)

Time per request:       0.717 [ms] (mean, across all concurrent requests)

Transfer rate:          835.45 [Kbytes/sec] received


Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        2  162 961.7     18    9049

Processing:    16  126 385.1     94    6459

Waiting:       13  114 383.5     81    6439

Total:         52  288 1147.4    118    9890


Percentage of the requests served within a certain time (ms)

  50%    118

  66%    123

  75%    128

  80%    132

  90%    153

  95%    175

  98%   3139

  99%   9188

 100%   9890 (longest request)


httperf

[root@www ~]# httperf --server 210.183.235.95 --port 80 --rate 1000 --num-conns 20000 --hog

httperf --hog --client=0/1 --server=210.183.235.95 --port=80 --uri=/ --rate=1000 --send-buffer=4096 --recv-buffer=16384 --num-conns=20000 --num-calls=1

Maximum connect burst length: 14


Total: connections 20000 requests 20000 replies 20000 test-duration 19.999 s


Connection rate: 1000.0 conn/s (1.0 ms/conn, <=37 concurrent connections)

Connection time [ms]: min 0.5 avg 3.1 max 47.3 median 1.5 stddev 4.6

Connection time [ms]: connect 1.0

Connection length [replies/conn]: 1.000


Request rate: 1000.0 req/s (1.0 ms/req)

Request size [B]: 65.0


Reply rate [replies/s]: min 996.2 avg 1000.0 max 1004.0 stddev 3.4 (4 samples)

Reply time [ms]: response 2.1 transfer 0.0

Reply size [B]: header 150.0 content 440.0 footer 0.0 (total 590.0)

Reply status: 1xx=0 2xx=20000 3xx=0 4xx=0 5xx=0


CPU time [s]: user 2.95 system 10.76 (user 14.8% system 53.8% total 68.6%)

Net I/O: 639.7 KB/s (5.2*10^6 bps)


Errors: total 0 client-timo 0 socket-timo 0 connrefused 0 connreset 0

Errors: fd-unavail 0 addrunavail 0 ftab-full 0 other 0


flood

[root@www ~]# flood floodconf.xml > result.out

[root@www ~]# ./analyze-relative result.out

Slowest pages on average (worst 5):

   Average times (sec)

connect write   read    close   hits    URL

0.0019  0.0020  0.0045  0.0046  28999   http://210.183.235.95/

Requests: 28999 Time: 0.45 Req/Sec: 65931.82


ÃÖÁ¾ Å×½ºÆ® °á°ú

º¥Ä¡¸¶Å©¶ó´Â °ÍÀÌ ´Ù¾çÇÑ È¯°æ¿äÀο¡ ¿µÇâÀ» ¹ÞÀ¸¹Ç·Î Ç×»ó µ¿ÀÏÇÑ °ªÀ» ±â´ëÇϱâ´Â ¾î·Á¿î °ü°è·Î 3°¡Áö º¥Ä¡¸¶Å© ÇÁ·Î±×·¥µéÀÇ °á°ú°ªÀÌ ¸ðµÎ µ¿ÀÏÇÏ°Ô ³ªÅ¸³ªÁö´Â ¾ÊÁö¸¸ ¼³Á¤À» º¯°æÇϱâ ÀÌÀüº¸´Ù ÀüºÎ Çâ»óµÈ °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ´Ù.

 

ab 

httperf 

flood

±âº»»óÅÂ

Time per request:       745.829 [ms]

Reply time [ms]: response 9.6

Time: 0.80 sec

Æ©´×ÀÌÈÄ

Time per request:       716.997 [ms]

Reply time [ms]: response 2.1

Time: 0.45 sec




¸¶Ä¡¸ç

¸î¸î À¥µðÀÚÀ̳ʵéÀº »ç¿ëÀÚµéÀÌ ºü¸¥ »çÀÌÆ®¸¦ ¿øÇÏ´Â »ç½ÇÀ» °£È¤ Àر⵵ ÇÑ´Ù. ¶§¹®¿¡ È­·ÁÇÑ È­¸é±¸¼ºÀ» À§Çؼ­ ¼Óµµ¸¦ ¹«½ÃÇÏ´Â °æ¿ì°¡ °¡²û ÀÖ°í, ±×·¸°Ô ¸¸µé¾îÁö´Â À¥¼­¹öÀÇ ÄÜÅÙÃ÷µéÀÌ À¥¼­¹ö¸¦ ´À¸®°Ô ¸¸µé±âµµ Çϰí, ³×Æ®¿öÅ©ÀÇ º´¸ñÇö»ó°ú ¼­¹öÀÇ ·Îµå·Î ÀÎÇØ ´À·ÁÁú¼öµµ ÀÖ´Ù.

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ÇÊÀÚ´Â ¿©·¯ºÐÀÌ ¸®´ª½º ¼­¹ö °ü¸®Àڷμ­ Àû¾îµµ ¾ÆÆÄÄ¡¸¦ ¼³Á¤Çؼ­ °øÂ¥·Î ¾òÀ»¼ö ÀÖ´Â ¼º´ÉÇâ»óÀ» ³õÄ¡Áö ¾Ê±â¸¦ ¹Ù¶õ´Ù. ÀÌ ¿Ü¿¡µµ ¿©·¯ºÐÀº ¾ÆÆÄÄ¡ ¼º´ÉÇâ»óÀ» À§Çؼ­ mod_rewrite ¸¦ ÀÌ¿ëÇÑ URL»ý·«¹ý, mod_gzip À» »ç¿ëÇÑ ÄÜÅÙÃ÷ ¾ÐÃà, mod_expires ¸ðµâÀ» ÀÌ¿ëÇÑ À̹ÌÁöij½Ì µîÀ» ÀÌ¿ëÇÒ ¼ö ÀÖ´Ù.


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Âü°íÀÚ·á

(1) http://www.superuser.co.kr/home/book/index.htm ¸®´ª½º ¼­¹ö°ü¸® ½Ç¹«¹ÙÀ̺í

(2) http://builder.com.com/5100-6371-5171727.html À¥¼­¹ö ¼º´ÉÅ×½ºÆ® Åø Siege ¼Ò°³

(3) http://www.zdnet.co.kr/techupdate/trend/0,39024505,10051252-1,00.htm À¥»çÀÌÆ® ¼º´ÉºÐ¼® APM ¼­ºñ½º

(4) http://httpd.apache.org/test/flood/ À¥¼­¹ö ¼º´ÉÅ×½ºÆ® ¾ÆÆÄÄ¡ ¼­ºê ÇÁ·ÎÁ§Æ® flood

(5) http://help.oss.or.kr/kms/kms/Knowledge/viewKnowledge.jsp?KM_ID=260 ¾ÆÆÄÄ¡ ¹êÄ¡¸¶Å· Åø ab

(6) http://www.intranetjournal.com/articles/200501/pij_01_06_05a.html Optimizing Apache Server Performance

(7) http://www.faqs.org/docs/securing/index.html Securing and Optimizing Linux

(8) http://www.serverwatch.com/tutorials/article.php/2216741 Performance Testing Using HTTPD-Test's Flood


[¿ø±Û¸µÅ©] : https://www.linux.co.kr/home2/board/subbs/board.php?bo_table=lecture&wr_id=961


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