
ç¹ç°ä¿¡é· ã¼ã¡ã¼ã¡ãå æ°ã«ãã£ã¦ãã¾ããå°ãè¬ã«ãæ £ãã...ãããªããç¸å¤ãããé£ã¹ãããªããã©ãæãæãããã°ã£ã¦æåãªãã¦å ¥åã§ããªãã£ããã©ãããã¯ã»ã¼ãªããªã£ããé¢ç¯ãã©ããçããªããè¬å¹ãã¦ããããããªã ã§ãããã°ãæ¸ããã¨è¨ãæ°ãã¾ãèµ·ãã¦ããã â¦
åå解決ã®ã³ã¹ã ã¢ããªã±ã¼ã·ã§ã³ã®Configã¨ãã§ãã¹ãåã使ã£ã¦ãããã¨ãå¤ãã®ã ãã©ããã¹ãåããIPã¸ã®åå解決ãgethostbynameã®ã³ã¹ããæ°ã«ãªã£ãã®ã§ãã¹ã ãã¹ãã®ãã¿ã¼ã³ã¯ åå解決ãªã /etc/hostsãã¡ã¤ã«ã«æ¸ããå ´å DNSã«åãåããããã¿ã¼ã³ ããã£ã¦ã¿ãã Perlã®ã³ã¼ãã¯ä»¥ä¸ã #!/usr/bin/perl use strict; use warnings; use Benchmark; timethese( 50000, { 'no_lookup' => sub { gethostbyname('10.101.100.51') }, 'hosts_lookup' => sub { gethostbyname('nomadscafe') }, 'named_lookup' => sub { gethostbyname('nomadscaf
ä¾ãã°ãã¹ã¼ãã¼ã«ããªã«ã³ãã®ä¿¡å·æ¤åºç²¾åº¦ãè½ã¡ãã¨ããã°ãããã¯ããå£é¢ã®ã»ã³ãµãçµå¹´å£åããã¨ããããããã¨ã§ã¯ãªããå é¨ã«èããããç´æ°´ã®ç´åº¦ãä½ä¸ãããã¨ãèãããããããã¦ãã®ç´åº¦ä½ä¸ã®åå ã¨ãªã£ãã®ã¯ãä½ãé ããæ¤åºå¯¾è±¡ãããã¥ã¼ããªãèªèº«ã ã£ããããããã§ããã ããã¯ãªãã§ãã¨ãã£ãããå®å®ã®ã¯ã¦ããé£æ¥ãããã¥ã¼ããªãã®ã¤ãã¦ã£ãããå®ã¯æ å ±åªä½ã«ä½¿ããã¦ãããããããã§ãä¿æããæ å ±ãæªã«å±ããããã§ç´æ°´ããããã¡ãã£ãã®ã§ããã ããã¼ï¼ãããã¾ããã¥ã¼ããªããæ å ±åªä½ã«ä½¿ãã£ã¦ã®ã¯ç¾æ©è²ã£ã¦ã¢ãªã ã¨ãã¦ããé£æ¥ãããã¥ã¼ããªããæ å ±ãªãä¿¡å·ãªãã ã£ã¦ãã¨ããããããªã®ï¼ã ããã¼ã«ãã¾ãæ°´ã¯ä½ã§ããã£ã¦ãããã ããç¥ã®ãããã³ã«ãããã®åæªãã ã¨ããã®ã¨ãä¸ã¤ã®ãã¥ã¼ããªããåã貫ãããåãæ§æãã70ï¼ ã®æ°´åã¯ç¥ã®æªæã«ç¯ãããä½ã®è絡ããªãç¼åã®ååãæ²æ®ºãã
ã©ã³ãã³ã°
ãç¥ãã
ã©ã³ãã³ã°
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}