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ÀÚÁÖ Àؾî¸Ô°Å³ª, ¸Þ¸ðÇØ µÑ Çʿ伺ÀÌ ÀÖ´Â ÆÁÀ̳ª ¹®¼­, ±âŸ µîµî
[*** ¾²±â ±ÝÁö´Ü¾î ÆÐÅÏ ***]
±Û º»¹® Áß°£¿¡ ¾÷·ÎµåÇÒ À̹ÌÁö¸¦ Ãß°¡ÇÏ´Â ¹æ¹ý : @@À̹ÌÁöÀ̸§@@
ex) @@foo.gif@@
71 ¹ø ±Û: [¹Ì¿Ï¼º][sendmail] ¸ÖƼť »ç¿ëÀ¸·Î ext2 ºÎÇÏ·® ÁÙÀ̱â
±Û¾´ÀÌ: »êÀÌ [ȨÆäÀÌÁö] ±Û¾´³¯: 2003³â 11¿ù 14ÀÏ 23:14:56 ±Ý(Àú³á) Á¶È¸: 5242
mqueue.txt09 KB(9,632 Bytes) ÆÄÀϸí: mqueue.txt
[sendmail] ¸ÖƼť »ç¿ëÀ¸·Î ext2 ºÎÇÏ·® ÁÙÀ̱â

 - ÀÛ¼ºÀÚ : ±èÄ¥ºÀ <san2(at)linuxchannel.net>
 - ÀÛ¼ºÀÏ : 2002.11.30
 - ºÐ ·ù  : ½Ã½ºÅÛ°ü¸®(SE)
 - ¼ö ÁØ  : ÃÊÁß±ÞÀÌ»ó
 - ³» ¿ë  : ext2 ÆÄÀϽýºÅÛ¿¡¼­ sendmailÀÇ ¸ÖƼ Å¥ ¼³Á¤
 - Å°¿öµå : mqueue, sendmail, multi queue, ext2


*ÁÖ)
ÀÌ ¹®¼­ÀÇ ÃֽŠ³»¿ëÀº ´ÙÀ½ URL¿¡¼­ ãÀ» ¼ö ÀÖ½À´Ï´Ù.

 - http://linuxchannel.net/docs/sendmail-mqueue.txt


=====================================================

1. ¹è°æ
2. ¸ÖƼť ¼³Á¤
3. ¸ÖƼť ¼³Á¤ ÀÌÀü¿¡ ³²¾Æ ÀÖ´Â ¸ÞÀÏÅ¥ ó¸®
4. sendmailÀ» ÀÌ¿ëÇÑ Áß´ëÇü ¸ÞÀÏ Ã³¸®(°³¿ä)
5. ±âŸ

=====================================================

1. ¹è°æ

Àú³Î¸µ ÆÄÀÏ ½Ã½ºÅÛ(ext3, xfs, reiserfs, ...)ÀÌ ¾Æ´Ñ ext2 ÆÄÀÏ
½Ã½ºÅÛ¿¡¼­´Â ´ÙÀ½°ú °°Àº ¹®Á¦Á¡ÀÌ ÀÖ½À´Ï´Ù.

Áï,
ÇϳªÀÇ µð·ºÅ丮¿¡ ÆÄÀÏ °³¼ö°¡ 1000~3000°³ ÀÌ»ó Á¸ÀçÇÏ°í
ÇØ´ç ÆÄÀÏÀ» Àбâ/¾²±â¸¦ ½ÃµµÇÒ °æ¿ì ½Ã½ºÅÛ¿¡ ¾ÆÁÖ ±Ø½ÉÇÑ
CPU »ç¿ëÀ¸·Î Àüü ½Ã½ºÅÛ ºÎÇÏ·®ÀÌ Áõ°¡ÇÏ´Â Çö»óÀÌ ÀÖ½À´Ï´Ù.

½Ã½ºÅÛ »ç¾ç¿¡ µû¶ó¼­ ÆÄÀÏ °³¼öÇÑ°è°¡ ´Ù¸¦ ¼ö ÀÖÁö¸¸
º¸Åë 1000~3000°³ ÀÌ»óÀ̸é ext2 ÆÄÀϽýºÅÛ¿¡¼­´Â
¾öû³­ ºÎÇÏ·®ÀÌ Áõ°¡ÇÕ´Ï´Ù.

½ÇÁ¦·Î RH7.2/2.4.18, ext2 ÆÄÀϽýºÅÛÀ¸·Î H/W´Â ¸·°­ÇÑ ½Ã½ºÅÛ
»ç¾çÀÓ¿¡µµ ºÒ±¸ÇÏ°í,

sendmailÀÇ Å¥µð·ºÅ丮¸¦ Çϳª·Î ÁöÁ¤ÇßÀ» °æ¿ì,
CPU »ç¿ë·®ÀÌ 2°³ ¸ðµÎ °¢°¢ Ç×»ó 90~95% ÀÌ»óÀ» Á¡À¯ÇÏ´õ±º¿ä

»ç¿ëÀÚ°¡ ¸î½Ê¸¸¸í ÀÌ»óµÇ´Â Áß´ëÇü ¸ÞÀϼ­¹ö ¿ëµµÀε¥ ¿ª½Ã ext2ÀÇ
ÇÑ°è·Î ÆǸíµÇ´õ±º¿ä.

¿äÁîÀ½Àº ½ºÆÔ¸ÞÀÏ ¶§¹®¿¡ ¶§¾Æ´Ñ ¸ÞÀϼ­¹ö°¡ ¸ö»ì(?)À» ¾Î°í
Àִ°ÍÀÌ Çö½ÇÀÔ´Ï´Ù.



2. ¸ÖƼť ¼³Á¤

ÀÚ½ÅÀÌ °ü¸®ÇÏ°í ÀÖ´Â ¸ÞÀϼ­¹ö°¡ ext2 ÆÄÀϽýºÅÛÀÌ°í,
¸Å¿ì ¹Ù»Û ¸ÞÀϼ­¹ö ¿ëµµ·Î »ç¿ëµÇ°í ÀÖ´Ù¸é
sendmailÀÇ °æ¿ì Å¥µð·ºÅ丮¸¦ °¡´ÉÇÑ ´ÙÀ½°ú °°ÀÌ
¸ÖƼť·Î ÁöÁ¤ÇØ ÁÖ¸é CPU »ç¿ë·®ÀÌ ¶Ò ¶³¾îÁý´Ï´Ù.
(°æÇèÇÑ ¹Ù·Î´Â 90%¿¡¼­ 20~30% Á¤µµ·Î)

¸ÖƼť Áö¿øÀº sendmail 8.10 ÀÌ»óºÎÅÍ Áö¿øÇÕ´Ï´Ù.
(ÆÐÅ°Áö¸¶´Ù ´Ù¸¦ ¼ö ÀÖÀ¸¹Ç·Î È®Àοä¸Á)

  /etc/mail/sendmail.cf -----------------------
  ....
  # queue directory
  O QueueDirectory=/var/spool/mqueue/*
  ....
  ---------------------------------------------

  ¿¹)
  # mkdir /var/spool/mqueue/{1,2,3,4,5,6,7,8,9}
  # chown root.mail /var/spool/mqueue/{1,2,3,4,5,6,7,8,9}


¹Ýµå½Ã À§¿Í °°ÀÌ ¼³Á¤ÇÏÁö´Â ¾Ê½À´Ï´Ù.

¿¹¸¦µé¾î,

  O QueueDirectory=/var/spool/mqueue/q*

ÀÌ¿Í °°ÀÌ ¼³Á¤Çß´Ù¸é,

  # mkdir /var/spool/mqueue/{q1,q2,q3,q4,q5,q6}

¿Í °°ÀÌ µð·ºÅ丮¸¦ ¸¸µé¸é µË´Ï´Ù.

ÀÚ½ÅÀÌ ¿øÇÏ´Â ¹æÇâÀ¸·Î µð·ºÅ丮 °³¼ö¿Í µð·ºÅ丮 À̸§À»
¸¸µé¾î ÁÖ¸é µË´Ï´Ù.
ÃÖ¼ÒÇÑ 5°³ ÀÌ»ó Á¤µµ·Î ³Ê¹« ¸¹Àº µð·ºÅ丮¸¦ ¼³Á¤ÇØ ÁÖ¸é
¿ÀÈ÷·Á ¿ªÈ¿°ú°¡ ÀÖÀ¸¹Ç·Î 5~10 Á¤µµ(±ÇÀå) ¶Ç´Â 5~20°³
Á¤µµ°¡ Àû´çÇÕ´Ï´Ù.

¸ÖƼťÀÇ ÀåÁ¡Àº ·£´ýÇÏ°Ô Å¥µð·ºÅ丮¸¦ Á¢±ÙÇÏ¿©
ÆÄÀÏÀ» Àбâ/¾²±â ¶§¹®¿¡ ÇϳªÀÇ µð·ºÅ丮¿¡ ¸¹Àº ÆÄÀÏ󸮷ΠÀÎÇÑ
½Ã½ºÅÛ ºÎÇϸ¦ °¨¼ÒÇÒ ¼ö ÀÖ½À´Ï´Ù.



3. ¸ÖƼť ¼³Á¤ ÀÌÀü¿¡ ³²¾Æ ÀÖ´Â ¸ÞÀÏÅ¥ ó¸®

¸ÖƼť µð·ºÅ丮¸¦ ¼³Á¤Çϱâ Àü¿¡
±âÁ¸ÀÇ ¸ÞÀÏÅ¥¸¦ °¡´ÉÇÑ ¸ðµÎ ó¸®ÇØÁÖ¾î¾ß ÇÕ´Ï´Ù.

¸¸¾à ¾ÆÁ÷ 󸮵ÇÁö ¾ÊÀº ¸ÞÀÏÅ¥°¡ ³²¾Æ ÀÖ´Ù¸é,
100~500°³ ´ÜÀ§ Á¤µµ·Î ¹­¾î¼­ °¢°¢ÀÇ µð·ºÅ丮 ¾È¿¡¼­
ó¸®ÇÏ´Â °ÍÀÌ ÁÁ½À´Ï´Ù.

ÇϳªÀÇ µð·ºÅ丮¿¡¼­ ó¸®Çصµ »ó°ü¾øÁö¸¸
ext2 ÆÄÀÏ ½Ã½ºÅÛ¿¡¼­´Â ºÎÇÏ°¡ ¿¹»óµÇ¹Ç·Î ´ÙÀ½°ú °°ÀÌ
¿©·¯°³ÀÇ µð·ºÅ丮·Î ºÐ»êÇÏ¿© ¸ÞÀÏ Å¥¸¦ ó¸®ÇÏ´Â ¹æ¹ýÀ»
±ÇÀåÇÕ´Ï´Ù.

¿¹¸¦ µé¾î ¾ÆÁ÷ ³²¾Æ ÀÖ´Â ¸ÞÀÏÅ¥°¡ 1000°³°¡ ³Ñ´Â´Ù¸é
300°³ Á¤µµÀÇ ´ÜÀ§·Î Àӽà µð·ºÅ丮¸¦ ¸¸µì´Ï´Ù.

 * Àӽà µð·ºÅ丮 °³¼ö = (int)³²Àº_¸ÞÀÏÅ¥_°³¼ö/300
 + 1

¸¸¾à 'Àӽà µð·ºÅ丮 °³¼ö'°¡ 4°³ À̸é,

  # mkdir -p /var/spool/mqueue_tmp/{1,2,3,4}
  # chown root.mail -R /var/spool/mqueue_tmp

ÀÌ¿Í °°ÀÌ µð·ºÅ丮¸¦ ¸¸µì´Ï´Ù.
ÀÌÁ¦ ³²¾Æ ÀÖ´Â ¸ÞÀÏ Å¥¸¦ ½ÖÀ¸·Î(¸ÞÀÏ Å¥´Â ½ÖÀ¸·Î µÇ¾îÀÖÀ½)
°¢°¢ÀÇ µð·ºÅ丮¸¦ ºÐ»ê½ÃÄÑ ´ÙÀ½°ú sendmail À» Çϳª ´õ ½ÇÇàÇÕ´Ï´Ù.

  ¿¹)
  # /usr/sbin/sendmail -bD -q30s \
	-ODeliveryMode=queueonly \
	-OQueueDirectory=/var/spool/mqueue_tmp/* \
	-ODaemonPortOptions=Addr=localhost,Port=2525 

¸¸¾à ¹é±×¶ó¿îµå·Î °è¼Ó ½ÇÇàÇϱ⸦ ¿øÇÑ´Ù¸é
-bD ´ë½Å -bd ¿É¼ÇÀ» »ç¿ëÇϼ¼¿ä.

  -ODaemonPortOptions=Addr=localhost,Port=2525

ÀÌ ¿É¼ÇÀº ¿ÀÁ÷ localhost¿¡¼­ ¸¸ 2525¹ø Æ÷Æ®¸¦ ¿­¾î¼­
sendmailÀÌ 1ºÐ(1m) °£°ÝÀ¸·Î ¸ÞÀÏ Å¥¸¦ ó¸®Çϵµ·Ï ÇÏ´Â ¿É¼ÇÀÔ´Ï´Ù.

Port Å° ÁöÁ¤Àº `netstat -atn`ÀÇ °á°ú¿¡¼­ ¾ÆÁ÷ »ç¿ëÇÏÁö ¾Ê´Â
Æ÷Æ®·Î ÁöÁ¤ÇØ¾ß ÇÕ´Ï´Ù. ¸¸¾à ±âÁ¸ÀÇ »ç¿ëÇÏ´ø Æ÷Æ®(¿¹:25)¸¦ ÁöÁ¤Çϸé

  451 4.0.0 opendaemonsocket: daemon Daemon0: cannot bind: Address already in use

ÀÌ¿Í °°Àº ¿¡·¯¸¦ ³»¹Ç·Î ¹Ýµå½Ã ÇöÀç »ç¿ëÇÏÁö ¾Ê´Â Æ÷Æ®¸¦ »ç¿ëÇؾß
ÇÕ´Ï´Ù.

¶ÇÇÑ Addr Å° ¼³Á¤À» localhost°¡ ¾Æ´Ñ ´Ù¸¥ È£½ºÆ®³ª ÀÌ Å°¸¦
¾Æ¿¹ ¼³Á¤ÇÏÁö ¾ÊÀ¸¸é ´Ù¸¥ MTA ¶Ç´Â MUA¿¡¼­ RELAY°¡ °¡´ÉÇϹǷÎ
(¿¹¸¦ µé¾î ¹æÈ­º® ¾ÈÂÊ¿¡¼­ sendmail RELAY ¿î¿µ °¡´É)
ÀÌ °æ¿ì´Â 'lcoalhost'·Î ¼³Á¤ÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÕ´Ï´Ù.



4. sendmailÀ» ÀÌ¿ëÇÑ Áß´ëÇü ¸ÞÀÏ Ã³¸®(°³¿ä)

½ÇÁ¦·Î Áß´ëÇü ¸ÞÀϼ­¹ö¿¡¼­ sendmailÀ» »ç¿ëÇÒ °æ¿ì,
¸ÞÀϵ¥¸óÀ» Çϳª°¡ ¾Æ´Ñ ¿©·¯°³(2°³ ÀÌ»ó)ÀÇ ¸ÖƼµ¥¸óÀ»
ÀÌ¿ëÇؼ­ Çϳª´Â defered ¸ðµå·Î ¼³Á¤ÇÏ¿© ¸ÞÀÏÀ» Å¥¿¡
½×µµ·Ï ÇÏ°í ³ª¸ÓÁö ¸ÞÀϵ¥¸ó(µé)Àº ¸ÞÀÏÅ¥À» ó¸®ÇÏ´Â
¹æ¹ýÀ» ÅÃÇÏ´õ±º¿ä.

¸ÖƼµ¥¸óÀ» »ç¿ëÇÒ °æ¿ì ÃÖ´ë ¸ÞÀÏ󸮷®°ú ±âŸ ½Ã½ºÅÛ
¼³°è¿Í ¼³Á¤ÀÌ ÇʼöÀûÀ¸·Î µû·Î ¿À´Âµ¥ sendmail ÂÊ¿¡¼­´Â ´ÙÀ½°ú
°°Àº ¹æ¹ýÀ¸·Î ¸ÖƼµ¥¸óÀ» ÀÌ¿ëÇÕ´Ï´Ù.

¿¹¸¦ µé¾î, ´ÙÀ½°ú °°ÀÌ ¿©·¯°³ÀÇ sendmail µ¥¸óÀ» ¶ç¾î
°¢°¢ deferred ¸ðµå, 1Â÷ ¸ÞÀÏÅ¥ ó¸®, 2Â÷ ¸ÞÀÏÅ¥ 󸮵îÀ¸·Î
ºÐ´ãÇÏ´Â ¹æ¹ýÀ» ¸»ÇÕ´Ï´Ù.

  # /usr/sbin/sendmail -bd \
	-ODeliveryMode=deferred \
	-OQueueDirectory=/var/spool/mqueue/*
  #
  # /usr/sbin/sendmail -bd -q10s \
	-ODeliveryMode=queueonly \
	-OMaxDaemonChildren=128 \
	-OQueueDirectory=/var/spool/mqueue/* \
	-ODaemonPortOptions=Addr=localhost,Port=2525
  #
  # /usr/sbin/sendmail -bd -q10m \
	-ODeliveryMode=queueonly \
	-OMaxDaemonChildren=64 \
	-OQueueDirectory=/var/spool/mqueue2/* \
	-ODaemonPortOptions=Addr=localhost,Port=2526
  #

/var/spool/mqueue2/* ¸ÖƼť µð·ºÅ丮´Â /var/spool/mqueue/* ¸ÖƼť
µð·ºÅ丮¿¡¼­ 󸮵ÇÁö ¸øÇÑ ¸ÞÀÏ(¿¹¸¦ µé¾î ¿ø°ÝÀÇ ¸ÞÀϼ­¹ö°¡
´Ù¿îµÇ°Å³ª ºÒºÐ¸íÇÑ ¸ÞÀÏ ÁÖ¼Ò·Î ¹Ìó 󸮵ÇÁö ¸øÇÑ ¸ÞÀÏ)À» ´Ù¸¥
tooolsÀ» ÀÌ¿ëÇÏ¿© °­Á¦ÀûÀ¸·Î /var/spool/mqueue2/* ·Î À̵¿ÇßÀ»
°æ¿ì¸¦ ¸»ÇÕ´Ï´Ù.

ÀÌ¿Í °°ÀÌ ¿À·¡µÈ ¸ÞÀÏÅ¥¸¦ ´Ù¸¥ Å¥µð·ºÅ丮·Î À̵¿Çؾ߸¸ ÇÒ °æ¿ì´Â
sendmail ¼Ò½ºµð·ºÅ丮¿¡¼­ re-mqueue.pl ÅøÀ» »ç¿ëÇÕ´Ï´Ù.

Áï, re-mqueue.pl À» ÀÏÁ¤½Ã°£ °£°ÝÀ¸·Î(crond ÀÌ¿ë) ½ÇÇàÇØ ³õÀº
»óÅ¿¡¼­ ¾ÕÀÇ ¼¼¹ø°ÀÇ sendmail ÀÌ Ã³¸®Çϵµ·Ï ¹æ¹ýÀÔ´Ï´Ù.

re-mqueue.pl ÅøÀº sendmail ¼Ò½º¸¦ Á÷Á¢ Ç®¾î¼­ contrib µð·ºÅ丮¿¡¼­
ãµçÁö ´ÙÀ½ÀÇ URL¿¡¼­µµ ãÀ» ¼ö ÀÖ½À´Ï´Ù.

  - http://openbsd.secsup.org/src/gnu/usr.sbin/sendmail/contrib/


½ÇÁ¦·Î sendmailÀ» Áß´ëÇü ¸ÞÀϼ­¹ö·Î ¿î¿µÇÒ °æ¿ì
¸ÖƼť ¼³Á¤ ¿Ü¿¡ ¸ÞÀÏÅ¥ 󸮿¡ °üÇÑ ¼³Á¤, ±×¸®°í ½Ã½ºÅÛ ÆÛÆ÷¸Õ½º¿Í °ü·ÃµÈ
´Ù¸¥ ¼³Á¤µµ ÇʼöÀûÀÔ´Ï´Ù.

  ¿¹)
  # maximum hop count
  #O MaxHopCount=17

  # name resolver options
  #O ResolverOptions=+AAONLY

  # open connection cache size
  O ConnectionCacheSize=2

  # open connection cache timeout
  O ConnectionCacheTimeout=5m

  # slope of queue-only function
  #O QueueFactor=600000

  # time out
  O Timeout.xxx=yyy

  # load average at which we just queue messages
  #O QueueLA=8

  # load average at which we refuse connections
  #O RefuseLA=12

  # maximum number of children we allow at one time
  #O MaxDaemonChildren=12

  # maximum number of new connections per second
  #O ConnectionRateThrottle=3

  # how many jobs can you process in the queue?
  #O MaxQueueRunSize=10000

  # maximum number of recipients per SMTP envelope
  #O MaxRecipientsPerMessage=100

  # work recipient factor
  #O RecipientFactor=30000

  # minimum time in queue before retry
  #O MinQueueAge=30m

  # Data file (df) memory-buffer file maximum size
  #O DataFileBufferSize=4096

  # Transcript file (xf) memory-buffer file maximum size
  #O XscriptFileBufferSize=4096


ÃÖ´ë ¸ÞÀÏ󸮷®¿¡ µû¶ó¼­ ´Ù¸§



   echo 8192 >/proc/sys/fs/file-max
   echo 24576 >/proc/sys/fs/inode-max


±×¿Ü¿¡µµ ½Ã½ºÅ۷α×/¸ÞÀϷα׿¡
 ´ëÇÑ logrotate ¼³Á¤µµ ÇʼöÀûÀÔ´Ï´Ù.



5. ±âŸ

Áß´ëÇü ¸ÞÀϼ­¹ö·Î ¿î¿µÇÒ °æ¿ì¶ó¸é,
°¡´ÉÇÑ ext2°¡ ¾Æ´Ñ Àú³Î¸µ ÆÄÀϽýºÅÛ »ç¿ë°ú
sendmailÀÌ ¾Æ´Ñ ´Ù¸¥ MTA¸¦ »ç¿ëÇϴ°ÍÀÌ ´õ À¯¸®ÇÑ
¹æ¾ÈÀÌ µÇ°Ú±º¿ä.

 
ÀÌÀü±Û : Re: [MySQL] /root/.my.cnf example
´ÙÀ½±Û : [³×Æ®¿öÅ©] °£´ÜÇÑ °è»ê¹æ¹ý  
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