{"id":2060,"date":"2011-04-26T22:10:08","date_gmt":"2011-04-26T13:10:08","guid":{"rendered":"http:\/\/pchero21.com\/?p=2060"},"modified":"2011-04-26T22:10:08","modified_gmt":"2011-04-26T13:10:08","slug":"message-queue-%ea%b0%af%ec%88%98-%ec%82%ac%ec%9d%b4%ec%a6%88-%ea%b4%80%eb%a0%a8","status":"publish","type":"post","link":"http:\/\/pchero21.com\/?p=2060","title":{"rendered":"Message queue \uac2f\uc218 \uc870\uc808\ud558\uae30"},"content":{"rendered":"<p>\ub9ac\ub205\uc2a4\uc5d0\uc11c\ub294 \uc5ec\ub7ec\uac00\uc9c0 IPC(Interprocess Communication) \uc744 \uc9c0\uc6d0\ud55c\ub2e4.<\/p>\n<p>\uadf8 \uc911, \uba54\uc2dc\uc9c0 \ud050\uc758 \uacbd\uc6b0 \uae30\ubcf8\uc73c\ub85c \uc7a1\ud600\uc788\ub294 Open \uac00\ub2a5\ud55c \ucd5c\ub300 \uac2f\uc218\ub294 16\uac1c\ub85c \uc9c0\uc815\ub418\uc5b4 \uc788\ub294\ub370, \uac04\ud639 \uc5ec\ub7ec \uac1c\uc758 \uba54\uc2dc\uc9c0 \ud050\ub97c \uc0ac\uc6a9\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uac70\ub098 \ub4f1\uc758 \uc774\uc720\ub85c \ub9ce\uc740 \uac2f\uc218\uc758 Message Queue\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n<p>\uc624\ub298 \uc788\uc5c8\ub358 \uc77c\ub3c4 \uadf8 \uc911 \ud558\ub098\uc600\ub294\ub370, \uacc4\uc18d \ud574\uc11c \ud504\ub85c\uadf8\ub7a8 \uad6c\ub3d9\uc2dc, Message Queue\uc758 \uc0dd\uc131\uc774 \uc2e4\ud328\ud558\uba70 \uc790\uafb8 \ud504\ub85c\uadf8\ub7a8\uc774 \uc8fd\ub294 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud588\ub2e4. \ud55c\ucc38\uc744 \uace0\ubbfc\ud558\ub2e4\uac00 \uc120\uc784\uc758 \ub3c4\uc6c0\uc73c\ub85c \ud574\uacb0\ud560 \uc218 \uc788\uc5c8\ub2e4.<\/p>\n<p>\ubb38\uc81c\uc758 \ud30c\uc545\uc740 icps -q \uba85\ub839\uc5b4\ub85c \uc2dc\uc791\ud55c\ub2e4.<\/p>\n<p>\ud604\uc7ac \uc6b4\uc6a9 \uc911\uc778 \ub9ce\uc740 \uc218\uc758 \uba54\uc2dc\uc9c0 \ud050. \uc774\uac83\uc774 \ubb38\uc81c\uc600\ub2e4.<\/p>\n<blockquote><p>[cube@cube1 RUN]$ ipcs -q<\/p>\n<p>&#8212;&#8212; Message Queues &#8212;&#8212;&#8211;<br \/>\nkey\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 msqid\u00a0\u00a0\u00a0\u00a0\u00a0 owner\u00a0\u00a0\u00a0\u00a0\u00a0 perms\u00a0\u00a0\u00a0\u00a0\u00a0 used-bytes\u00a0\u00a0 messages<br \/>\n0x00015d40 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x00015d41 32769\u00a0\u00a0\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x00018388 1441794\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x00018389 1474563\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182bb 5079044\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182eb 5111813\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182ec 5144582\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182b9 5177351\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182ba 5210120\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182bc 5242889\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x0000ea60 5505034\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<p>\uace7\ubc14\ub85c \ud655\uc778 \ud574 \ubcf8 \uc0dd\uc131\uac00\ub2a5\ud55c \uba54\uc2dc\uc9c0 \ud050 \uac2f\uc218. 16\uac1c\ub2e4. \ub2f9\uc5f0\ud788 \ubb38\uc81c\uac00 \uc0dd\uae38 \uc218 \ubc16\uc5d0.<\/p>\n<blockquote><p>[cube@cube1 RUN]$ ipcs -lq<\/p>\n<p>&#8212;&#8212; Messages: Limits &#8212;&#8212;&#8211;<br \/>\nmax queues system wide = 16<br \/>\nmax size of message (bytes) = 8192<br \/>\ndefault max size of queue (bytes) = 16384<\/p><\/blockquote>\n<p>\uad6c\uae00\ub9c1\uc744 \ud574\ubcf4\ub2c8 \ucee4\ub110\uc18c\uc2a4\uc758 msg.h \ud5e4\ub354 \ud30c\uc77c\uc5d0\uc11c<\/p>\n<blockquote><p><strong>#define MSGMNI   16   \/* &lt;= IPCMNI *\/     \/* max # of msg queue<\/strong><\/p><\/blockquote>\n<p>\ubd80\ubd84\uc744 \uc6d0\ud558\ub294 \uc591\uc73c\ub85c \uc218\uc815\ud55c \ud6c4, \ub2e4\uc2dc \ucee4\ub110 \ucef4\ud30c\uc77c\uc744 \uc218\ud589\ud558\uba74 \ub41c\ub2e4\uace0 \ud55c\ub2e4. \ud558\uc9c0\ub9cc \uc800 \ubd80\ubd84 \ud558\ub098\ub9cc\uc744 \uc704\ud574 \ucee4\ub110 \ucef4\ud30c\uc77c\uc744 \ud558\uae30\uc5d0\ub294 \ub108\ubb34 \ube44\ud6a8\uc728\uc801\uc774\ub2e4. \ub2e4\ud589\ud788 \ub2e4\ub978 \ubc29\ubc95\uc774 \uc788\uc5c8\ub2e4.<\/p>\n<p>sysctl \uba85\ub839\uc5b4\ub97c \ud1b5\ud55c \uc218\uc815 \ubc29\ubc95\ub3c4 \uc788\uc5c8\ub2e4. \uc7ac\ubd80\ud305\uc774 \ub418\uba74 \uc774 \uc124\uc815\uc740 \ub2e4\uc2dc \ucd08\uae30\ud654\uac00 \ub418\uc9c0\ub9cc \ubc29\ubc95\uacfc(rc.local \ud30c\uc77c\uc5d0 \uc124\uc815\ud55c\ub2e4\uac70\ub098..) \ub54c\uc5d0(\uc7a0\uc2dc\ub9cc \uc0ac\uc6a9\ud560 \uacbd\uc6b0) \ub530\ub77c\uc11c\ub294 \uc694\uae34\ud55c \ubc29\ubc95\uc774\ub2e4.<\/p>\n<p>root \uacc4\uc815\uc73c\ub85c \ub85c\uadf8\uc778\ud55c \ud6c4, sysctl \uba85\ub839\uc5b4\ub97c \ud1b5\ud574 \uba54\uc2dc\uc9c0 \ud050\uc758 \uac2f\uc218\ub97c \ub298\ub9ac\ub294 \ubc29\ubc95\uc740 \uc544\ub798\uc640 \uac19\ub2e4.<\/p>\n<div>\n<blockquote><p><strong>sysctl -w kernel.msgmni=32<\/strong><\/p><\/blockquote>\n<\/div>\n<p>\ub2e4\uc74c\uc740 \uc704\uc758 \uba85\ub839\uc5b4 \uc774\ud6c4\uc5d0 \ud655\uc778\ud55c \uba54\uc2dc\uc9c0 \ud050\uc758 \ub0b4\uc6a9\ub4e4\uc774\ub2e4.<\/p>\n<blockquote><p>[cube@cube1 RUN]$ ipcs -q<\/p>\n<p>&#8212;&#8212; Message Queues &#8212;&#8212;&#8211;<br \/>\nkey\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 msqid\u00a0\u00a0\u00a0\u00a0\u00a0 owner\u00a0\u00a0\u00a0\u00a0\u00a0 perms\u00a0\u00a0\u00a0\u00a0\u00a0 used-bytes\u00a0\u00a0 messages<br \/>\n0x00015d40 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1<br \/>\n0x00015d41 32769\u00a0\u00a0\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x00018388 1441794\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x00018389 1474563\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182bb 5079044\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182eb 5111813\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182ec 5144582\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182b9 5177351\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182ba 5210120\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x000182bc 5242889\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x0000ea60 5505034\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x0000ea61 5537803\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x0000ea62 5570572\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x0000ea63 5603341\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x0000ea64 5636110\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x0000ea65 5668879\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n0x0000ea66 5701648\u00a0\u00a0\u00a0 cube\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 666\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<blockquote><p>[cube@cube1 RUN]$ ipcs -lq<\/p>\n<p>&#8212;&#8212; Messages: Limits &#8212;&#8212;&#8211;<br \/>\nmax queues system wide = 32<br \/>\nmax size of message (bytes) = 8192<br \/>\ndefault max size of queue (bytes) = 16384<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub9ac\ub205\uc2a4\uc5d0\uc11c\ub294 \uc5ec\ub7ec\uac00\uc9c0 IPC(Interprocess Communication) \uc744 \uc9c0\uc6d0\ud55c\ub2e4. \uadf8 \uc911, \uba54\uc2dc\uc9c0 \ud050\uc758 \uacbd\uc6b0 \uae30\ubcf8\uc73c\ub85c \uc7a1\ud600\uc788\ub294 Open \uac00\ub2a5\ud55c \ucd5c\ub300 \uac2f\uc218\ub294 16\uac1c\ub85c \uc9c0\uc815\ub418\uc5b4 \uc788\ub294\ub370, \uac04\ud639 \uc5ec\ub7ec \uac1c\uc758 \uba54\uc2dc\uc9c0 \ud050\ub97c \uc0ac\uc6a9\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uac70\ub098 \ub4f1\uc758 \uc774\uc720\ub85c \ub9ce\uc740 \uac2f\uc218\uc758 Message Queue\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud55c\ub2e4. \uc624\ub298 \uc788\uc5c8\ub358 &hellip; <a href=\"http:\/\/pchero21.com\/?p=2060\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[25],"tags":[],"_links":{"self":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/2060"}],"collection":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2060"}],"version-history":[{"count":0,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/2060\/revisions"}],"wp:attachment":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2060"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}