{"id":1899,"date":"2014-03-05T16:38:43","date_gmt":"2014-03-05T07:38:43","guid":{"rendered":"http:\/\/hyunsu.com\/wordpress\/?p=1899"},"modified":"2014-03-05T16:46:37","modified_gmt":"2014-03-05T07:46:37","slug":"mongodb-%eb%8f%84%ed%81%90%eb%a8%bc%ed%8a%b8%ec%97%90-ttl-%ea%b1%b8%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/hyunsu.com\/wordpress\/?p=1899","title":{"rendered":"mongodb \ub3c4\ud050\uba3c\ud2b8\uc5d0 ttl \uac78\uae30"},"content":{"rendered":"

mongodb 2.2\ubd80\ud130 expire \uc635\uc158\uc744 \uc4f8 \uc218 \uc788\uac8c \ub418\uc5c8\ub2e4.
\n\uadf8\ub798\uc11c \uc77c\uc815\uc2dc\uac04\uc774 \uc9c0\ub09c \ud6c4 \ub3c4\ud050\uba3c\ud2b8\ub97c \uc790\ub3d9\uc73c\ub85c \uc0ad\uc81c\ud560 \uc218 \uc788\ub2e4.
\n\uc608\ub97c \ub4e4\uc5b4, \ub124\ud2b8\uc6cc\ud06c\ud2b8\ub798\ud53d\uc744 \uc218\uc9d1\ud574\uc11c \uc2dc\uc2a4\ud15c\uc744 \ub9cc\ub4e4\uc5c8\ub294\ub370 \ud2b8\ub798\ud53d\ub370\uc774\ud130\ub97c \ucd5c\uadfc 6\uac1c\uc6d4\uce58\ub9cc \uc720\uc9c0\ud558\uace0 \uc2f6\uc744 \ub54c
\n\uc624\ub798\ub41c \ub3c4\ud050\uba3c\ud2b8\ub97c \uc9c0\uc6b0\ub294 \uc791\uc5c5\uc744 \ub530\ub85c \ud558\uc9c0 \uc54a\uc544\ub3c4 \ub41c\ub2e4.<\/p>\n

\uacf5\uc2dd\uba54\ub274\uc5bc : http:\/\/docs.mongodb.org\/manual\/tutorial\/expire-data\/#expire-documents-after-a-certain-number-of-seconds<\/p>\n

2\uac00\uc9c0 \ubc29\ubc95\uc774 \uc788\ub2e4.
\n1. \ub3c4\ud050\uba3c\ud2b8\uac00 \uc0dd\uc131\ub41c \uc2dc\uac01\ubd80\ud130 \uc9c0\uc815\ub41c \uc2dc\uac04(\ucd08)\uac00 \uc9c0\ub09c \ud6c4 \uc0ad\uc81c.
\n2. \uc5b8\uc81c \uc0ad\uc81c\ud560 \uc9c0 \ud2b9\uc815 \uc2dc\uac01\uc744 \ub3c4\ud050\uba3c\ud2b8\uc5d0 \uc9c0\uc815.<\/p>\n

\uc9c0\uc815\ub41c \uc2dc\uac04\uc774 \uc9c0\ub09c \ud6c4 \uc0ad\uc81c\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc790.
\n\uc778\ub371\uc2a4\ub97c \uc544\ub798\ucc98\ub7fc \uc0dd\uc131\ud55c\ub2e4.<\/p>\n

db.log.events.ensureIndex( { \"createdAt\": 1 }, { expireAfterSeconds: 3600 } )<\/pre>\n
 <\/p>\n
createdAt \uce7c\ub7fc\uc740 \ub3c4\ud050\uba3c\ud2b8\uc5d0 \ub4e4\uc5b4\uac08 \ud56d\ubaa9\uc774\ub2e4.
\nexpireAfterSeconds\uc5d0\uc11c\ub294 \ub3c4\ud050\uba3c\ud2b8\uac00 \uc0dd\uc131\ub41c \ud6c4 \uc5bc\ub9c8 \uc9c0\ub09c \ud6c4 \uc0ad\uc81c\ud560 \uac83\uc778\uc9c0 \ucd08\ub2e8\uc704\ub85c \uc9c0\uc815\ud55c\ub2e4.<\/p>\n
\uc774\uc81c \ub3c4\ud050\uba3c\ud2b8\ub97c \uc0dd\uc131\ud560 \ub54c createdAt \ud544\ub4dc\ub97c \ucd94\uac00\ud558\uba74 \ub41c\ub2e4.<\/p>\n
db.log.events.insert( {\r\n\u00a0 \u00a0 \"createdAt\": new Date(),\r\n\u00a0 \u00a0 \"logEvent\": 2,\r\n\u00a0 \u00a0 \"logMessage\": \"Success!\"} )<\/pre>\n
 <\/p>\n
createdAt\ud544\ub4dc\uc5d0 \uc9c0\uae08\uc2dc\uac01\uc744 \uc9c0\uc815\ud574\uc8fc\uba74 \ub41c\ub2e4.
\npython\uc5d0\uc11c pymongo\ub97c \uc774\uc6a9\ud558\uc5ec \ub3c4\ud050\uba3c\ud2b8\ub97c \uc0dd\uc131\ud558\ub294 \ubc29\ubc95\uc740 \uc544\ub798\uc640 \uac19\ub2e4.<\/p>\n
import datetime\r\ndoc['createdAt'] = datetime.datetime.utcnow()<\/pre>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
mongodb 2.2\ubd80\ud130 expire \uc635\uc158\uc744 \uc4f8 \uc218 \uc788\uac8c \ub418\uc5c8\ub2e4. \uadf8\ub798\uc11c \uc77c\uc815\uc2dc\uac04\uc774 \uc9c0\ub09c \ud6c4 \ub3c4\ud050\uba3c\ud2b8\ub97c \uc790\ub3d9\uc73c\ub85c \uc0ad\uc81c\ud560 \uc218 \uc788\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub124\ud2b8\uc6cc\ud06c\ud2b8\ub798\ud53d\uc744 \uc218\uc9d1\ud574\uc11c \uc2dc\uc2a4\ud15c\uc744 \ub9cc\ub4e4\uc5c8\ub294\ub370 \ud2b8\ub798\ud53d\ub370\uc774\ud130\ub97c \ucd5c\uadfc 6\uac1c\uc6d4\uce58\ub9cc \uc720\uc9c0\ud558\uace0 \uc2f6\uc744 \ub54c \uc624\ub798\ub41c \ub3c4\ud050\uba3c\ud2b8\ub97c \uc9c0\uc6b0\ub294 \uc791\uc5c5\uc744 \ub530\ub85c \ud558\uc9c0 \uc54a\uc544\ub3c4 \ub41c\ub2e4. \uacf5\uc2dd\uba54\ub274\uc5bc : http:\/\/docs.mongodb.org\/manual\/tutorial\/expire-data\/#expire-documents-after-a-certain-number-of-seconds 2\uac00\uc9c0 \ubc29\ubc95\uc774 \uc788\ub2e4. 1. \ub3c4\ud050\uba3c\ud2b8\uac00 \uc0dd\uc131\ub41c \uc2dc\uac01\ubd80\ud130 \uc9c0\uc815\ub41c \uc2dc\uac04(\ucd08)\uac00 \uc9c0\ub09c \ud6c4 \uc0ad\uc81c. 2. \uc5b8\uc81c \uc0ad\uc81c\ud560 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[],"class_list":["post-1899","post","type-post","status-publish","format-standard","hentry","category-coding"],"_links":{"self":[{"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1899"}],"version-history":[{"count":4,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1899\/revisions"}],"predecessor-version":[{"id":1903,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1899\/revisions\/1903"}],"wp:attachment":[{"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}