{"id":895,"date":"2009-07-03T01:00:00","date_gmt":"2009-07-02T16:00:00","guid":{"rendered":"https:\/\/ecoop.net\/memo\/2009-07-03-1.html"},"modified":"2017-04-20T18:11:16","modified_gmt":"2017-04-20T09:11:16","slug":"2009-07-03-1","status":"publish","type":"post","link":"https:\/\/www.ecoop.net\/memo\/archives\/2009-07-03-1.html","title":{"rendered":"Linux\u306e\/proc \u4ee5\u4e0b\u3092\u898b\u3066\u3001\u30e1\u30e2\u30ea\u5229\u7528\u72b6\u6cc1\u3092\u8abf\u67fb\u3059\u308b(OOM Killer\u5bfe\u7b56)"},"content":{"rendered":"

\noom-killer \u304b\u3089\u30e1\u30e2\u30ea\u95a2\u4fc2\u3092\u8ffd\u3063\u3066\u3044\u3066\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002
\nproc\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u914d\u4e0b\u306e\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u30d5\u30a1\u30a4\u30eb<\/a>(redhat.com)
\n 
\n\u30fb \/proc\/meminfo
\n\u73fe\u5728\u306e\u30e1\u30e2\u30ea\u306e\u4f7f\u7528\u72b6\u6cc1\u3092\u8868\u793a\u3057\u307e\u3059\u3002
\n\u6838\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8a73\u7d30\u306f\u3053\u3061\u3089<\/a>(Linux\u30ab\u30fc\u30cd\u30eb\u30e1\u30e2)
\n\u4f8b:<\/p>\n

$ cat \/proc\/meminfo
\nMemTotal: 10391204 kB
\nMemFree: 5276876 kB
\nBuffers: 436432 kB
\nCached: 3746096 kB
\nSwapCached: 0 kB
\nActive: 3976932 kB
\nInactive: 757892 kB
\nHighTotal: 9567104 kB
\nHighFree: 5034592 kB
\nLowTotal: 824100 kB
\nLowFree: 242284 kB
\nSwapTotal: 8385920 kB
\nSwapFree: 8385920 kB
\nDirty: 96 kB
\nWriteback: 112 kB
\nAnonPages: 467276 kB
\nMapped: 884892 kB
\nSlab: 137352 kB
\nPageTables: 224292 kB
\nNFS_Unstable: 0 kB
\nBounce: 0 kB
\nCommitLimit: 13581520 kB
\nCommitted_AS: 2113328 kB
\nHighTotal: 9567104 kB
\nHighFree: 5034592 kB
\nLowTotal: 824100 kB
\nLowFree: 242284 kB
\nSwapTotal: 8385920 kB
\nSwapFree: 8385920 kB
\nDirty: 96 kB
\nWriteback: 112 kB
\nAnonPages: 467276 kB
\nMapped: 884892 kB
\nSlab: 137352 kB
\nPageTables: 224292 kB
\nNFS_Unstable: 0 kB
\nBounce: 0 kB
\nCommitLimit: 13581520 kB
\nCommitted_AS: 2113328 kB
\nVmallocTotal: 116728 kB
\nVmallocUsed: 6884 kB
\nVmallocChunk: 109344 kB
\nHugePages_Total: 0
\nHugePages_Free: 0
\nHugePages_Rsvd: 0
\nHugepagesize: 2048 kB\n<\/p><\/blockquote>\n

\u30fb \/proc\/buddyinfo
\n DMA, Normal, Highmem \u9818\u57df\u3054\u3068\u306e\u7a7a\u304d\u30e1\u30e2\u30ea\u30b9\u30ed\u30c3\u30c8(\u30da\u30fc\u30b8\u5358\u4f4d)\u3092\u8868\u793a\u3057\u307e\u3059\u3002
\n\u5de6\u304b\u3089 1*4KB, 2*4KB, 4*4KB, 8*4KB, …, 4096*4KB(1\u30da\u30fc\u30b8=4096\u30d0\u30a4\u30c8\u306e\u5834\u5408) \u3092\uff11\u5358\u4f4d\u3068\u3057\u305f\u30b9\u30ed\u30c3\u30c8\u6570\u3092\u8868\u793a\u3057\u3066\u3044\u3066\u3001\uff11\u884c\u306e\u5408\u8a08\u304c\u305d\u306e\u9818\u57df\u306e\u5168\u7a7a\u304d\u5bb9\u91cf\u306b\u306a\u308a\u307e\u3059\u3002
\n\u4f8b:\n<\/p>\n

$ cat \/proc\/buddyinfo
\nNode 0, zone DMA 5 2 0 0 0 0 0 1 1 1 0
\nNode 0, zone Normal 209 104 20 5 2 1 0 0 1 1 0
\nNode 0, zone HighMem 6925 3038 1002 212 17508 8000 1164 274 118 9 633\n<\/p><\/blockquote>\n

 
\n\u30fb \/proc\/zoneinfo
\nDMA, Normal, Highmem \u9818\u57df\u3054\u3068\u306e\u8a73\u7d30\u306a\u30e1\u30e2\u30ea\u4f7f\u7528\u72b6\u6cc1\u3092\u8868\u793a\u3057\u307e\u3059\u3002
\n\u4f8b:\n<\/p>\n

$ cat \/proc\/zoneinfo
\nNode 0, zone DMA \/\/ DMA \u9818\u57df\u306e\u60c5\u5831(\u5358\u4f4d:\u30da\u30fc\u30b8)
\n  pages free 905
\n        min 17
\n        low 21
\n        high 25
\n        active 2
\n        inactive 0
\n        scanned 0 (a: 21 i: 9)
\n        spanned 4096
\n        present 4096
\n\u30fb\u30fb\u30fb\u4e2d\u7565\u30fb\u30fb\u30fb
\nNode 0, zone Normal \/\/ Normal \u9818\u57df\u306e\u60c5\u5831(\u5358\u4f4d:\u30da\u30fc\u30b8)
\n  pages free 1305
\n        min 939
\n        low 1173
\n        high 1408
\n        active 625
\n        inactive 1889
\n        scanned 0 (a: 9 i: 0)
\n        spanned 225280
\n        present 225280
\n\u30fb\u30fb\u30fb\u4ee5\u4e0b\u7565\u30fb\u30fb\u30fb\n<\/p><\/blockquote>\n

\u53c2\u8003:
\n– Linux\u30ab\u30fc\u30cd\u30eb\u30e1\u30e2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

oom-killer \u304b\u3089\u30e1\u30e2\u30ea\u95a2\u4fc2\u3092\u8ffd\u3063\u3066\u3044\u3066\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002 proc\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u914d\u4e0b\u306e\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u30d5\u30a1\u30a4\u30eb(redhat.com)   \u30fb \/proc\/meminfo \u73fe\u5728\u306e\u30e1\u30e2\u30ea\u306e\u4f7f\u7528\u72b6\u6cc1\u3092\u8868\u793a … \u7d9a\u304d\u3092\u8aad\u3080 Linux\u306e\/proc \u4ee5\u4e0b\u3092\u898b\u3066\u3001\u30e1\u30e2\u30ea\u5229\u7528\u72b6\u6cc1\u3092\u8abf\u67fb\u3059\u308b(OOM Killer\u5bfe\u7b56)<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[135],"tags":[20],"class_list":["post-895","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts\/895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/comments?post=895"}],"version-history":[{"count":0,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts\/895\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/media?parent=895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/categories?post=895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/tags?post=895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}