{"id":1915,"date":"2018-05-30T21:05:56","date_gmt":"2018-05-30T12:05:56","guid":{"rendered":"http:\/\/matoken.org\/blog\/?p=1915"},"modified":"2018-05-30T21:05:56","modified_gmt":"2018-05-30T12:05:56","slug":"create-swap-files-and-easily-increase-swap","status":"publish","type":"post","link":"https:\/\/matoken.org\/blog\/2018\/05\/30\/create-swap-files-and-easily-increase-swap\/","title":{"rendered":"\u30b9\u30ef\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u3063\u3066\u304a\u624b\u8efd\u306b\u30b9\u30ef\u30c3\u30d7\u3092\u5897\u3084\u3059"},"content":{"rendered":"

RAM\u3092\u5927\u91cf\u306b\u5fc5\u8981\u3068\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3042\u3063\u3066\u9045\u304f\u3066\u3082\u3044\u3044\u304b\u3089\u4e00\u6642\u7684\u306b\u30b9\u30ef\u30c3\u30d7\u3092\u5897\u3084\u3057\u3066\u3084\u308a\u904e\u3054\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\uff0e\u307e\u305f\uff0cRAM\u306e\u5c11\u306a\u3044\u30de\u30b7\u30f3\u3067\u30c7\u30a3\u30b9\u30af\u306e\u69cb\u6210\u3092\u3044\u3058\u308b\u306e\u304c\u9762\u5012\u306a\u3068\u304d\u306b\u3082\u30b9\u30ef\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u304c\u4f7f\u3048\u307e\u3059\uff0e\u3068\u3044\u3046\u3053\u3068\u3067\u4eca\u56deRAM\u304c2GB\u3067\u305d\u3053\u305d\u3053\u3042\u308b\u3051\u3069\u5076\u306b\u4f7f\u3044\u5207\u3063\u3066\u3057\u307e\u3046(\u4e3b\u306bchromium!)\u306e\u3067\u30b9\u30ef\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3057\u3066\u307f\u307e\u3057\u305f\uff0e<\/p>\n

\u30b9\u30ef\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\uff0e\u4eca\u56de\u306f\/var\/tmp\/swap.img<\/code>\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u30672GB\u7528\u610f\u3057\u307e\u3057\u305f\uff0e<\/p>\n

$ sudo install -o root -g root -m 0600 \/dev\/null \/var\/tmp\/swap.img\r\n$ sudo dd if=\/dev\/zero of=\/var\/tmp\/swap.img bs=1M count=2048\r\n$ sudo mkswap \/var\/tmp\/swap.img\r\n<\/code><\/pre>\n
\u3068\u308a\u3042\u3048\u305a\u30b9\u30ef\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c9\u30db\u30c3\u30af\u306b\u6709\u52b9\u306b\u3057\u307e\u3059\uff0e<\/p>\n
$ sudo swapon \/var\/tmp\/swap.img \r\n<\/code><\/pre>\n
\uff0e\u30b9\u30ef\u30c3\u30d7\u304c\u5897\u3048\u3066\u3044\u307e\u3059\uff0e<\/p>\n
$ swapon -s\r\nFilename                                Type            Size    Used    Priority\r\n\/dev\/zram0                              partition       254688  80024   5\r\n\/dev\/zram1                              partition       254688  80016   5\r\n\/dev\/zram2                              partition       254688  79940   5\r\n\/dev\/zram3                              partition       254688  79928   5\r\n\/var\/tmp\/swap.img                       file            2097148 0       -1\r\n<\/code><\/pre>\n
\u4e00\u6642\u7684\u306b\u5fc5\u8981\u306a\u5834\u5408\u306f\u3053\u308c\u3067\u826f\u3044\u306e\u3067\u3059\u304c\uff0c\u6052\u4e45\u7684\u306b\u5229\u7528\u3057\u305f\u3044\u5834\u5408\u306f\u3053\u306e\u307e\u307e\u3067\u306f\u518d\u8d77\u52d5\u5f8c\u306b\u306f\u6709\u52b9\u306b\u306a\u308a\u307e\u305b\u3093\uff0e\/etc\/fstab<\/code>\u306b\u8a2d\u5b9a\u3092\u66f8\u3044\u3066\u8d77\u52d5\u6642\u306b\u6709\u52b9\u306b\u306a\u308b\u3088\u3046\u306b\u3057\u307e\u3059\uff0e<\/p>\n
$ sudo vi \/etc\/fstab\r\n$ grep -i swap.img \/etc\/fstab \r\n\/var\/tmp\/swap.img     none    swap    sw      0       0\r\n<\/code><\/pre>\n
\u4e00\u65e6swapoff<\/code>\u3067\u30b9\u30ef\u30c3\u30d7\u3092\u7121\u52b9\u306b\u3057\u3066swapon -<\/span>a<\/code>\u3067fatab\u306e\u8a2d\u5b9a\u304c\u6709\u52b9\u304b\u8a66\u3057\u307e\u3059\uff0eswapon -<\/span>a<\/code>\u306ffstab<\/code>\u306e\u30b9\u30ef\u30c3\u30d7\u306e\u8a2d\u5b9a\u3092\u5168\u3066\u6709\u52b9\u306b\u3057\u307e\u3059\uff0e<\/p>\n
$ sudo swapoff \/var\/tmp\/swap.img\r\n$ sudo swapon -a\r\n$ swapon -s\r\nFilename                                Type            Size    Used    Priority\r\n\/dev\/zram0                              partition       254688  80020   5\r\n\/dev\/zram1                              partition       254688  80016   5\r\n\/dev\/zram2                              partition       254688  79940   5\r\n\/dev\/zram3                              partition       254688  79928   5\r\n\/var\/tmp\/swap.img                       file            2097148 0       -1\r\n\r\n<\/code><\/pre>\n
\u5ff5\u306e\u305f\u3081\u518d\u8d77\u52d5\u3057\u3066\u30b9\u30ef\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u304c\u6709\u52b9\u304b\u3082\u8a66\u305b\u3070OK\u3067\u3059 :)<\/p>\n
\u30b9\u30ef\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u306e\u5229\u7528\u306f\u304a\u624b\u8efd\u3067\u3059\u304c\uff0c\u30b9\u30ef\u30c3\u30d7\u30d1\u30fc\u30c6\u30a3\u30fc\u30b7\u30e7\u30f3\u306b\u6bd4\u3079\u308b\u3068\u6027\u80fd\u306f\u5c11\u3057\u843d\u3061\u308b\u306e\u3067\u53ef\u80fd\u306a\u3089\u30b9\u30ef\u30c3\u30d7\u30d1\u30fc\u30c6\u30a3\u30fc\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u305f\u307b\u3046\u304c\u826f\u3044\u3067\u3059\uff0eRAM\u304c\u5897\u8a2d\u3067\u304d\u308b\u306a\u3089\u305d\u308c\u304c\u4e00\u756a\u3067\u3059\uff0e<\/p>\n
\u74b0\u5883<\/h2>\n
$ dpkg-query -W mount\r\nmount   2.27.1-6ubuntu3.6\r\n$ lsb_release -d\r\nDescription:    Ubuntu 16.04.4 LTS\r\n$ uname -m\r\naarch64\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
RAM\u3092\u5927\u91cf\u306b\u5fc5\u8981\u3068\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3042\u3063\u3066\u9045\u304f\u3066\u3082\u3044\u3044\u304b\u3089\u4e00\u6642\u7684\u306b\u30b9\u30ef\u30c3\u30d7\u3092\u5897\u3084\u3057\u3066\u3084\u308a\u904e\u3054\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\uff0e\u307e\u305f\uff0cRAM\u306e\u5c11\u306a\u3044\u30de\u30b7\u30f3\u3067\u30c7\u30a3\u30b9\u30af\u306e\u69cb\u6210\u3092\u3044\u3058\u308b\u306e\u304c\u9762\u5012\u306a\u3068\u304d\u306b\u3082\u30b9\u30ef\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u304c\u4f7f\u3048\u307e\u3059\uff0e\u3068\u3044\u3046\u3053\u3068\u3067\u4eca […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"webmentions_disabled_pings":false,"webmentions_disabled":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[6,63,152],"tags":[162,339],"class_list":["post-1915","post","type-post","status-publish","format-standard","hentry","category-linux","category-ubuntu","category-xenial16-04","tag-swap","tag-swapfile"],"_links":{"self":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts\/1915","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/comments?post=1915"}],"version-history":[{"count":0,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts\/1915\/revisions"}],"wp:attachment":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/media?parent=1915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/categories?post=1915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/tags?post=1915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}