{"id":15126,"date":"2015-05-27T22:02:44","date_gmt":"2015-05-27T13:02:44","guid":{"rendered":"http:\/\/oichinote.com\/plus\/?p=15126"},"modified":"2015-05-27T22:02:44","modified_gmt":"2015-05-27T13:02:44","slug":"effect-of-l2arc-on-zfs","status":"publish","type":"post","link":"https:\/\/oichinote.com\/plus\/2015\/05\/effect-of-l2arc-on-zfs.html","title":{"rendered":"ZFS\u306eL2ARC\u306e\u52b9\u679c\u3082\u8abf\u3079\u308b"},"content":{"rendered":"<p>ZFS\u306eARC\u306e\u52b9\u679c\u3092\u8abf\u3079\u307e\u3057\u305f\u3002\u304d\u3063\u304b\u3051\u306f\u3001\u6b21\u306e\u30e1\u30fc\u30eb\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"http:\/\/cgi.samba.gr.jp\/mailman\/archives\/netatalk-ja\/2015-May\/000459.html\" target=\"_blank\">[netatalk-ja:0460] ZFS 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src=\"https:\/\/oichinote.com\/plus\/files\/2015\/05\/20150527zfs-arcl2arc-on-off.png\" alt=\"ARC\/L2ARC On\/Off\u3067\u306eFIO\u30d9\u30f3\u30c1\u30de\u30fc\u30af\" width=\"480\" height=\"193\" class=\"alignnone size-full wp-image-15129\" srcset=\"https:\/\/oichinote.com\/plus\/files\/2015\/05\/20150527zfs-arcl2arc-on-off.png 480w, https:\/\/oichinote.com\/plus\/files\/2015\/05\/20150527zfs-arcl2arc-on-off-150x60.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>L2ARC\u3060\u3051\u3092Off\u306b\u3057\u305f\u6642\u306f\u3001\u305d\u308c\u307b\u3069\u901f\u5ea6\u4f4e\u4e0b\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u4f55\u6545\u304b\u3001Random Read\u306e512k\u306e\u901f\u5ea6\u304c\u4e0a\u304c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u901f\u5ea6\u4f4e\u4e0b\u7387\u306f\u6b21\u306e\u69d8\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/oichinote.com\/plus\/files\/2015\/05\/20150527zfs-arcl2arc-on-off-downrate.png\" alt=\"ARC\/L2CAR on\/off\u3067\u306e\u901f\u5ea6\u4f4e\u4e0b\u7387\" width=\"480\" height=\"289\" class=\"alignnone size-full wp-image-15128\" srcset=\"https:\/\/oichinote.com\/plus\/files\/2015\/05\/20150527zfs-arcl2arc-on-off-downrate.png 480w, https:\/\/oichinote.com\/plus\/files\/2015\/05\/20150527zfs-arcl2arc-on-off-downrate-150x90.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>Read\u306e\u901f\u5ea6\u4f4e\u4e0b\u7387\u306e\u65b9\u304c\u5927\u304d\u3044\u69d8\u306a\u6c17\u3082\u3057\u307e\u3059\u304c\u3001ARC\u3060\u3051\u3092Off\u306b\u3057\u305f\u6642\u3088\u308a\u3082\u5dee\u304c\u5c0f\u3055\u304f\u306a\u3063\u3066\u3044\u308b\u69d8\u3067\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u3066\u6bd4\u3079\u3066\u307f\u308b\u3068\u3001ARC(DRAM)\u306e\u52b9\u679c\u304c\u5927\u304d\u3044\u4e8b\u304c\u3088\u304f\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3055\u3066\u3001Samba(SMB\u63a5\u7d9a)\u306e\u6642\u306f\u3069\u3046\u304b? \u3068\u8a00\u3046\u4e8b\u3067\u3059\u304c\u3001\u8abf\u67fb\u4e2d\u3067\u3059\u3002\u524d\u56de\u306e\u8abf\u67fb\u3067\u306f\u3001SMB1\u3067\u63a5\u7d9a\u3057\u3066\u3044\u305f\u4e8b\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002Samba\u306e\u30d0\u30fc\u30b8\u30e7\u30f3(3.6\/4.1)\u306e\u5909\u66f4\u3001max 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