{"id":2522,"date":"2013-06-10T09:23:56","date_gmt":"2013-06-10T00:23:56","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=2522"},"modified":"2018-11-14T16:33:54","modified_gmt":"2018-11-14T07:33:54","slug":"redis-backup-and-restore","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2013\/06\/10\/redis-backup-and-restore\/","title":{"rendered":"Redis\u306b\u304a\u3051\u308bRDB\u30d5\u30a1\u30a4\u30eb\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>Redis \u306b\u304a\u3051\u308b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u30ea\u30b9\u30c8\u30a2\u306b\u3064\u3044\u3066\u8abf\u3079\u307e\u3057\u305f\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u3092\u6c38\u7d9a\u5316\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u300c<a title=\"Redis\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u306e\u6c38\u7d9a\u5316\" href=\"http:\/\/www.techscore.com\/blog\/2013\/05\/08\/redis-persistence\/\">Redis\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u306e\u6c38\u7d9a\u5316<\/a>\u300d\u3067\u8abf\u3079\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>RDB \u30d5\u30a1\u30a4\u30eb\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/h2>\n<p>RDB \u30d5\u30a1\u30a4\u30eb\u3067\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>BGSAVE \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\uff08\u975e\u540c\u671f\u3067\u306e RDB \u30d5\u30a1\u30a4\u30eb\u306e\u751f\u6210\u304c\u958b\u59cb\u3055\u308c\u308b\uff09\u3002<\/li>\n<li>RDB \u30d5\u30a1\u30a4\u30eb\u306e\u751f\u6210\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u5f85\u6a5f\u3059\u308b\uff08\u5b8c\u4e86\u3057\u305f\u304b\u3069\u3046\u304b\u306f\u3001LASTSAVE \u30b3\u30de\u30f3\u30c9\u306e\u7d50\u679c\u304c\u5909\u5316\u3057\u305f\u3053\u3068\u3084\u3001RDB \u30d5\u30a1\u30a4\u30eb\u306e i-node \u756a\u53f7\u304c\u5909\u5316\u3057\u305f\u3053\u3068\u3067\u5224\u5225\u53ef\u80fd\u3067\u3059\uff09\u3002<\/li>\n<li>\uff08redis-check-dump \u3067\u751f\u6210\u3055\u308c\u305f RDB \u30d5\u30a1\u30a4\u30eb\u306b\u554f\u984c\u304c\u7121\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\uff09<\/li>\n<li>RDB \u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3059\u308b\uff08\u5225\u30b5\u30fc\u30d0\u306a\u3069 Redis \u304c\u52d5\u4f5c\u3059\u308b\u30b5\u30fc\u30d0\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u3066\u3082\u5b89\u5168\u306a\u5834\u6240\u306b\u4fdd\u7ba1\u3059\u308b\uff09\u3002<\/li>\n<\/ol>\n<p>\u4e0a\u8a18\u3092\u4e00\u65e5\u4e00\u56de\u306a\u3069\u3001\u5b9a\u671f\u7684\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>RDB \u30d5\u30a1\u30a4\u30eb\u306f\u30a2\u30c8\u30df\u30c3\u30af\u306b\u5909\u66f4\u3055\u308c\u308b\u306e\u3067\u3001\u5358\u7d14\u306b\u30b3\u30d4\u30fc\u3059\u308c\u3070 OK<\/h2>\n<p>RDB \u30d5\u30a1\u30a4\u30eb\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u3053\u3068\u306f\u3001\u305d\u308c\u304c\u300c\u30a2\u30c8\u30df\u30c3\u30af\u306b\u5909\u66f4\u3055\u308c\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001<\/p>\n<ol>\n<li>\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5185\u5bb9\u3092\u51fa\u529b\u3059\u308b\u3002<\/li>\n<li>\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u51fa\u529b\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u672c\u6765\u4fdd\u5b58\u3059\u3079\u304d\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u30ea\u30cd\u30fc\u30e0\u3059\u308b\u3002<\/li>\n<\/ol>\n<p>\u3068\u3044\u3046\u624b\u9806\u3067\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001RDB \u30d5\u30a1\u30a4\u30eb\u304c\u4e2d\u9014\u534a\u7aef\u306a\u72b6\u614b\uff08\u51fa\u529b\u4e2d\u306e\u72b6\u614b\uff09\u306b\u306f\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u5358\u7d14\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3059\u308b\u3060\u3051\u3067\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u5225\u30b5\u30fc\u30d0\u306b\u8ee2\u9001\u3059\u308b\u306a\u3069\u3001\u5b89\u5168\u306a\u5834\u6240\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>RDB \u30d5\u30a1\u30a4\u30eb\u306e\u751f\u6210: save \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6<\/h2>\n<p>RDB \u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3059\u308b\u306b\u306f\u3001<\/p>\n<ul>\n<li>save \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u4fdd\u5b58\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u6307\u5b9a\u3059\u308b<\/li>\n<li>SAVE \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b<\/li>\n<li>BGSAVE \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b<\/li>\n<\/ul>\n<p>\u306e 3 \u901a\u308a\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>save \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u306f\u300c<a title=\"Redis\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u306e\u6c38\u7d9a\u5316\" href=\"http:\/\/www.techscore.com\/blog\/2013\/05\/08\/redis-persistence\/\">Redis\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u306e\u6c38\u7d9a\u5316<\/a>\u300d\u3067\u8aac\u660e\u3057\u307e\u3057\u305f\u304c\u3001<\/p>\n<pre class=\"lang:default decode:true\">save &lt;seconds&gt; &lt;changes&gt;<\/pre>\n<p>\u3068\u3044\u3046\u5f62\u5f0f\u3067 RDB \u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u51fa\u3059\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>RDB \u30d5\u30a1\u30a4\u30eb\u306e\u751f\u6210: SAVE, BGSAVE \u30b3\u30de\u30f3\u30c9<\/h2>\n<p>SAVE \u30b3\u30de\u30f3\u30c9\u306f\u3001\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u6642\u70b9\u3067 RDB \u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3057\u307e\u3059\u3002BGSAVE \u30b3\u30de\u30f3\u30c9\u3082\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u3061\u3089\u306f\u975e\u540c\u671f\u3067\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>SAVE \u30b3\u30de\u30f3\u30c9\u306f\u51e6\u7406\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u4ed6\u306e\u51e6\u7406\u304c\u884c\u3048\u307e\u305b\u3093\u306e\u3067\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u6642\u306b\u306f BGSAVE \u3092\u7528\u3044\u305f\u307b\u3046\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>BGSAVE \u306f\u30d7\u30ed\u30bb\u30b9\u3092 fork \u3057\u3066\u3001\u751f\u6210\u3055\u308c\u305f\u5b50\u30d7\u30ed\u30bb\u30b9\u304c RDB \u30d5\u30a1\u30a4\u30eb\u306e\u751f\u6210\u3092\u884c\u3046\u305f\u3081\u3001\u30b5\u30fc\u30d0\u672c\u4f53\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u7d9a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5b9a\u671f\u7684\u306a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u884c\u3046\u3068\u304d\u306f\u3001BGSAVE \u3067 RDB \u30d5\u30a1\u30a4\u30eb\u306b\u51fa\u529b\u3057\u3066\u304b\u3089\u3001RDB \u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\uff08save \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u77ed\u3044\u9593\u9694\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u7701\u7565\u3059\u308b\u9078\u629e\u3082\u3042\u308a\u307e\u3059\u3002\uff09<\/p>\n<p>&nbsp;<\/p>\n<h2>redis-check-dump<\/h2>\n<p>Redis \u306b\u306f redis-check-dump \u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u304c\u4ed8\u5c5e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f7f\u3044\u65b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3001\u5f15\u6570\u3067\u6307\u5b9a\u3055\u308c\u305f RDB \u30d5\u30a1\u30a4\u30eb\u306b\u554f\u984c\u304c\u7121\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">redis-check-dump &lt;dump.rdb&gt;<\/pre>\n<p>\u8a66\u3057\u306b\u4f7f\u7528\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u6b63\u5e38\u306a RDB \u30d5\u30a1\u30a4\u30eb\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\u3002\u30b3\u30de\u30f3\u30c9\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306f 0 \u3067\u3059\u3002<\/p>\n<pre class=\"lang:sh decode:true\">$ redis-check-dump dump.rdb \r\n==== Processed 6 valid opcodes (in 35 bytes) ===================================\r\nCRC64 checksum is OK\r\n$ echo $?\r\n0<\/pre>\n<p>\u7834\u640d\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3067\u306f\u4ee5\u4e0b\u306e\u51fa\u529b\u3067\u3057\u305f\u3002\u30b3\u30de\u30f3\u30c9\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306f 0 \u3067\u3057\u305f\u3002\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3060\u3051\u3067 RDB \u30d5\u30a1\u30a4\u30eb\u304c\u7834\u640d\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u5224\u5225\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">$ redis-check-dump corrupted.rdb \r\n==== Processed 1 valid opcodes (in 2 bytes) ====================================\r\n==== Error trace (STRING: fga?) ================================================\r\n0x00000015 - Followed by invalid type\r\n0x0000000b - Error for type STRING\r\n==== Skipped 7 bytes (resuming at 0x00000012) ==================================\r\n==== Processed 3 valid opcodes (in 24 bytes) ===================================\r\n==== Error trace (EOF) =========================================================\r\n0x0000002a - Unexpected EOF\r\n==== Processed 0 valid opcodes (in 0 bytes) ====================================\r\n==== Error trace ===============================================================\r\n0x0000002c - Expected EOF, got \r\n\r\nTotal unprocessable opcodes: 3\r\n$ echo $?\r\n0<\/pre>\n<p>\u4eca\u5ea6\u306f\u30d8\u30c3\u30c0\u3092\u7834\u640d\u3057\u305f RDB \u30d5\u30a1\u30a4\u30eb\u3092\u8a66\u3059\u3068\u3001\u4ee5\u4e0b\u306e\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\uff08\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306f 1\uff09\u3002<\/p>\n<pre class=\"lang:sh decode:true\">$ redis-check-dump corrupted.rdb \r\nWrong signature in header\r\n$ echo $?\r\n1<\/pre>\n<p>\u5168\u304f\u95a2\u4fc2\u306e\u306a\u3044\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3057\u305f\u3068\u3053\u308d\u3001\u6b21\u306e\u3088\u3046\u306a\u51fa\u529b\u3067\u3057\u305f\uff08\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306f 1\uff09\u3002<\/p>\n<pre class=\"lang:sh decode:true\">$ redis-check-dump non-rdb.txt \r\nCannot read header\r\n$ echo $?\r\n1<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>RDB \u30d5\u30a1\u30a4\u30eb\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u3064\u3044\u3066\u8abf\u3079\u307e\u3057\u305f\u3002\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u308b\u3068\u3001<\/p>\n<ul>\n<li>RDB \u30d5\u30a1\u30a4\u30eb\u306f\u30a2\u30c8\u30df\u30c3\u30af\u306b\u66f4\u65b0\u3055\u308c\u308b\u306e\u3067\u3001\u5358\u7d14\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3059\u308c\u3070\u826f\u3044\u3002<\/li>\n<li>SAVE \u30b3\u30de\u30f3\u30c9\u3088\u308a\u3082 BGSAVE \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\uff08SAVE \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u51e6\u7406\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u30b5\u30fc\u30d0\u306f\u4ed6\u306e\u51e6\u7406\u3092\u884c\u308f\u306a\u3044\u305f\u3081\uff09\u3002<\/li>\n<li>redis-check-dump \u30b3\u30de\u30f3\u30c9\u3067 RDB \u30d5\u30a1\u30a4\u30eb\u306e\u7834\u640d\u30c1\u30a7\u30c3\u30af\u304c\u53ef\u80fd\uff08\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u51e6\u7406\u3059\u308b\u3068\u304d\u306f\u3001\u30b3\u30de\u30f3\u30c9\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3060\u3051\u5224\u5b9a\u3067\u304d\u306a\u3044\u306e\u3067\u6ce8\u610f\uff09\u3002<\/li>\n<\/ul>\n<p>\u3068\u3044\u3063\u305f\u5177\u5408\u3067\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>Redis \u306b\u304a\u3051\u308b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u30ea\u30b9\u30c8\u30a2\u306b\u3064\u3044\u3066\u8abf\u3079\u307e\u3057\u305f\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u3092\u6c38\u7d9a\u5316\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u300cRedis\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u306e\u6c38\u7d9a\u5316\u300d\u3067\u8abf\u3079\u307e\u3057\u305f\u3002<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2013\/06\/10\/redis-backup-and-restore\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[76,94],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/2522"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=2522"}],"version-history":[{"count":1,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/2522\/revisions"}],"predecessor-version":[{"id":17928,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/2522\/revisions\/17928"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=2522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=2522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=2522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}