{"id":1868,"date":"2020-07-01T06:54:03","date_gmt":"2020-06-30T22:54:03","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1868"},"modified":"2020-07-01T06:54:03","modified_gmt":"2020-06-30T22:54:03","slug":"prometheus-%e5%ad%98%e5%82%a8","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1868","title":{"rendered":"Prometheus \u5b58\u50a8"},"content":{"rendered":"<div>\n<div id=\\\"cnblogs_post_body\\\">\n<div>\n<div id=\\\"cnblogs_post_body\\\">\n<h2>\u5b58\u50a8<\/h2>\n<p>Prometheus\u662f\u4e00\u4e2a\u672c\u5730\u78c1\u76d8\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u5e93\uff0c\u4f46\u4e5f\u53ef\u9009\u62e9\u4e0e\u8fdc\u7a0b\u5b58\u50a8\u7cfb\u7edf\u96c6\u6210\uff0c\u5176\u672c\u5730\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u5e93\u4ee5\u81ea\u5b9a\u4e49\u683c\u5f0f\u5728\u78c1\u76d8\u4e0a\u5b58\u50a8\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u3002<\/p>\n<div>\n<div>\n<h3>1.1 \u78c1\u76d8\u5e03\u5c40<\/h3>\n<p>\u91c7\u96c6\u7684\u6837\u672c\u6309\u6bcf\u4e24\u4e2a\u5c0f\u65f6\u7684\u65f6\u95f4\u6bb5\u4fdd\u5b58\u5230\u4e00\u4e2a\u76ee\u5f55\uff0c\u8be5\u76ee\u5f55\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u5757\u6587\u4ef6\uff0c\u8be5\u6587\u4ef6\u5305\u542b\u8be5\u65f6\u95f4\u7a97\u53e3\u7684\u6240\u6709\u65f6\u95f4\u5e8f\u5217\u6837\u672c\uff0c\u4ee5\u53ca\u5143\u6570\u636e\u6587\u4ef6\u548c\u7d22\u5f15\u6587\u4ef6\uff08\u7528\u4e8e\u5c06\u5ea6\u91cf\u540d\u79f0\u548c\u6807\u7b7e\u7d22\u5f15\u5230\u5757\u6587\u4ef6\u4e2d\u7684\u65f6\u95f4\u5e8f\u5217\uff09\u3002\u901a\u8fc7API\u5220\u9664\u7cfb\u5217\u65f6\uff0c\u5220\u9664\u8bb0\u5f55\u5b58\u50a8\u5728\u5355\u72ec\u7684\u903b\u8f91\u5220\u9664\u6587\u4ef6\u4e2d\uff08\u800c\u4e0d\u662f\u7acb\u5373\u4ece\u5757\u6587\u4ef6\u4e2d\u5220\u9664\u6570\u636e\uff09<br \/>\n\u5f53\u524d\u4f20\u5165\u6837\u672c\u7684\u5757\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u4f46\u5c1a\u672a\u5b8c\u5168\u4fdd\u7559\u3002\u901a\u8fc7\u9884\u5199\u65e5\u5fd7\uff08WAL\uff09\u9632\u6b62\u5d29\u6e83\uff0c\u53ef\u4ee5\u5728\u5d29\u6e83\u540e\u91cd\u65b0\u542f\u52a8Prometheus\u670d\u52a1\u5668\u65f6\u91cd\u653e\u3002\u9884\u5199\u65e5\u5fd7\u6587\u4ef6\u4ee5128MB\u6bb5\u5b58\u50a8\u5728wal\u76ee\u5f55\u4e2d\u3002\u8fd9\u4e9b\u6587\u4ef6\u5305\u542b\u5c1a\u672a\u538b\u7f29\u7684\u539f\u59cb\u6570\u636e\uff0c\u56e0\u6b64\u5b83\u4eec\u6bd4\u5e38\u89c4\u5757\u6587\u4ef6\u5927\u5f97\u591a\u3002 Prometheus\u5c06\u4fdd\u7559\u81f3\u5c113\u4e2a\u9884\u5199\u65e5\u5fd7\u6587\u4ef6\uff0c\u4f46\u662f\u9ad8\u6d41\u91cf\u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u770b\u5230\u4e09\u4e2a\u4ee5\u4e0a\u7684WAL\u6587\u4ef6\uff0c\u56e0\u4e3a\u5b83\u9700\u8981\u4fdd\u7559\u81f3\u5c11\u4e24\u4e2a\u5c0f\u65f6\u7684\u539f\u59cb\u6570\u636e\u3002\n<\/p><\/div>\n<p>Prometheus\u670d\u52a1\u5668\u7684\u6570\u636e\u76ee\u5f55\u7684\u76ee\u5f55\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/p><\/div>\n<div>\n<div>\n<div><\/div>\n<pre>.\/data\n\u251c\u2500\u2500 01BKGV7JBM69T2G1BGBGM6KB12\n\u2502   \u2514\u2500\u2500 meta.json\n\u251c\u2500\u2500 01BKGTZQ1SYQJTR4PB43C8PD98\n\u2502   \u251c\u2500\u2500 chunks\n\u2502   \u2502   \u2514\u2500\u2500 000001\n\u2502   \u251c\u2500\u2500 tombstones\n\u2502   \u251c\u2500\u2500 index\n\u2502   \u2514\u2500\u2500 meta.json\n\u251c\u2500\u2500 01BKGTZQ1HHWHV8FBJXW1Y3W0K\n\u2502   \u2514\u2500\u2500 meta.json\n\u251c\u2500\u2500 01BKGV7JC0RY8A6MACW02A2PJD\n\u2502   \u251c\u2500\u2500 chunks\n\u2502   \u2502   \u2514\u2500\u2500 000001\n\u2502   \u251c\u2500\u2500 tombstones\n\u2502   \u251c\u2500\u2500 index\n\u2502   \u2514\u2500\u2500 meta.json\n\u2514\u2500\u2500 wal\n    \u251c\u2500\u2500 00000002\n    \u2514\u2500\u2500 checkpoint.000001<\/pre>\n<div><\/div>\n<\/div>\n<p>\u6ce8\u610f\uff0c\u672c\u5730\u5b58\u50a8\u7684\u5c40\u9650\u6027\u5728\u4e8e\u5b83\u4e0d\u662f\u96c6\u7fa4\u6216\u590d\u5236\u7684\u3002 \u56e0\u6b64\uff0c\u9762\u5bf9\u78c1\u76d8\u6216\u8282\u70b9\u4e2d\u65ad\uff0c\u5b83\u4e0d\u662f\u4efb\u610f\u53ef\u4f38\u7f29\u7684\u6216\u6301\u4e45\u7684\uff0c\u5e94\u8be5\u50cf\u5bf9\u5f85\u4efb\u4f55\u5176\u4ed6\u7c7b\u578b\u7684\u5355\u8282\u70b9\u6570\u636e\u5e93\u4e00\u6837\u5bf9\u5f85\u5b83\u3002 \u5efa\u8bae\u5c06RAID\u7528\u4e8e\u78c1\u76d8\u53ef\u7528\u6027\uff0c<a href=\\\"https:\/\/prometheus.io\/docs\/prometheus\/latest\/querying\/api\/#snapshot\\\" target=\\\"_blank\\\" rel=\\\"noopener noreferrer\\\">\u5feb\u7167<\/a>\u7528\u4e8e\u5907\u4efd\uff0c\u5bb9\u91cf\u89c4\u5212\u7b49\uff0c\u4ee5\u63d0\u9ad8\u8010\u7528\u6027\u3002 \u901a\u8fc7\u9002\u5f53\u7684\u5b58\u50a8\u8010\u4e45\u6027\u548c\u8ba1\u5212\uff0c\u53ef\u4ee5\u5728\u672c\u5730\u5b58\u50a8\u4e2d\u5b58\u50a8\u591a\u5e74\u7684\u6570\u636e\u3002<br \/>\n\u6216\u8005\uff0c\u53ef\u4ee5\u901a\u8fc7<a href=\\\"https:\/\/prometheus.io\/docs\/operating\/integrations\/#remote-endpoints-and-storage\\\" target=\\\"_blank\\\" rel=\\\"noopener noreferrer\\\">\u8fdc\u7a0b\u8bfb\/\u5199API<\/a>\u4f7f\u7528\u5916\u90e8\u5b58\u50a8\u3002 \u8fd9\u4e9b\u7cfb\u7edf\u5728\u8010\u7528\u6027\uff0c\u6027\u80fd\u548c\u6548\u7387\u4e0a\u5dee\u5f02\u5f88\u5927\uff0c\u56e0\u6b64\u9700\u8981\u4ed4\u7ec6\u8bc4\u4f30\u3002\u6709\u5173\u6587\u4ef6\u683c\u5f0f\u7684\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1<a href=\\\"https:\/\/github.com\/prometheus\/prometheus\/blob\/master\/tsdb\/docs\/format\/README.md\\\" target=\\\"_blank\\\" rel=\\\"noopener noreferrer\\\">TSDB\u683c\u5f0f<\/a>\u3002<\/p>\n<h3>\u4e8c\u3001\u538b\u7f29\u65b9\u9762<\/h3>\n<p>\u6700\u521d\u7684\u4e24\u4e2a\u5c0f\u65f6\u7684\u5757\u6700\u7ec8\u4f1a\u5728\u540e\u53f0\u538b\u7f29\u4e3a\u66f4\u957f\u7684\u5757\u3002\u538b\u7f29\u5c06\u521b\u5efa\u8f83\u5927\u7684\u5757\uff0c\u6309\u6700\u591a\u4fdd\u7559\u65f6\u95f4\u768410\uff05\uff0c\u621621\u5929\uff0c\u4ee5\u8f83\u5c0f\u8005\u4e3a\u51c6\u3002<\/p>\n<h3>\u4e09\u3001\u8fd0\u8425\u65b9\u9762<\/h3>\n<p>Prometheus\u5177\u6709\u51e0\u4e2a\u5141\u8bb8\u914d\u7f6e\u672c\u5730\u5b58\u50a8\u7684\u6807\u5fd7\u3002\u6700\u91cd\u8981\u7684\u662f\uff1a<\/p>\n<div>\n<ul>\n<li>&#8211;storage.tsdb.path\uff1a\u8fd9\u51b3\u5b9a\u4e86Prometheus\u5199\u5165\u6570\u636e\u5e93\u7684\u4f4d\u7f6e\u3002 \u9ed8\u8ba4\u4e3adata\/\u3002<\/li>\n<li>&#8211;storage.tsdb.retention.time\uff1a\u8fd9\u51b3\u5b9a\u4e86\u4f55\u65f6\u5220\u9664\u65e7\u6570\u636e\u3002 \u9ed8\u8ba4\u4e3a15d\u3002 \u5982\u679c\u6b64\u6807\u5fd7\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u503c\u4ee5\u5916\u7684\u4efb\u4f55\u503c\uff0c\u5219\u8986\u76d6storage.tsdb.retention\u3002<\/li>\n<li>&#8211;storage.tsdb.retention.size\uff1a[EXPERIMENTAL]\u8fd9\u786e\u5b9a\u4e86\u5b58\u50a8\u5757\u53ef\u4ee5\u4f7f\u7528\u7684\u6700\u5927\u5b57\u8282\u6570\uff08\u8bf7\u6ce8\u610f\uff0c\u8fd9\u4e0d\u5305\u62ecWAL\u5927\u5c0f\uff0c\u8fd9\u53ef\u80fd\u5f88\u5927\uff09\u3002 \u6700\u65e9\u7684\u6570\u636e\u5c06\u88ab\u5220\u9664\u3002 \u9ed8\u8ba4\u4e3a0\u6216\u7981\u7528\u3002 \u6b64\u6807\u5fd7\u662f\u5b9e\u9a8c\u6027\u7684\uff0c\u53ef\u4ee5\u5728\u5c06\u6765\u7684\u7248\u672c\u4e2d\u8fdb\u884c\u66f4\u6539\u3002 \u652f\u6301\u7684\u5355\u4f4d\uff1aKB\uff0cMB\uff0cGB\uff0cPB\u3002 \u4f8b\u5982\uff1a\u201c512MB\u201d<\/li>\n<li>&#8211;storage.tsdb.retention\uff1a\u4e0d\u63a8\u8350\u4f7f\u7528\u6b64\u6807\u5fd7\uff0c\u800c\u4f7f\u7528storage.tsdb.retention.time\u3002<\/li>\n<li>&#8211;storage.tsdb.wal-compression\uff1a\u6b64\u6807\u5fd7\u542f\u7528\u9884\u5199\u65e5\u5fd7\uff08WAL\uff09\u7684\u538b\u7f29\u3002 \u6839\u636e\u60a8\u7684\u6570\u636e\uff0c\u60a8\u53ef\u4ee5\u9884\u671fWAL\u5927\u5c0f\u5c06\u51cf\u5c11\u4e00\u534a\uff0c\u800c\u989d\u5916\u7684CPU\u8d1f\u8f7d\u5374\u5f88\u5c11\u3002 \u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u542f\u7528\u6b64\u6807\u5fd7\uff0c\u7136\u540e\u5c06Prometheus\u964d\u7ea7\u52302.11.0\u4ee5\u4e0b\u7684\u7248\u672c\uff0c\u5219\u60a8\u5c06\u9700\u8981\u5220\u9664WAL\uff0c\u56e0\u4e3a\u5b83\u5c06\u4e0d\u53ef\u8bfb\u3002<\/li>\n<\/ul>\n<p>\u5e73\u5747\u800c\u8a00\uff0cPrometheus\u6bcf\u4e2a\u6837\u672c\u4ec5\u4f7f\u7528\u5927\u7ea61-2\u4e2a\u5b57\u8282\u3002 \u56e0\u6b64\uff0c\u8981\u8ba1\u5212Prometheus\u670d\u52a1\u5668\u7684\u5bb9\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7c97\u7565\u516c\u5f0f\uff1a<\/p>\n<div>\n<pre>needed_disk_space = retention_time_seconds * ingested_samples_per_second * bytes_per_sample<\/pre>\n<\/div>\n<div>\n<div>\n\u8981\u8c03\u6574\u6bcf\u79d2\u91c7\u96c6\u6837\u672c\u7684\u901f\u7387\uff0c\u60a8\u53ef\u4ee5\u51cf\u5c11\u6293\u53d6\u7684\u65f6\u95f4\u5e8f\u5217\u6570\uff08\u6bcf\u4e2a\u76ee\u6807\u7684\u76ee\u6807\u66f4\u5c11\u6216\u66f4\u5c11\u7684\u7cfb\u5217\uff09\uff0c\u6216\u8005\u53ef\u4ee5\u589e\u52a0\u6293\u53d6\u65f6\u95f4\u95f4\u9694\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u538b\u7f29\u5e8f\u5217\u4e2d\u7684\u6837\u672c\uff0c\u51cf\u5c11\u5e8f\u5217\u6570\u53ef\u80fd\u66f4\u6709\u6548\u3002<br \/>\n\u5982\u679c\u60a8\u7684\u672c\u5730\u5b58\u50a8\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\u800c\u635f\u574f\uff0c\u6700\u597d\u7684\u9009\u62e9\u662f\u5173\u95edPrometheus\u5e76\u5220\u9664\u6574\u4e2a\u5b58\u50a8\u76ee\u5f55\u3002 Prometheus\u7684\u672c\u5730\u5b58\u50a8\u4e0d\u652f\u6301\u4e0d\u517c\u5bb9POSIX\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u635f\u574f\uff0c\u65e0\u6cd5\u6062\u590d\u3002 NFS\u4ec5\u662f\u6f5c\u5728\u7684POSIX\uff0c\u5927\u591a\u6570\u5b9e\u73b0\u4e0d\u662f\u3002\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u5220\u9664\u5355\u4e2a\u5757\u76ee\u5f55\u6765\u89e3\u51b3\u8be5\u95ee\u9898\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u4e2a\u5757\u76ee\u5f55\u5c06\u635f\u5931\u5927\u7ea6\u4e24\u4e2a\u5c0f\u65f6\u7684\u6570\u636e\u65f6\u95f4\u7a97\u53e3\u3002\u540c\u6837\uff0cPrometheus\u7684\u672c\u5730\u5b58\u50a8\u5e76\u4e0d\u610f\u5473\u7740\u6301\u4e45\u7684\u957f\u671f\u5b58\u50a8\u3002<br 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