{"id":5203,"date":"2020-06-10T21:46:48","date_gmt":"2020-06-10T19:46:48","guid":{"rendered":"https:\/\/myoceane.fr\/?p=5203"},"modified":"2020-06-12T07:38:39","modified_gmt":"2020-06-12T05:38:39","slug":"big-data-azure-batch-auto-scaling","status":"publish","type":"post","link":"https:\/\/myoceane.fr\/index.php\/big-data-azure-batch-auto-scaling\/","title":{"rendered":"[Big Data] Azure Batch Auto Scaling"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p style=\"text-align: justify;\">\u5728<a href=\"https:\/\/myoceane.fr\/index.php\/cloud-azure-batch-aztk\/\">\u4e0a\u4e00\u7bc7\u6211\u5011\u4ecb\u7d39\u4e86 Azure \u63d0\u4f9b\u7684\u96f2\u7aef\u904b\u7b97\u8cc7\u6e90<\/a>\uff0c\u4f8b\u5982 Databricks, HDInsight, Azure Batch \u7b49\u7b49\uff0c\u5229\u7528 AZTK \u53ef\u4ee5\u5feb\u901f\u90e8\u7f72\u4e00\u500b\u904b\u7b97\u7684\u7fa4\u96c6\uff0c\u7528\u6236\u53ef\u4ee5\u6307\u5b9a Dedicated Nodes \u7684\u6578\u91cf\u548c Low Priority Nodes \u7684\u6578\u91cf\uff0c\u672c\u7bc7\u60f3\u8981\u4ecb\u7d39 Azure Batch Auto Scaling \u7684\u529f\u80fd\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\uff0c\u8a73\u7d30\u53ef\u4ee5\u53c3\u8003\u4ee5\u4e0b\u6587\u7ae0\uff1a<\/p>\n\n\n<div class=\"wp-block-buttons aligncenter is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/docs.microsoft.com\/en-us\/azure\/batch\/batch-automatic-scaling#write-an-autoscale-formula\">Create an automatic formula for scaling compute nodes in a Batch cluster<\/a><\/div>\n<\/div>\n\n\n<p>\u4ee5\u4e0b\u6211\u5011\u5c55\u73fe\u5e7e\u500b\u5be6\u7528\u7684\u6307\u4ee4\uff1a<\/p>\n<h5><a href=\"https:\/\/docs.microsoft.com\/en-us\/rest\/api\/batchservice\/pool\/disableautoscale\">AutoScale Disable<\/a><\/h5>\n<p>\u7528\u4ee5\u4e0b\u7684\u6307\u4ee4\u5c31\u53ef\u4ee5\u53d6\u6d88 AutoScale \u7684\u529f\u80fd\uff0c\u8f49\u6210 Fixed Size \u7684\u6a21\u5f0f\u3002<\/p>\n<pre class=\"lang:bash\">az batch pool autoscale disable --pool-id [ex-id]<\/pre>\n<p>\u7576 pool \u662f\u5c6c\u65bc Fixed Size \u7684\u6a21\u5f0f\u7684\u6642\u5019\u5c31\u53ef\u4ee5\u5229\u7528\u4ee5\u4e0b\u7684\u6307\u4ee4\u6539\u8b8a\u7fa4\u96c6\u5167\u90e8\u7684\u8cc7\u6e90\uff1a<\/p>\n<pre class=\"lang:bash\">az batch pool resize --pool-id [ex-id] --target-dedicated-nodes 0 --target-low-priority-nodes 2<\/pre>\n<h5><a href=\"https:\/\/docs.microsoft.com\/en-us\/rest\/api\/batchservice\/pool\/enableautoscale\"><strong>AutoScale Enable<\/strong><\/a><\/h5>\n<p>\u5982\u679c\u8981\u555f\u52d5 AutoScale \u7684\u529f\u80fd\u53ef\u4ee5\u5229\u7528\u4ee5\u4e0b\u7684\u6307\u4ee4\uff0c\u6307\u4ee4\u5fc5\u9808\u8981\u63d0\u4f9b\u5169\u500b arguments\uff0c\u5305\u542b &#8211;auto-scale-formula \u8207 &#8211;pool-id\uff0c\u9019\u908a &#8211;auto-scale-formula \u7684\u5167\u5bb9\u9700\u8981\u63d0\u4f9b\u4e00\u500b\u8a08\u7b97\u8cc7\u6e90\u7684\u516c\u5f0f\uff0c\u4e0b\u9762\u8209\u4e00\u500b\u6700\u7c21\u55ae\u7684\u4f8b\u5b50\u76f4\u63a5\u8a2d\u5b9a $TargetDedicatedNodes \u8207 $TargetLowPriorityNodes \u7684\u503c\u3002<\/p>\n<pre class=\"lang:bash\">az batch pool autoscale enable --pool-id [ex-id] --auto-scale-formula '$TargetDedicatedNodes=0;$TargetLowPriorityNodes=1'<\/pre>\n<h5><a href=\"https:\/\/docs.microsoft.com\/en-us\/rest\/api\/batchservice\/pool\/evaluateautoscale\">AutoScale Evaluate<\/a><\/h5>\n<p>\u9019\u500b\u6307\u4ee4\u63d0\u4f9b\u4e00\u500b\u6a5f\u6703\u53bb\u6aa2\u9a57\u7528\u6236\u8a2d\u8a08\u7684 formula\uff0c\u8a08\u7b97\u662f\u5426\u6700\u5f8c\u8b8a\u6578\u662f\u5426\u662f\u5982\u81ea\u5df1\u9810\u671f\u7684\uff1f<\/p>\n<pre class=\"lang:bash\">az batch pool autoscale evaluate --pool-id [ex-id] --auto-scale-formula 'example-formula'<\/pre>\n<h5>Formula \u5982\u4f55\u8a2d\u8a08\uff1f<\/h5>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/docs.microsoft.com\/en-us\/azure\/batch\/batch-automatic-scaling\">Azure \u7684 tutorial<\/a> \u88e1\u9762\u6709\u63d0\u4f9b\u5169\u500b\u7bc4\u4f8b\u5f88\u503c\u5f97\u53c3\u8003\uff0c\u5206\u5225\u662f\u6839\u64da\u5169\u500b\u4e0d\u540c\u76ee\u6a19\u4f86\u8abf\u6574\u7fa4\u96c6\u7684\u8cc7\u6e90 Pending Tasks (\u6839\u64da\u7b49\u5f85\u7684\u4efb\u52d9\u6578\u91cf) \u8207 Preempted Nodes (\u6839\u64da\u88ab\u6436\u596a\u7684\u6578\u91cf)\u3002<\/p>\n<h6>Pending Tasks<\/h6>\n<pre class=\"lang:bash\">startingNumberOfVMs = 1;\nmaxNumberofVMs = 25;\npendingTaskSamplePercent = $PendingTasks.GetSamplePercent(180 * TimeInterval_Second);\npendingTaskSamples = pendingTaskSamplePercent &lt; 70 ? startingNumberOfVMs : avg($PendingTasks.GetSample(180 * TimeInterval_Second));\n$TargetDedicatedNodes=min(maxNumberofVMs, pendingTaskSamples);\n$NodeDeallocationOption = taskcompletion;<\/pre>\n<h6>Preempted Nodes<\/h6>\n<pre class=\"lang:bash\">maxNumberofVMs = 25;\n$TargetDedicatedNodes = min(maxNumberofVMs, $PreemptedNodeCount.GetSample(180 * TimeInterval_Second));\n$TargetLowPriorityNodes = min(maxNumberofVMs , maxNumberofVMs - $TargetDedicatedNodes);\n$NodeDeallocationOption = taskcompletion;<\/pre>\n<p>\u00a0<\/p>\n<h5>Azure AutoScale Variables \u8b8a\u6578<\/h5>\n<p>\u5728\u4e0a\u9762\u7684\u5169\u500b\u7bc4\u4f8b\u88e1\u9762\u7528\u5230\u5f88\u591a Azure \u63d0\u4f9b\u7684\u8b8a\u6578\uff0c\u9019\u908a\u7a0d\u5fae\u89e3\u91cb\u4e00\u4e0b<\/p>\n<ul>\n<li>$PendingTasks.GetSamplePercent(180 * TimeInterval_Second) \u904e\u53bb\u4e09\u5206\u9418 Pending \u4efb\u52d9\u7684\u6bd4\u4f8b<\/li>\n<li>avg($PendingTasks.GetSample(180 * TimeInterval_Second)) \u904e\u53bb\u4e09\u5206\u9418 Pending \u4efb\u52d9\u6578\u91cf\u7684\u5e73\u5747<\/li>\n<li>$TargetLowPriorityNodes = min(1, pendingTaskSamples)<\/li>\n<\/ul>\n<p>\u53e6\u5916\u4e00\u500b\u60c5\u6cc1\u7528\u5230\u7684<\/p>\n<ul>\n<li>maxNumberofVMs = 25;<\/li>\n<li>$PreemptedNodeCount.GetSample(180 * TimeInterval_Second) \u904e\u53bb\u4e09\u5206\u9418\u5167\u88ab\u6436\u8d70\u7684\u6578\u91cf<\/li>\n<li>$TargetLowPriorityNodes = min(maxNumberofVMs, maxNumberofVMs &#8211; $TargetDedicatedNodes);<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e0a\u4e00\u7bc7\u6211\u5011\u4ecb\u7d39\u4e86 Azure \u63d0\u4f9b\u7684\u96f2\u7aef\u904b\u7b97\u8cc7\u6e90\uff0c\u4f8b\u5982 Databricks, HDInsight, Azure Batch \u7b49\u7b49\uff0c\u5229\u7528 AZTK \u53ef\u4ee5\u5feb\u901f\u90e8\u7f72\u4e00\u500b\u904b\u7b97\u7684\u7fa4\u96c6\uff0c\u7528\u6236\u53ef\u4ee5\u6307\u5b9a Dedicated Nodes \u7684\u6578\u91cf\u548c Low Priority Nodes \u7684\u6578\u91cf\uff0c\u672c\u7bc7\u60f3\u8981\u4ecb\u7d39 Azure Batch Auto Scaling \u7684\u529f\u80fd\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\uff0c\u8a73\u7d30\u53ef\u4ee5\u53c3\u8003\u4ee5\u4e0b\u6587\u7ae0\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,14],"tags":[561,306],"class_list":["post-5203","post","type-post","status-publish","format-standard","hentry","category-bigdata-ml","category-it-technology","tag-autoscale","tag-azure-batch"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - 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\u60f3\u65b9\u6d89\u6cd5 - \u91cf\u74f6\u5916\u7684\u5929\u7a7a M-Y-Oceane\" \/>\n<meta property=\"og:description\" content=\"\u5728\u4e0a\u4e00\u7bc7\u6211\u5011\u4ecb\u7d39\u4e86 Azure \u63d0\u4f9b\u7684\u96f2\u7aef\u904b\u7b97\u8cc7\u6e90\uff0c\u4f8b\u5982 Databricks, HDInsight, Azure Batch \u7b49\u7b49\uff0c\u5229\u7528 AZTK \u53ef\u4ee5\u5feb\u901f\u90e8\u7f72\u4e00\u500b\u904b\u7b97\u7684\u7fa4\u96c6\uff0c\u7528\u6236\u53ef\u4ee5\u6307\u5b9a Dedicated Nodes \u7684\u6578\u91cf\u548c Low Priority Nodes \u7684\u6578\u91cf\uff0c\u672c\u7bc7\u60f3\u8981\u4ecb\u7d39 Azure Batch Auto Scaling \u7684\u529f\u80fd\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\uff0c\u8a73\u7d30\u53ef\u4ee5\u53c3\u8003\u4ee5\u4e0b\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/myoceane.fr\/index.php\/big-data-azure-batch-auto-scaling\/\" \/>\n<meta property=\"og:site_name\" content=\"\u60f3\u65b9\u6d89\u6cd5 - \u91cf\u74f6\u5916\u7684\u5929\u7a7a M-Y-Oceane\" \/>\n<meta property=\"article:published_time\" content=\"2020-06-10T19:46:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-06-12T05:38:39+00:00\" \/>\n<meta name=\"author\" content=\"\u6ab8\u6aac\u7238\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6ab8\u6aac\u7238\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/myoceane.fr\/index.php\/big-data-azure-batch-auto-scaling\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/myoceane.fr\/index.php\/big-data-azure-batch-auto-scaling\/\"},\"author\":{\"name\":\"\u6ab8\u6aac\u7238\",\"@id\":\"https:\/\/myoceane.fr\/#\/schema\/person\/4a4552fb8c27693083d465e12db7658b\"},\"headline\":\"[Big Data] Azure Batch Auto Scaling\",\"datePublished\":\"2020-06-10T19:46:48+00:00\",\"dateModified\":\"2020-06-12T05:38:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/myoceane.fr\/index.php\/big-data-azure-batch-auto-scaling\/\"},\"wordCount\":93,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/myoceane.fr\/#\/schema\/person\/4a4552fb8c27693083d465e12db7658b\"},\"keywords\":[\"AutoScale\",\"Azure Batch\"],\"articleSection\":[\"Big Data &amp; Machine Learning\",\"IT Technology\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/myoceane.fr\/index.php\/big-data-azure-batch-auto-scaling\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/myoceane.fr\/index.php\/big-data-azure-batch-auto-scaling\/\",\"url\":\"https:\/\/myoceane.fr\/index.php\/big-data-azure-batch-auto-scaling\/\",\"name\":\"[Big Data] Azure Batch Auto Scaling - 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