{"id":50554,"date":"2023-12-23T12:11:50","date_gmt":"2023-01-09T19:40:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%8f%82%e5%8a%a0%e4%ba%86-coursera-%e7%9a%84-getting-started-with-application-development-%e8%af%be%e7%a8%8b%ef%bc%8c%e5%b9%b6%e8%ae%b0%e5%bd%95%e4%ba%86%e4%b8%80%e4%ba%9b%e7%ac%94\/"},"modified":"2024-05-04T15:00:02","modified_gmt":"2024-05-04T07:00:02","slug":"%e6%88%91%e5%8f%82%e5%8a%a0%e4%ba%86-coursera-%e7%9a%84-getting-started-with-application-development-%e8%af%be%e7%a8%8b%ef%bc%8c%e5%b9%b6%e8%ae%b0%e5%bd%95%e4%ba%86%e4%b8%80%e4%ba%9b%e7%ac%94","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%8f%82%e5%8a%a0%e4%ba%86-coursera-%e7%9a%84-getting-started-with-application-development-%e8%af%be%e7%a8%8b%ef%bc%8c%e5%b9%b6%e8%ae%b0%e5%bd%95%e4%ba%86%e4%b8%80%e4%ba%9b%e7%ac%94\/","title":{"rendered":"\u6211\u53c2\u52a0\u4e86 Coursera \u7684 &#8220;Getting Started With Application Development&#8221; \u8bfe\u7a0b\uff0c\u5e76\u8bb0\u5f55\u4e86\u4e00\u4e9b\u7b14\u8bb0\uff08\u5305\u62ec Datastore\uff0cBigtable\uff0cCloud Spanner \u7b49\uff09"},"content":{"rendered":"<p>\u4ee5\u4e0b\u662f\u76f8\u5173\u7684\u6587\u7ae0\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">?Getting Started With Application Development(Datastore, Bigtable, Cloud Spanner, etc)<\/ul>\n<\/li>\n<\/ul>\n<p>Securing and Integrating Components of your Application(IAM, IAP, Pub\/Sub, Cloud Endpoint, Cloud Function, etc)<br \/>\nApp Deployment, Debugging, and Performance(Cloud Build, App Engine, Cloud Monitoring, etc)<\/p>\n<h2>\u4e91\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\uff0c\u4e91\u5ba2\u6237\u7aef\u5e93\u548cFirebase\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Cloud SDK<\/ul>\n<\/li>\n<\/ul>\n<p>gcloud\u30b3\u30de\u30f3\u30c9(create\/manage GCP resources) e.g. gcloud compute instances list<\/p>\n<p>bq\u30b3\u30de\u30f3\u30c9<br \/>\ngsutil\u30b3\u30de\u30f3\u30c9(for cloud storage)<\/p>\n<p>Client Libraries<\/p>\n<p>Google API Client Libraries should only be used if your programming language of choice isn&#8217;t supported by the Google Cloud Client Libraries<br \/>\nCloud SDK\u306e\u307f\u3001gRPC\u901a\u4fe1\u3092\u63a1\u7528<\/p>\n<p>Firebase SDK<\/p>\n<h2>\u7ed3\u7b97<\/h2>\n<p>\u4e3a\u4e86\u9632\u6b62\u610f\u5916\u8d85\u652f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">budgets and alerts<\/ul>\n<\/li>\n<\/ul>\n<p>\u4e88\u7b97\u3092\u91d1\u984d\u3067\u8a2d\u5b9a\u3059\u308b\u3002\u305d\u306e50%, 90%, 100%\u4f7f\u7528\u6642\u306b\u30a2\u30e9\u30fc\u30c8\u304c\u98db\u3093\u3067\u304f\u308b<\/p>\n<p>billing exports<\/p>\n<p>Cloud Storage\u3084BQ\u306b\u5410\u304d\u51fa\u305b\u308b<\/p>\n<p>reports<\/p>\n<p>GCP\u4e0a\u3067\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/p>\n<p>quotas<\/p>\n<p>Project\u30ec\u30d9\u30eb\u3067\u30ea\u30bd\u30fc\u30b9\u3054\u3068\u306b\u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\u6599\u3067\u6307\u5b9a\u3059\u308b\u3002\u6307\u5b9a\u91cf\u306b\u9054\u3059\u308b\u3068\u30ea\u30bd\u30fc\u30b9\u304c\u4f7f\u7528\u3067\u304d\u306a\u304f\u306a\u308b\u3068\u3044\u3046\u8a8d\u8b58\u3002<\/p>\n<p>rate quotas (\u305d\u306e\u6642\u70b9\u304b\u3089\u4e00\u5b9a\u671f\u9593\u4ee5\u5185\u306e\u4f7f\u7528\u91cf\u304c\u4e00\u5b9a\u5024\u3092\u3092\u8d85\u3048\u3066\u3044\u308b\u304b)<br \/>\nallocation quotas (\u305d\u306e\u6642\u70b9\u307e\u3067\u306e\u5168\u4f7f\u7528\u91cf\u304c\u4e00\u5b9a\u5024\u3092\u8d85\u3048\u3066\u3044\u308b\u304b)<\/p>\n<h2>\u6570\u636e\u5e93<\/h2>\n<h3>\u4e91\u6570\u636e\u5b58\u50a8<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">NoSQL\u3067\u3001\u30b9\u30ad\u30fc\u30de\u30ec\u30b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4fdd\u6301\u3059\u308b\u30c7\u30fc\u30bf\u306e\u5927\u304d\u3055\u306b\u3088\u3063\u3066\u81ea\u52d5\u3067\u30b9\u30b1\u30fc\u30eb\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Data \u304csemi-structured\/hierarchical \u306e\u6642\u306b\u304a\u3059\u3059\u3081<\/ul>\n<\/li>\n<\/ul>\n<p>See: https:\/\/qiita.com\/hogedigo\/items\/175d5a4afd0fd0fe9de6<\/p>\n<p>sharding\u3068replication\u3092\u81ea\u52d5\u3067\u3084\u3063\u3066\u304f\u308c\u308b<br \/>\nACID transaction, SQL like query, Indexes<br \/>\n\u5143\u3005\u306fBigtable\u306e\u62e1\u5f35\u7248\u3068\u3057\u3066\u8a95\u751f\u3057\u305f\u304c\u3001\u4eca\u3067\u306fFireStor\u306e\u4e2d\u306e\uff11\u30e2\u30fc\u30c9\u3068\u306a\u3063\u3066\u3044\u308b\u3002(FireStoreDataStore mode)<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001FireStore\u306f\u3001DataStore\u30e2\u30fc\u30c9\u3068Native\u30e2\u30fc\u30c9\u306e\u4e8c\u3064\u304c\u3042\u308b<br \/>\n\u4e00\u5ea6\u30e2\u30fc\u30c9\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u305d\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5185\u3067\u306f\u305d\u306e\u30e2\u30fc\u30c9\u3057\u304b\u4f7f\u3048\u306a\u304f\u306a\u308b<\/p>\n<p>\u30af\u30a8\u30ea\u8a00\u8a9e\u306fGQL<br \/>\nserializable isolation\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3089\u3057\u3044\u3002<\/p>\n<h4>\u5173\u4e8e\u6570\u636e\u4fdd\u5b58\u65b9\u5f0f\u3002<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">data object\u306fentity\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>entity\u306funique\u306akey\u3092\u6301\u3064\u3002key=namespace + entity kind + identifier + ancestor path(optional)<\/p>\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u306f\u3001\u6700\u5927\u3067 25 \u500b\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u5185\u306e 1 \u3064\u4ee5\u4e0a\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u5bfe\u3059\u308b\u4e00\u9023\u306e Datastore \u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002(= \u8907\u6570\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fc\u3092\u3072\u3068\u307e\u3068\u3081\u306b\u3057\u3066\u3001transaction\u304c\u6709\u52b9\u306b\u306a\u308b\u3068\u3044\u3046\u8a8d\u8b58\u3001\u307e\u305ftransactional commit\u3092\u6709\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u3044\u3046\u8a8d\u8b58)<br \/>\nentity\u306f\u4ed6\u306eentity\u3092parent\u3068\u3057\u3066\u3082\u3066\u308b\u3002\u89aa\u3092\u6301\u305f\u306a\u3044entity\u306froot\u3068\u547c\u3070\u308c\u308b\u3002\u81ea\u5206\u3088\u308a\u89aa\u5074\u306fancestors, \u5b50\u5074\u306fdescendants\u3068\u547c\u3070\u308c\u308b\u3002entity\u3068\u4ed6\u306eentity\u3068\u306e\u9593\u306epath\u306f\u3001entity path\u3068\u547c\u3070\u308c\u308b\u3002<br \/>\n\u540c\u4e00\u306ekind(RDB\u3067\u3044\u3046\u30c6\u30fc\u30d6\u30eb)\u5185\u3067\u3082entity\u306b\u3088\u3063\u3066\u7570\u306a\u308bproperty\u3092\u6301\u3064\u3053\u3068\u304c\u53ef\u80fd<\/p>\n<p>datastore\u306b\u3001built-in index\u3068\u3001composite indexes\u3068\u3044\u3046\u4e8c\u7a2e\u985e\u306eindex\u3092\u6301\u3064\u3002<\/p>\n<p>\u4e8b\u524d\u306bindex\u3092\u8cbc\u3063\u305fproperty\u3092\u6307\u5b9a\u3057\u305f\u30af\u30a8\u30ea\u3057\u304b\u5b9f\u884c\u3067\u304d\u306a\u3044<br \/>\nbuilt-in index\u306f\u3001GCP\u4e0a\u306b\u8868\u793a\u3055\u308c\u306a\u3044\u3001entity\u306e\u305d\u308c\u305e\u308c\u306eproperty\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3063\u3064\u3051\u3089\u308c\u308b<br \/>\ncomposite index\u3092\u65b0\u3057\u304f\u4f5c\u6210\u3059\u308b\u3059\u308b\u306b\u306f\u3001index.yaml\u3092\u7de8\u96c6\u3057\u3001$ gcloud indexes create\u3092\u5b9f\u884c\u3059\u308b<br \/>\ncomposite index\u3092\u524a\u9664\u3059\u308b\u305f\u3081\u306b\u306f\u3001index.yaml\u3092\u7de8\u96c6\u3057\u3066\u4e0d\u8981\u306a\u3082\u306e\u3092\u524a\u9664\u3057\u3001$ gcloud datastore indexes cleanup\u3092\u5b9f\u884c\u3059\u308b(put\u64cd\u4f5c)<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/12-0.png\" alt=\"image.png\" \/><\/div>\n<h4>\u5173\u4e8e\u5206\u7247\u3002<\/h4>\n<p>\uff08\u5206\u7247=\u5782\u76f4\u5206\u533a\uff09<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Datastore\u3067\u306f\u3001\u4e00\u3064\u306eentity\u306b\u5bfe\u3059\u308b\u64cd\u4f5c\u306f\u3001\u30de\u30c3\u30af\u30b9\u3067\u6bce\u79d2\u4e00\u56de\u306b\u3057\u305f\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u8d85\u3048\u308b\u3068\u3001latency\u304c\u5927\u304d\u304f\u306a\u3063\u305f\u308a\u3001contention error\u304c\u767a\u751f\u3057\u305f\u308a\u3059\u308b<\/p>\n<p>Datastore\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u306b\u3088\u3063\u3066\u81ea\u52d5\u3067\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0(=\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0)\u3057\u3066\u304f\u308c\u308b<\/p>\n<p>\u5982\u679c\u6709\u9700\u8981\u8fdb\u884c\u5206\u7247\u64cd\u4f5c\u7684\u91cd\u578b\u6848\u4f8b\u7684\u8bdd\uff0c\u6211\u5f88\u9ad8\u5174\u5730\u5c06\u5176\u5f15\u7528\u3002\u786e\u5b9e\uff0c\u5982\u679c\u662f\u8bfb\u64cd\u4f5c\u8f83\u4e3a\u9891\u7e41\u7684\u60c5\u51b5\u4e0b\uff0c\u590d\u5236\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u9009\u62e9\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/17-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u53ea\u662f\u4e3a\u4e86\u201c\u9632\u6b62\u5bf9\u7279\u5b9a\u5b9e\u4f53\u8fdb\u884c\u8fc7\u591a\u8bfb\u5199\u64cd\u4f5c\u5bfc\u81f4\u70ed\u70b9\u73b0\u8c61\u53d1\u751f\u201d\uff0c\u800c\u4e0d\u662f\u5355\u7eaf\u4e3a\u4e86\u52a0\u5feb\u5355\u4e2a\u8bfb\u5199\u64cd\u4f5c\u7684\u76ee\u7684\u3002<\/p>\n<p>\u5173\u4e8eDataStore\u6765\u8bf4\uff0c\u4f3c\u4e4e\u4e0d\u9700\u8981\u8003\u8651\u70ed\u70b9\u95ee\u9898\u6765\u8fdb\u884c\u5199\u5165\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/20-0.png\" alt=\"image.png\" \/><\/div>\n<h4>\u5173\u4e8e\u67e5\u8be2<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/22-0.png\" alt=\"image.png\" \/><\/div>\n<ul class=\"post-ul\">(\u30af\u30a8\u30ea\u306e\u30d0\u30c3\u30c1\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3)Batch operations allow you to perform multiple operations on multiple objects with the same overhead as a single operation.<\/ul>\n<h4>500\/50\/5 \u89c4\u5219\uff08\u9010\u6e10\u589e\u52a0\u6d41\u91cf\uff09<\/h4>\n<p>\u9010\u6e10\u589e\u52a0\u6d41\u91cf\u5230\u952e\u7a7a\u95f4\u4e2d\u7684\u65b0\u7c7b\u578b\u6216\u90e8\u5206\u3002<\/p>\n<p>\u4e3a\u4e86\u7ed9Datastore\u6a21\u5f0f\u4e0b\u7684Firestore\u5145\u8db3\u65f6\u95f4\u51c6\u5907\u589e\u52a0\u7684\u6d41\u91cf\uff0c\u60a8\u5e94\u8be5\u9010\u6e10\u589e\u52a0\u5bf9\u65b0\u7c7b\u522b\u7684\u6d41\u91cf\u3002\u6211\u4eec\u5efa\u8bae\u65b0\u7c7b\u522b\u7684\u6700\u5927\u64cd\u4f5c\u6570\u4e3a\u6bcf\u79d2500\u6b21\uff0c\u7136\u540e\u6bcf5\u5206\u949f\u589e\u52a050\uff05\u7684\u6d41\u91cf\u3002\u6309\u7167\u8fd9\u79cd\u589e\u957f\u8ba1\u5212\uff0c\u7406\u8bba\u4e0a\u60a8\u53ef\u4ee5\u572890\u5206\u949f\u540e\u8fbe\u5230\u6bcf\u79d2740K\u6b21\u64cd\u4f5c\u3002\u8bf7\u786e\u4fdd\u5199\u64cd\u4f5c\u5728\u952e\u8303\u56f4\u5185\u76f8\u5bf9\u5747\u5300\u5206\u5e03\u3002\u6211\u4eec\u7684SRE\u79f0\u4e4b\u4e3a&#8221;500\/50\/5&#8243;\u89c4\u5219\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/27-0.png\" alt=\"image.png\" \/><\/div>\n<h3>\u4e91\u5927\u8868<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">high performance, NoSQL database service, \u5217\u6307\u5411DB<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">sparsely populated table (\u5217\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u884c\u3067\u306f\u3001\u5217\u306b\u3088\u308b\u7a7a\u9593\u306e\u6d88\u8cbb\u306f\u3042\u308a\u307e\u305b\u3093)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">can scale to billions of rows and 1000s of columns.<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">can store terabytes to petabytes of data.<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">built for fast key value lookup and scanning over a defined key range. (key\u306b\u3088\u308b\u691c\u7d22\u306f\u3067\u304d\u308b\u304c\u30ab\u30e9\u30e0\u6307\u5b9a\u306b\u3088\u308b\u6761\u4ef6\u691c\u7d22\u306f\u3067\u304d\u306a\u3044\u3001key-value)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u306e\u7d50\u5408(JOIN etc)\u306f\u3067\u304d\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">key updates to individual rows are atomic.(\u884c\u3054\u3068\u306b\u3057\u304batomic\u306b\u306a\u3089\u306a\u3044\u3001\u3001)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">offers seamless scaling. Changes to the deployment configuration are immediate so there&#8217;s no downtime during reconfiguration.<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u884c\u3068\u5217\u306e\u4ea4\u5dee\u306b\u306f\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u4ed8\u304d\u306e\u30bb\u30eb\u3092\u8907\u6570\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5404\u30bb\u30eb\u306b\u306f\u3001\u305d\u306e\u884c\u3068\u5217\u306e\u30c7\u30fc\u30bf\u306b\u4ed8\u3051\u3089\u308c\u305f\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u4ed8\u304d\u306e\u4e00\u610f\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">HBase(BigTable \u3092\u5143\u306b\u8a2d\u8a08\u3055\u308c\u305fOSS)\u3068\u540c\u3058API\u3092\u6301\u3064\u3002 Bigtable\u306e\u65b9\u304cHBase\u3092\u81ea\u524d\u3067\u7acb\u3066\u308b\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u308b\u70b9\u306f\u4ee5\u4e0b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u30de\u30b7\u30f3\u304c\u7c21\u5358\u306b\u5897\u3084\u305b\u308b\u306e\u3067scalability\u306b\u512a\u308c\u3066\u3044\u308b<br \/>\nupgrade\u3084restart\u3092\u81ea\u5206\u3067\u3057\u306a\u304f\u3066\u826f\u3044\u3002<br \/>\n\u30c7\u30fc\u30bf\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3088\u308asecure\u3067\u3042\u308b\u3002<br \/>\nIAM\u30dd\u30ea\u30b7\u30fc\u3092\u5229\u7528\u3057\u3066\u8ab0\u304c\u3069\u306e\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u304b\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b\u3002<\/p>\n<p>Data\u306e\u6301\u3061\u65b9\u306fCassandra\u306b\u4f3c\u3066\u308b<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/30-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/31-0.png\" alt=\"image.png\" \/><\/div>\n<pre class=\"post-pre\"><code>\u884c\u30ad\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u306b\u4f7f\u7528\u3059\u308b\u30af\u30a8\u30ea\u306b\u57fa\u3065\u3044\u3066\u8a2d\u8a08\u3057\u307e\u3059\u3002\r\n\u9069\u5207\u306b\u8a2d\u8a08\u3055\u308c\u305f\u884c\u30ad\u30fc\u306f\u3001Bigtable \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u9650\u306b\u9ad8\u3081\u307e\u3059\u3002\r\nBigtable \u306e\u30af\u30a8\u30ea\u3067\u306f\u3001\u6b21\u306e\u3044\u305a\u308c\u304b\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u306e\u304c\u6700\u3082\u52b9\u7387\u7684\u3067\u3059\u3002\r\n\r\n- \u884c\u30ad\u30fc\r\n- \u884c\u30ad\u30fc\u306e\u63a5\u982d\u8f9e\r\n- \u958b\u59cb\u884c\u30ad\u30fc\u3068\u7d42\u4e86\u884c\u30ad\u30fc\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u884c\u306e\u7bc4\u56f2\r\n\r\n\u305d\u306e\u4ed6\u306e\u30af\u30a8\u30ea\u3067\u306f\u5168\u30c6\u30fc\u30d6\u30eb \u30b9\u30ad\u30e3\u30f3\u304c\u884c\u308f\u308c\u308b\u305f\u3081\u3001\u52b9\u7387\u304c\u5927\u5e45\u306b\u4f4e\u4e0b\u3057\u307e\u3059\u3002\r\n\u8a2d\u8a08\u306e\u6bb5\u968e\u3067\u6b63\u3057\u3044\u884c\u30ad\u30fc\u3092\u9078\u629e\u3059\u308c\u3070\u3001\u5f8c\u3067\u9762\u5012\u306a\u30c7\u30fc\u30bf\u79fb\u884c\u51e6\u7406\u3092\u884c\u308f\u305a\u306b\u6e08\u307f\u307e\u3059\u3002\r\n<\/code><\/pre>\n<h3>\u6700\u4f73\u5b9e\u8df5 (zu\u00ec ji\u0101 sh\u00ed<\/h3>\n<p>\u8bf7\u53c2\u8003\uff1ahttps:\/\/cloud.google.com\/bigtable\/docs\/schema-design#best-practices<br \/>\n\u9700\u8981\u7279\u522b\u6ce8\u610f\u884c\u952e?<br \/>\n\u4ee5\u4e0b\u53ea\u63d0\u53d6\u4e86\u4e00\u4e9b\u6613\u4e8e\u7406\u89e3\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u5c0f\u3055\u306a\u30c6\u30fc\u30d6\u30eb\u3092\u591a\u6570\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u3001Bigtable \u3067\u306f\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>1 \u3064\u306e\u884c\u306b 100 MB \u3092\u8d85\u3048\u308b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3053\u306e\u4e0a\u9650\u3092\u8d85\u3048\u308b\u884c\u304c\u3042\u308b\u3068\u3001\u8aad\u307f\u53d6\u308a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u4fdd\u5b58\u53ef\u80fd\u306a\u4e0a\u9650\u306f 256MB<\/p>\n<p>1 \u3064\u306e\u884c\u30ad\u30fc\u306f 4 KB \u4ee5\u4e0b\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/p>\n<p>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u3059\u3079\u3066\u306e\u60c5\u5831\u3092 1 \u884c\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002 &lt;- \u884c\u3092\u307e\u305f\u3044\u3060transaction\u306f\u4f5c\u6210\u3067\u304d\u306a\u3044\u306e\u3067<\/p>\n<p>\u95a2\u9023\u3059\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u96a3\u63a5\u3059\u308b\u884c\u306b\u4fdd\u5b58\u3057\u3066\u3001\u8aad\u307f\u53d6\u308a\u52b9\u7387\u3092\u9ad8\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u8aad\u307f\u53d6\u308a\u3068\u66f8\u304d\u8fbc\u307f\u306f\uff08\u30c6\u30fc\u30d6\u30eb\u306e\u884c\u30b9\u30da\u30fc\u30b9\u5168\u4f53\u306b\uff09\u5747\u7b49\u306b\u5206\u6563\u3055\u308c\u308b\u306e\u304c\u7406\u60f3\u7684\u3067\u3059\u3002&lt;- \u66f8\u304d\u8fbc\u307f\u6642\u306b\u3082\u3001\u884ckey\u3092\u5143\u306b\u633f\u5165\u5834\u6240\u3092\u63a2\u3059\u3053\u3068\u306b\u6ce8\u610f<\/p>\n<p>\u884c\u30ad\u30fc\u306b\u95a2\u3057\u3066\u4ee5\u4e0b\u306f\u907f\u3051\u308b\u3079\u3057<\/p>\n<p>\u5148\u982d\u304c\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3067\u3042\u308b\u884c\u30ad\u30fc<\/p>\n<p>write\u304c\u5358\u4e00\u306enode\u306b\u96c6\u4e2d\u3059\u308b<\/p>\n<p>\u95a2\u9023\u30c7\u30fc\u30bf\u3092\u30b0\u30eb\u30fc\u30d7\u306b\u307e\u3068\u3081\u3089\u308c\u306a\u3044\u884c\u30ad\u30fc<\/p>\n<p>\u8a00\u308f\u305a\u3082\u304c\u306a\u3001\u884c\u7bc4\u56f2\u304c\u9023\u7d9a\u3057\u3066\u3044\u306a\u3044\u3068\u3001\u307e\u3068\u3081\u3066\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u975e\u52b9\u7387\u306b\u306a\u308a\u307e\u3059\u3002)<\/p>\n<p>\u30cf\u30c3\u30b7\u30e5\u5024<\/p>\n<p>\u30c7\u30d0\u30c3\u30b0\u3057\u3065\u3089\u3044<br \/>\n(c.f. [CloudSpanner\u3067\u306f\u3001\u4e3b\u30ad\u30fc\u3092\u30cf\u30c3\u30b7\u30e5\u306b\u3059\u308b\u306e\u306f\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u65b9\u6cd5\u306e\u4e00\u3064]<\/p>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb\u6570\u5024 ID<\/p>\n<p>user id\u3068\u304b\u3001\u65b0\u898f\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u307b\u3046\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30e6\u30fc\u30b6\u30fc\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u305f\u3081\u3001\u3053\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3067\u306f\u3001\u5927\u534a\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u3054\u304f\u5c11\u6570\u306e\u30ce\u30fc\u30c9\u306b\u96c6\u4e2d\u3057\u3066\u3057\u307e\u3044\u307e\u3059<br \/>\n\u6570\u5024\u3092\u53cd\u8ee2\u3055\u305b\u305f\u3089OK.(https:\/\/cloud.google.com\/spanner\/docs\/schema-and-data-model))<\/p>\n<p>\u983b\u7e41\u306b\u66f4\u65b0\u3055\u308c\u308b\u8b58\u5225\u5b50<\/p>\n<p>\u4f7f\u7528\u983b\u5ea6\u306e\u9ad8\u3044\u884c\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30c6\u30fc\u30d6\u30eb\u304c\u904e\u8ca0\u8377\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30ac\u30d9\u30fc\u30b8 \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u969b\u306b\u30bb\u30eb\u304c\u524a\u9664\u3055\u308c\u308b\u307e\u3067\u5217\u306e\u4ee5\u524d\u306e\u5024\u304c\u5bb9\u91cf\u3092\u6d88\u8cbb\u3059\u308b\u305f\u3081\u3001\u884c\u306e\u30b5\u30a4\u30ba\u304c\u4e0a\u9650\u3092\u8d85\u3048\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n\u4ee3\u308f\u308a\u306b\u3001\u65b0\u3057\u304f\u8aad\u307f\u53d6\u308b\u3054\u3068\u306b\u65b0\u3057\u3044\u884c\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/36-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u4e91\u6570\u636e\u7ba1\u7406\u5668<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/38-2.png\" alt=\"image.png\" \/><\/div>\n<h2>\u4e91\u6570\u636e\u5e93<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/40-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u4e91\u5b58\u50a8<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/42-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5728\u4e0a\u8ff0\u5b58\u50a8\u7c7b\u522b\u4e2d\uff0c\u6570\u636e\u5b58\u50a8\u9002\u7528\u4e8e\u6700\u4f4e\u5b58\u50a8\u65f6\u957f\u3002\u60a8\u53ef\u4ee5\u5728\u8fbe\u5230\u6700\u4f4e\u5b58\u50a8\u65f6\u957f\u4e4b\u524d\u5220\u9664\u6587\u4ef6\uff0c\u4f46\u5728\u5220\u9664\u65f6\uff0c\u4f1a\u6309\u7167\u6587\u4ef6\u88ab\u5b58\u50a8\u7684\u6700\u4f4e\u65f6\u957f\u8ba1\u8d39\u3002<\/p>\n<h3>\u6301\u6052\u4e0d\u53d8<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5f3a\u4e00\u81f4\u6027<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Read-after-write<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">read-after-metadata-update<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">read-after-delete<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">bucket listing<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">object listing<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">granting access to resources.<\/ul>\n<p>\u4ee5\u4e0b\u662f\u6700\u7ec8\u4e00\u81f4\u6027\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">revoking access (1\u5206\u304f\u3089\u3044\u304b\u304b\u308b)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">accessing publicly readable cached objects (\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u304c\u671f\u9650\u5207\u308c\u306b\u306a\u308b\u307e\u3067\u306f\u5909\u308f\u3089\u306a\u3044)<\/ul>\n<h3>\u7ec8\u70b9<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/50-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5728cname\u8bb0\u5f55\u4e2d\uff0c\u5199\u6709\u4e3a\u57df\u540d\u53d6\u7684\u522b\u540d\u3002<\/p>\n<h3>\u7ec4\u5408\u5bf9\u8c61<\/h3>\n<p>\u6700\u592732\u306eobject\u3092concatanate\u3057\u3066\u3001\u4e00\u3064\u306e\u65b0\u305f\u306aobject\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/p>\n<p>\u65b0\u3057\u304f\u3067\u304d\u305fobject\u306f\u5143\u306eobject\u3092\u53c2\u7167\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u30b3\u30d4\u30fc\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u5143\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u524a\u9664\u3057\u3066\u826f\u3044<br \/>\n\u3053\u308c\u306b\u3088\u308a\u3001\u5927\u304d\u306aobject\u3092chunk\u306b\u5206\u3051\u3066parallel\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u4e00\u56de\u3067entire object\u3092upload\u3067\u304d\u308b\u306e\u306a\u3089\u3001\u305d\u3061\u3089\u306e\u65b9\u304c\u3001cost\u306f\u304b\u304b\u3089\u306a\u3044\u3057\u3001overhead\u3082\u5c11\u306a\u304f\u3066\u6e08\u3080<\/p>\n<h3>\u4ea4\u901a\u7684\u6700\u4f73\u5b9e\u8df5 de<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">retry\u30dd\u30ea\u30b7\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>gsutil, client library\u3092\u4f7f\u3063\u305f\u30ea\u30bd\u30fc\u30b9\u53d6\u5f97\u306eretry\u30dd\u30ea\u30b7\u30fc\u306f\u3001 truncated exponential backoff\u3092\u63a1\u7528\u3059\u3079\u3057\u3002<\/p>\n<p>cloud console\u3067\u306e\u30ea\u30bd\u30fc\u30b9\u53d6\u5f97\u306f\u3001\u5b9f\u306f\u5185\u90e8\u3067backoff\u3092\u3059\u308b\u3088\u3046\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<details>\u622a\u65ad\u6307\u6570\u9000\u907f\u662f\u6307\u5f53\u5931\u8d25\u6b21\u6570\u8d85\u8fc7\u67d0\u4e00\u56fa\u5b9a\u503c\u65f6\uff0c\u8bbe\u7f6e\u7b49\u5f85\u65f6\u95f4\u4e0a\u9650\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5f53\u5931\u8d25\u6b21\u6570N\u8d85\u8fc710\u6b21\u65f6\uff0c\u8fdb\u884c\u622a\u65ad\u5904\u7406\uff0c\u65e0\u8bba\u662f\u7b2c10\u6b21\u5931\u8d25\u8fd8\u662f\u7b2c16\u6b21\u5931\u8d25\uff0c\u9009\u53d6\u7684\u7b49\u5f85\u65f6\u95f4\u90fd\u9650\u5236\u5728[0, 2^10 &#8211; 1] = [0, 1023]\u7684\u8303\u56f4\u5185\u3002\u4e0d\u4f1a\u56e0\u4e3a\u662f\u7b2c16\u6b21\u5931\u8d25\u5c31\u4ece[0, 2^16 &#8211; 1]\u8303\u56f4\u5185\u9009\u62e9\u3002<\/details>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">request rate<\/ul>\n<\/li>\n<\/ul>\n<p>1000 write per sec, 5000 read per sec\u3092\u8d85\u3048\u308b\u5834\u5408\u306b\u306f\u300120\u5206\u306b\u30ea\u30af\u30a8\u30b9\u30c82\u500d\u3092\u4e0a\u9650\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5897\u3084\u3057\u3066\u3044\u304f\u3002<\/p>\n<h3>\u4fdd\u7559\u653f\u7b56<\/h3>\n<p>\u4fdd\u7559\u653f\u7b56\u662f\u4ec0\u4e48\uff1f\uff08\u867d\u7136\u4ee5\u4e0b\u4e0d\u662f\u6765\u81eaGCP\u7684\u8bf4\u660e\uff0c\u4f46\u6211\u9009\u62e9\u4e86\u6700\u5bb9\u6613\u7406\u89e3\u7684\u5f15\u7528\uff09<\/p>\n<p>\u901a\u8fc7\u6307\u5b9a\u7684\u65f6\u95f4\u8303\u56f4\uff0c\u9632\u6b62\u5185\u5bb9\u88ab\u5b8c\u5168\u5220\u9664\u3002\u7ba1\u7406\u5458\u53ef\u4ee5\u521b\u5efa\u4fdd\u7559\u7b56\u7565\u5e76\u5c06\u5176\u5206\u914d\u7ed9\u7279\u5b9a\u6587\u4ef6\u5939\u6216\u6574\u4e2a\u516c\u53f8\u3002\u4f7f\u7528\u4fdd\u7559\u7b56\u7565\u53ef\u4ee5\u5728\u5fc5\u8981\u7684\u65f6\u95f4\u6bb5\u5185\u4fdd\u7559\u6570\u636e\uff0c\u5e76\u5728\u6cd5\u5f8b\u4e0a\u4e0d\u518d\u9700\u8981\u4fdd\u7559\u6570\u636e\u65f6\u81ea\u52a8\u5b8c\u5168\u5220\u9664\u5185\u5bb9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">object\u3054\u3068\u306b\u6307\u5b9a\u3055\u308c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">object\u306bretention policy\u304c\u8cbc\u3063\u3064\u3051\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u524a\u9664\u3001\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u3053\u306epolicy\u3092lock\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u6301\u671f\u9593\u306e\u524a\u9664\u3001\u77ed\u7e2e\u5316\u304c\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">bucket\u306f\u3001\u305d\u306e\u4e2d\u306e\u5168\u3066\u306eobject\u304cretention period\u3092\u8d85\u3048\u308b\u307e\u3067\u524a\u9664\u3067\u304d\u306a\u3044\u3002<\/ul>\n<h3>\u542f\u7528GCS\u8d44\u6e90\u7684\u7ec8\u7aef\u8282\u70b9CORS\u3002<\/h3>\n<p>\u4f60\u53ea\u9700\u8981\u51c6\u5907\u4e00\u4e2a\u6307\u5b9a\u5141\u8bb8\u8de8\u57df\u8bf7\u6c42\u5171\u4eab\u7684\u6e90\u7684 JSON \u6587\u4ef6\uff0c\u5e76\u6267\u884c $ gsutil cors set xxx.json \u5373\u53ef\u3002<\/p>\n<p>\u5bf9\u4e8e\u53d1\u9001\u5230S3\u7aef\u70b9\u7684\u8bf7\u6c42\u7684\u54cd\u5e94\u5934\u4e2d\uff0c\u53ef\u4ee5\u8ba4\u4e3a\u4f1a\u6b63\u786e\u6307\u5b9a\u8bf7\u6c42\u9875\u9762\u7684\u6765\u6e90\u4e3b\u673a\u540d\u4f5c\u4e3aAccess-Control-Allow-Origin\u3002<\/p>\n<h3>GCS\u7684\u8bbf\u95ee\u63a7\u5236\uff08\u6388\u4e88\u6743\u9650\uff09<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">uniform bucket-level access\u304c\u7406\u60f3\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001domain restricted sharing\u3084\u3001IAM conditions\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n<h3>\u6570\u636e\u9a8c\u8bc1\u5728\u8f6c\u79fb\u8fc7\u7a0b\u4e2d<\/h3>\n<p>\u9a8c\u8bc1\u4e0d\u662f\u5fc5\u9700\u7684\u3002<\/p>\n<p>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u3067\u8a08\u7b97\u3057\u305fCRC32c hash \u304b MD5 hash\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u542b\u3081\u308b\u3002Cloud Storage\u306f\u3001\u3053\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3068\u53d7\u3051\u53d6\u3063\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u8a08\u7b97\u3057\u305f\u30cf\u30c3\u30b7\u30e5\u5024\u304c\u4e00\u81f4\u3059\u308b\u5834\u5408\u306e\u307f\u3001\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6642\u306b\u306f\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u542b\u307e\u308c\u3066\u3044\u308brepoted hash\u3068\u3001\u53d7\u3051\u53d6\u3063\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u8a08\u7b97\u3055\u308c\u305f\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u6bd4\u8f03\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30c7\u30fc\u30bf\u304c\u640d\u5931\u306a\u304f\u53d7\u3051\u53d6\u308c\u305f\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/p>\n<p>\u7531\u4e8eMD5\u54c8\u5e0c\u51fd\u6570\u4f1a\u6839\u636e\u6574\u4e2a\u5bf9\u8c61\u8ba1\u7b97\u51fa\u4e00\u4e2a\u503c\uff0c\u6240\u4ee5\u5728\u4f20\u8f93\u590d\u5408\u5bf9\u8c61\u65f6\u65e0\u6cd5\u4f7f\u7528\u3002<\/p>\n<details>\u8ba1\u7b97\u54c8\u5e0c\u503c\u7684\u65b9\u6cd5\u6709\u4ee5\u4e0b\u51e0\u79cd\u3002\u53ef\u4ee5\u4f7f\u7528`gsutil hash`\u547d\u4ee4\u6765\u8ba1\u7b97\u672c\u5730\u6587\u4ef6\u7684\u54c8\u5e0c\u503c\u3002<br \/>\n\u4f7f\u7528Boost\uff08C++\uff09\u3001crcmod\uff08Python\uff09\u3001digest-crc\uff08Ruby\uff09\u7b49\u5de5\u5177\u53ef\u4ee5\u8ba1\u7b97CRC32c\u54c8\u5e0c\u3002<\/p>\n<\/details>\n<h2>\u603b\u7ed3<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/73-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d927f913a08637a6e2d16\/74-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u6570\u636e\u4fdd\u5b58\u4f4d\u7f6e<\/p>\n<p>|\u4e91\u5b58\u50a8|\u6570\u636e\u5b58\u50a8|\u5927\u8868|\u4e91\u6570\u636e\u5e93|Spanner|<br \/>\n|&#8212;|&#8212;|&#8212;|&#8212;|&#8212;|&#8212;|<br \/>\n|\u533a\u57df\/\u591a\u533a\u57df|\u533a\u57df\/\u591a\u533a\u57df|\u5206\u533a|\u533a\u57df|\u5168\u7403|<\/p>\n<p>\u8fd9\u4e00\u5e26\u7684\u6570\u636e\u5e93\u6bd4\u8f83\u53ef\u4ee5\u53c2\u8003https:\/\/cloud-ace.jp\/column\/detail95\/ \uff0c\u770b\u8d77\u6765\u5f88\u7b80\u5355\u6613\u61c2\u3002<\/p>\n<h1>\u8bb0\u4e8b<\/h1>\n<h3>\u77ed\u66ab\u9519\u8bef\u548c\u957f\u671f\u9519\u8bef\u7684\u5904\u7406\u8bbe\u8ba1\u6a21\u5f0f<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Transient Errors \u2192 Exponential Backoff\u3067\u5bfe\u5fdc<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Service Availability Errors \u2192 Circuit Breaker Pattern\u3067\u5bfe\u5fdc<\/ul>\n<h3>\u9009\u62e9\u5730\u533a\u7684\u65b9\u6cd5<br \/>\n( Xuanze dizhi de fangfa)<\/h3>\n<p>\u6570\u636e\u5e93\u4f4d\u7f6e\u4f1a\u5f71\u54cd\u6210\u672c\u548c\u53ef\u7528\u6027\u3002\u5982\u679c\u8981\u964d\u4f4e\u5199\u5165\u5ef6\u8fdf\u548c\u6210\u672c\uff0c\u53ef\u4ee5\u9009\u62e9\u533a\u57df\u4f4d\u7f6e\uff1b\u5982\u679c\u8981\u63d0\u9ad8\u53ef\u7528\u6027\uff0c\u5373\u4f7f\u6210\u672c\u589e\u52a0\uff0c\u4e5f\u53ef\u4ee5\u9009\u62e9\u591a\u533a\u57df\u4f4d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u662f\u76f8\u5173\u7684\u6587\u7ae0\u3002 ?Getting Started With Application Development [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50554","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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