{"id":26426,"date":"2025-12-04T13:09:21","date_gmt":"2025-12-04T13:09:21","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=26426"},"modified":"2025-12-04T13:09:21","modified_gmt":"2025-12-04T13:09:21","slug":"step-functions-%e3%81%ae-256kb-%e5%88%b6%e9%99%90%e3%81%ab%e3%83%8f%e3%83%9e%e3%81%a3%e3%81%9f%e8%a9%b1-resultwriter-%e3%81%a7%e8%a7%a3%e6%b1%ba%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/26426\/","title":{"rendered":"Step Functions \u306e 256KB \u5236\u9650\u306b\u30cf\u30de\u3063\u305f\u8a71 \u2014 ResultWriter \u3067\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"\n<\/p>\n<div>\n<p><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/h\/hyu_kore\/20251204\/20251204185015.png\" width=\"1200\" height=\"675\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><\/p>\n<details open=\"\">\n<summary>\u76ee\u6b21<\/summary>\n<\/details>\n<p>\u3053\u306e\u8a18\u4e8b\u306f <a target=\"_blank\" href=\"https:\/\/tech.every.tv\/entry\/2025\/11\/26\/120000\">every Tech Blog Advent Calendar 2025<\/a> \u306e 8 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<h2 id=\"\u306f\u3058\u3081\u306b\">\u306f\u3058\u3081\u306b<\/h2>\n<p>\u3053\u3093\u306b\u3061\u306f\u3002\u958b\u767a\u672c\u90e8\u958b\u767a1\u90e8\u30c7\u30ea\u30c3\u30b7\u30e5\u30ad\u30c3\u30c1\u30f3MS2\u306b\u6240\u5c5e\u3057\u3066\u3044\u308b\u60df\u9ad8\u3067\u3059\u3002<\/p>\n<p>\u79c1\u304c\u62c5\u5f53\u3057\u3066\u3044\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001AWS Step Functions \u3092\u4f7f\u3063\u3066 Athena \u3067\u30c7\u30fc\u30bf\u3092\u96c6\u8a08\u3057\u3001\u7d50\u679c\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u3042\u308b\u65e5\u3001\u51e6\u7406\u5bfe\u8c61\u306e\u30c7\u30fc\u30bf\u91cf\u304c\u5897\u3048\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u7a81\u7136\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u304c\u505c\u6b62\u3057\u3001\u8abf\u67fb\u306e\u7d50\u679c Step Functions \u306e\u30da\u30a4\u30ed\u30fc\u30c9\u30b5\u30a4\u30ba\u5236\u9650\u306b\u8d77\u56e0\u3059\u308b\u554f\u984c\u3060\u3068\u5224\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u554f\u984c\u306e\u539f\u56e0\u3068 Step Functions \u306e\u5236\u9650\u306b\u3064\u3044\u3066\u8abf\u67fb\u3057\u305f\u5185\u5bb9\u3001\u305d\u3057\u3066 <code>ResultWriter<\/code> \u3068 <code>ItemReader<\/code> \u3092\u4f7f\u3063\u305f\u89e3\u6c7a\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"Step-Functions-\u3068\u306f\">Step Functions \u3068\u306f<\/h2>\n<p><a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/step-functions\/latest\/dg\/welcome.html\">AWS Step Functions<\/a> \u306f\u3001\u8907\u6570\u306e AWS \u30b5\u30fc\u30d3\u30b9\u3092\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3068\u3057\u3066\u9023\u643a\u3055\u305b\u308b\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u306e\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002JSON \u30d9\u30fc\u30b9\u306e <a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/step-functions\/latest\/dg\/concepts-amazon-states-language.html\">Amazon States Language\uff08ASL\uff09<\/a>\u3067\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u5b9a\u7fa9\u3057\u3001<a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/lambda\/latest\/dg\/welcome.html\">Lambda<\/a> \u95a2\u6570\u3084 <a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/athena\/latest\/ug\/what-is.html\">Athena<\/a> \u30af\u30a8\u30ea\u306a\u3069\u3092\u9806\u6b21\u30fb\u4e26\u5217\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3067\u306f\u3001<strong>Map \u30b9\u30c6\u30fc\u30c8<\/strong>\u3092\u4f7f\u3063\u3066\u8907\u6570\u306e\u30a2\u30a4\u30c6\u30e0\u3092\u4e26\u5217\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\u3002<a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/step-functions\/latest\/dg\/state-map.html\">Map \u30b9\u30c6\u30fc\u30c8<\/a>\u306b\u306f\u4ee5\u4e0b\u306e2\u3064\u306e\u30e2\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div class=\"s_table\"><table>\n<thead>\n<tr>\n<th> \u30e2\u30fc\u30c9 <\/th>\n<th> \u7279\u5fb4 <\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td> <a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/step-functions\/latest\/dg\/state-map-inline.html\"><strong>\u30a4\u30f3\u30e9\u30a4\u30f3<\/strong><\/a> <\/td>\n<td> Map \u72b6\u614b\u3092\u542b\u3080\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u5b9f\u884c\u3002\u6700\u5927 40 \u306e\u540c\u6642\u53cd\u5fa9 <\/td>\n<\/tr>\n<tr>\n<td> <a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/step-functions\/latest\/dg\/state-map-distributed.html\"><strong>\u5206\u6563<\/strong><\/a> <\/td>\n<td> \u5b50\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3068\u3057\u3066\u5206\u6563\u5b9f\u884c\u300210,000 \u3092\u8d85\u3048\u308b\u540c\u6642\u53cd\u5fa9\u304c\u53ef\u80fd <\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u4eca\u56de\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3067\u306f\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u5206\u6563\u30e2\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2 id=\"\u7a81\u7136\u306e\u30a8\u30e9\u30fc\u767a\u751f\">\u7a81\u7136\u306e\u30a8\u30e9\u30fc\u767a\u751f<\/h2>\n<p>\u3042\u308b\u65e5\u3001\u5b9a\u671f\u5b9f\u884c\u3057\u3066\u3044\u305f\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u304c\u4ee5\u4e0b\u306e\u30a8\u30e9\u30fc\u3067\u505c\u6b62\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"code\" data-lang=\"\" data-unlink=\"\">The state\/task 'Map' returned a result with a size exceeding the maximum number of bytes service limit.<\/pre>\n<p>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u898b\u308b\u3068\u3001<code>Map<\/code> \u30b9\u30c6\u30fc\u30c8\u306e\u51fa\u529b\u30b5\u30a4\u30ba\u304c\u4e0a\u9650\u3092\u8d85\u3048\u305f\u3053\u3068\u304c\u539f\u56e0\u306e\u3088\u3046\u3067\u3059\u3002\u51e6\u7406\u5bfe\u8c61\u306e\u30c7\u30fc\u30bf\u91cf\u304c\u5897\u3048\u305f\u3053\u3068\u3067\u3001\u5206\u6563 Map \u3067\u4e26\u5217\u51e6\u7406\u3057\u305f\u7d50\u679c\u304c\u84c4\u7a4d\u3055\u308c\u3001\u6b21\u306e\u30b9\u30c6\u30fc\u30c8\u306b\u6e21\u305b\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2 id=\"Step-Functions-\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u30b5\u30a4\u30ba\u5236\u9650\">Step Functions \u306e\u30da\u30a4\u30ed\u30fc\u30c9\u30b5\u30a4\u30ba\u5236\u9650<\/h2>\n<p>\u8abf\u67fb\u3057\u305f\u3068\u3053\u308d\u3001Step Functions \u306b\u306f <strong>256KB \u306e\u30da\u30a4\u30ed\u30fc\u30c9\u30b5\u30a4\u30ba\u5236\u9650<\/strong> \u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<h3 id=\"\u5236\u9650\u306e\u6982\u8981\">\u5236\u9650\u306e\u6982\u8981<\/h3>\n<p><a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/step-functions\/latest\/dg\/service-quotas.html#service-limits-task-executions\">AWS \u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u306b\u3088\u308b\u3068\u3001Step Functions \u3067\u306f\u4ee5\u4e0b\u306e\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30b9\u30c6\u30fc\u30c8\u9593\u3067\u53d7\u3051\u6e21\u3057\u3067\u304d\u308b\u30c7\u30fc\u30bf\u306e\u6700\u5927\u30b5\u30a4\u30ba\u306f <strong>256KB<\/strong><\/li>\n<li>\u3053\u306e\u5236\u9650\u306f\u5165\u529b\u30fb\u51fa\u529b\u306e\u4e21\u65b9\u306b\u9069\u7528\u3055\u308c\u308b<\/li>\n<li>\u5236\u9650\u3092\u8d85\u3048\u308b\u3068 <code>States.DataLimitExceeded<\/code> \u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b<\/li>\n<\/ul>\n<h3 id=\"\u306a\u305c\u3053\u306e\u5236\u9650\u304c\u3042\u308b\u306e\u304b\">\u306a\u305c\u3053\u306e\u5236\u9650\u304c\u3042\u308b\u306e\u304b<\/h3>\n<p>Step Functions \u306f\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u30b5\u30fc\u30d3\u30b9\u3067\u3042\u308a\u3001\u30b9\u30c6\u30fc\u30c8\u9593\u306e\u30c7\u30fc\u30bf\u306f\u30b5\u30fc\u30d3\u30b9\u5185\u90e8\u3067\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002<a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/step-functions\/latest\/dg\/sfn-best-practices.html#avoid-exec-failures\">AWS \u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>\u3067\u306f\u3001256KB \u3092\u8d85\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u30c7\u30fc\u30bf\u306f S3 \u306b\u4fdd\u5b58\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"\u554f\u984c\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u69cb\u6210\">\u554f\u984c\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u69cb\u6210<\/h2>\n<p>\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u305f\u5f53\u6642\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u6210\u3067\u3057\u305f\u3002<\/p>\n<pre class=\"code\" data-lang=\"\" data-unlink=\"\">Map\uff08\u5206\u6563\u30e2\u30fc\u30c9\uff09\u2500\u2500\u2500 S3\u304b\u3089\u5165\u529b\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\uff08ItemReader\uff09\n  \u2514\u2500\u2500 Map\uff081\uff09\uff08\u30a4\u30f3\u30e9\u30a4\u30f3\u30e2\u30fc\u30c9\uff09\u2500\u2500\u2500 \u5404\u30af\u30a8\u30ea\u3092\u5b9f\u884c\n        \u2514\u2500\u2500 SQL\u751f\u6210 \u2192 \u5b9f\u884c \u2192 \u7d50\u679c\u53d6\u5f97\n      \u2193\n  \u7d50\u679c\u3092\u53ce\u96c6\n      \u2193\n  \u3010\u3053\u3053\u3067 256KB \u3092\u8d85\u904e\u3011\n      \u2193\nMap\uff082\uff09\uff08\u30a4\u30f3\u30e9\u30a4\u30f3\u30e2\u30fc\u30c9\uff09\n  \u2514\u2500\u2500 \u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u51e6\u7406<\/pre>\n<p>\u203b Athena \u306e\u30af\u30a8\u30ea\u7d50\u679c\u305d\u306e\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u7d50\u679c\u304c\u683c\u7d0d\u3055\u308c\u305f S3 \u30d1\u30b9\u306e\u307f\u3092\u53d7\u3051\u6e21\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u51e6\u7406\u5bfe\u8c61\u306e\u30a2\u30a4\u30c6\u30e0\u6570\u304c\u5897\u3048\u308b\u3068\u30e1\u30bf\u30c7\u30fc\u30bf\u304c\u84c4\u7a4d\u3055\u308c\u3001256KB \u3092\u8d85\u3048\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n<h3 id=\"\u4fee\u6b63\u524d\u306e\u5b9a\u7fa9\u629c\u7c8b\">\u4fee\u6b63\u524d\u306e\u5b9a\u7fa9\uff08\u629c\u7c8b\uff09<\/h3>\n<pre class=\"code lang-json\" data-lang=\"json\" data-unlink=\"\"><span class=\"synSpecial\">{<\/span>\n  \"<span class=\"synStatement\">Map<\/span>\": <span class=\"synSpecial\">{<\/span>\n    \"<span class=\"synStatement\">Type<\/span>\": \"<span class=\"synConstant\">Map<\/span>\",\n    \"<span class=\"synStatement\">Next<\/span>\": \"<span class=\"synConstant\">Map (2)<\/span>\",\n    \"<span class=\"synStatement\">Iterator<\/span>\": <span class=\"synSpecial\">{<\/span>\n      \"<span class=\"synStatement\">StartAt<\/span>\": \"<span class=\"synConstant\">Map (1)<\/span>\",\n      \"<span class=\"synStatement\">States<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">Map (1)<\/span>\": <span class=\"synSpecial\">{<\/span>\n          \"<span class=\"synStatement\">Type<\/span>\": \"<span class=\"synConstant\">Map<\/span>\",\n          \"<span class=\"synStatement\">ItemsPath<\/span>\": \"<span class=\"synConstant\">$.queries<\/span>\",\n          \"<span class=\"synStatement\">Iterator<\/span>\": <span class=\"synSpecial\">{<\/span>\n            <span class=\"synError\">\/\/ ... Athena \u30af\u30a8\u30ea\u5b9f\u884c\u51e6\u7406<\/span>\n          <span class=\"synSpecial\">}<\/span>\n        <span class=\"synSpecial\">}<\/span>\n      <span class=\"synSpecial\">}<\/span>,\n      \"<span class=\"synStatement\">ProcessorConfig<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">Mode<\/span>\": \"<span class=\"synConstant\">DISTRIBUTED<\/span>\",\n        \"<span class=\"synStatement\">ExecutionType<\/span>\": \"<span class=\"synConstant\">STANDARD<\/span>\"\n      <span class=\"synSpecial\">}<\/span>\n    <span class=\"synSpecial\">}<\/span>,\n    \"<span class=\"synStatement\">ItemReader<\/span>\": <span class=\"synSpecial\">{<\/span>\n      \"<span class=\"synStatement\">Resource<\/span>\": \"<span class=\"synConstant\">arn:aws:states:::s3:getObject<\/span>\",\n      \"<span class=\"synStatement\">ReaderConfig<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">InputType<\/span>\": \"<span class=\"synConstant\">JSON<\/span>\"\n      <span class=\"synSpecial\">}<\/span>,\n      \"<span class=\"synStatement\">Parameters<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">Bucket.$<\/span>\": \"<span class=\"synConstant\">$.target.bucket<\/span>\",\n        \"<span class=\"synStatement\">Key.$<\/span>\": \"<span class=\"synConstant\">$.target.key<\/span>\"\n      <span class=\"synSpecial\">}<\/span>\n    <span class=\"synSpecial\">}<\/span>\n    <span class=\"synError\">\/\/ ResultWriter \u304c\u306a\u3044 \u2192 \u7d50\u679c\u304c\u76f4\u63a5\u6b21\u306e\u30b9\u30c6\u30fc\u30c8\u3078<\/span>\n  <span class=\"synSpecial\">}<\/span>,\n  \"<span class=\"synStatement\">Map (2)<\/span>\": <span class=\"synSpecial\">{<\/span>\n    \"<span class=\"synStatement\">Type<\/span>\": \"<span class=\"synConstant\">Map<\/span>\",\n    \"<span class=\"synStatement\">ItemProcessor<\/span>\": <span class=\"synSpecial\">{<\/span>\n      \"<span class=\"synStatement\">ProcessorConfig<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">Mode<\/span>\": \"<span class=\"synConstant\">INLINE<\/span>\"\n      <span class=\"synSpecial\">}<\/span>\n      <span class=\"synError\">\/\/ ... \u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u51e6\u7406<\/span>\n    <span class=\"synSpecial\">}<\/span>\n  <span class=\"synSpecial\">}<\/span>\n<span class=\"synSpecial\">}<\/span>\n<\/pre>\n<h2 id=\"\u89e3\u6c7a\u7b56-ResultWriter-\u3068-ItemReader-\u306e\u6d3b\u7528\">\u89e3\u6c7a\u7b56: ResultWriter \u3068 ItemReader \u306e\u6d3b\u7528<\/h2>\n<p>Step Functions \u306e\u5206\u6563 Map \u306b\u306f\u3001\u5927\u304d\u306a\u7d50\u679c\u3092 S3 \u306b\u66f8\u304d\u51fa\u3059 <a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/step-functions\/latest\/dg\/input-output-resultwriter.html\"><code>ResultWriter<\/code><\/a> \u3068\u3044\u3046\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3068 <a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/step-functions\/latest\/dg\/input-output-itemreader.html\"><code>ItemReader<\/code><\/a> \u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001256KB \u306e\u5236\u9650\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"ResultWriter-\u3068\u306f\">ResultWriter \u3068\u306f<\/h3>\n<p><a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/step-functions\/latest\/dg\/input-output-resultwriter.html\"><code>ResultWriter<\/code><\/a> \u306f\u3001\u5206\u6563 Map \u306e\u5b9f\u884c\u7d50\u679c\u3092 S3 \u306b\u66f8\u304d\u51fa\u3059\u6a5f\u80fd\u3067\u3059\u3002\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u9020\u3067\u30d5\u30a1\u30a4\u30eb\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"code\" data-lang=\"\" data-unlink=\"\">\u6307\u5b9a\u3057\u305fS3\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\/\n\u2514\u2500\u2500 {\u5b9f\u884cID}\/\n    \u251c\u2500\u2500 manifest.json       # \u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\n    \u251c\u2500\u2500 SUCCEEDED_0.json    # \u6210\u529f\u3057\u305f\u5b50\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u7d50\u679c\n    \u251c\u2500\u2500 SUCCEEDED_1.json    # (5GB \u3092\u8d85\u3048\u308b\u5834\u5408\u306f\u5206\u5272\u3055\u308c\u308b)\n    \u251c\u2500\u2500 FAILED_0.json       # \u5931\u6557\u3057\u305f\u5b50\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u7d50\u679c\n    \u2514\u2500\u2500 PENDING_0.json      # \u672a\u5b9f\u884c\u306e\u5b50\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u60c5\u5831<\/pre>\n<p>\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u5834\u6240\u3084\u30de\u30c3\u30d7\u5b9f\u884c ARN\u3001\u5404\u7d50\u679c\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u53c2\u7167\u306a\u3069\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"ItemReader-\u3068\u306f\">ItemReader \u3068\u306f<\/h3>\n<p><a target=\"_blank\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/step-functions\/latest\/dg\/input-output-itemreader.html\"><code>ItemReader<\/code><\/a> \u306f\u3001\u5206\u6563 Map \u306e\u5165\u529b\u30c7\u30fc\u30bf\u3092 S3 \u304b\u3089\u8aad\u307f\u8fbc\u3080\u6a5f\u80fd\u3067\u3059\u3002\u901a\u5e38\u3001Map \u30b9\u30c6\u30fc\u30c8\u306f <code>ItemsPath<\/code> \u3067\u6307\u5b9a\u3057\u305f\u914d\u5217\u3092\u30eb\u30fc\u30d7\u3057\u307e\u3059\u304c\u3001<code>ItemReader<\/code> \u3092\u4f7f\u3046\u3068 S3 \u306b\u4fdd\u5b58\u3055\u308c\u305f JSON \u3084 CSV \u30d5\u30a1\u30a4\u30eb\u304b\u3089\u76f4\u63a5\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3081\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5927\u91cf\u30c7\u30fc\u30bf\u306e\u51e6\u7406<\/strong>: 256KB \u306e\u5165\u529b\u5236\u9650\u3092\u6c17\u306b\u305b\u305a\u3001S3 \u4e0a\u306e\u5927\u304d\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u76f4\u63a5\u51e6\u7406\u3067\u304d\u308b<\/li>\n<li><strong>\u67d4\u8edf\u306a\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9<\/strong>: JSON\u3001CSV\u3001\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u69d8\u3005\u306a\u5f62\u5f0f\u306b\u5bfe\u5fdc<\/li>\n<li><strong>\u30dd\u30a4\u30f3\u30bf\u6307\u5b9a<\/strong>: <code>ItemsPointer<\/code> \u3092\u4f7f\u3063\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u7279\u5b9a\u306e\u30d1\u30b9\u306b\u3042\u308b\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3067\u304d\u308b<\/li>\n<\/ul>\n<p>\u4eca\u56de\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3067\u306f\u3001<code>ResultWriter<\/code> \u3067\u66f8\u304d\u51fa\u3057\u305f\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092 <code>ItemReader<\/code> \u3067\u8aad\u307f\u8fbc\u307f\u3001\u7d50\u679c\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u89a7\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"\u4fee\u6b63\u5f8c\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u69cb\u6210\">\u4fee\u6b63\u5f8c\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u69cb\u6210<\/h3>\n<pre class=\"code\" data-lang=\"\" data-unlink=\"\">Map\uff08\u5206\u6563\u30e2\u30fc\u30c9\uff09\u2500\u2500\u2500 S3\u304b\u3089\u5165\u529b\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\uff08ItemReader\uff09\n  \u2514\u2500\u2500 Map\uff081\uff09\uff08\u30a4\u30f3\u30e9\u30a4\u30f3\u30e2\u30fc\u30c9\uff09\u2500\u2500\u2500 \u5404\u30af\u30a8\u30ea\u3092\u5b9f\u884c\n        \u2514\u2500\u2500 SQL\u751f\u6210 \u2192 \u5b9f\u884c \u2192 \u7d50\u679c\u53d6\u5f97\n      \u2193\n  ResultWriter \u3067 S3 \u306b\u7d50\u679c\u3092\u66f8\u304d\u51fa\u3057 \u2190 \u3010\u30dd\u30a4\u30f3\u30c8\u3011\n      \u2193\n  \u3010S3 \u7d4c\u7531\u3067\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u6e21\u3057\u3011\n      \u2193\n\u300cS3\u306b\u4fdd\u5b58\u3057\u305f\u51e6\u7406\u53d6\u5f97\u300dMap\uff08\u5206\u6563\u30e2\u30fc\u30c9\uff09\u2500\u2500\u2500 \u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u304b\u3089\u7d50\u679c\u30d5\u30a1\u30a4\u30eb\u4e00\u89a7\u3092\u53d6\u5f97\uff08ItemReader\uff09\n  \u2514\u2500\u2500 Map\uff082\uff09\uff08\u5206\u6563\u30e2\u30fc\u30c9\uff09\u2500\u2500\u2500 \u5404\u7d50\u679c\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\uff08ItemReader\uff09\n       \u2514\u2500\u2500 \u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u51e6\u7406<\/pre>\n<p>\u203b \u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306b\u306f\u8907\u6570\u306e\u7d50\u679c\u30d5\u30a1\u30a4\u30eb\uff08SUCCEEDED_0.json, SUCCEEDED_1.json \u306a\u3069\uff09\u3078\u306e\u53c2\u7167\u304c\u542b\u307e\u308c\u308b\u305f\u3081\u3001\u305d\u308c\u305e\u308c\u3092\u4e26\u5217\u51e6\u7406\u3059\u308b\u305f\u3081\u306b Map \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u6700\u521d\u306e <code>Map<\/code> \u306b <code>ResultWriter<\/code> \u3092\u8ffd\u52a0\u3057\u3066\u7d50\u679c\u3092 S3 \u306b\u66f8\u304d\u51fa\u3057\u3001\u5f8c\u7d9a\u306e\u51e6\u7406\u3067\u306f <code>ItemReader<\/code> \u3092\u4f7f\u3063\u3066 S3 \u304b\u3089\u8aad\u307f\u8fbc\u3080\u3088\u3046\u306b\u3057\u305f\u70b9\u3067\u3059\u3002<\/p>\n<h3 id=\"\u4fee\u6b63\u5f8c\u306e\u5b9a\u7fa9\u629c\u7c8b\">\u4fee\u6b63\u5f8c\u306e\u5b9a\u7fa9\uff08\u629c\u7c8b\uff09<\/h3>\n<p><strong>1. ResultWriter \u306e\u8ffd\u52a0<\/strong><\/p>\n<p>\u6700\u521d\u306e Map \u306b <code>ResultWriter<\/code> \u3092\u8ffd\u52a0\u3057\u3001\u7d50\u679c\u3092 S3 \u306b\u66f8\u304d\u51fa\u3059\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"code lang-json\" data-lang=\"json\" data-unlink=\"\"><span class=\"synSpecial\">{<\/span>\n  \"<span class=\"synStatement\">Map<\/span>\": <span class=\"synSpecial\">{<\/span>\n    \"<span class=\"synStatement\">Type<\/span>\": \"<span class=\"synConstant\">Map<\/span>\",\n    \"<span class=\"synStatement\">Next<\/span>\": \"<span class=\"synConstant\">S3\u306b\u4fdd\u5b58\u3057\u305f\u51e6\u7406\u3092\u53d6\u5f97<\/span>\",\n    \"<span class=\"synStatement\">Iterator<\/span>\": <span class=\"synSpecial\">{<\/span>\n      <span class=\"synError\">\/\/ ... \u65e2\u5b58\u306e\u51e6\u7406<\/span>\n    <span class=\"synSpecial\">}<\/span>,\n    \"<span class=\"synStatement\">ResultWriter<\/span>\": <span class=\"synSpecial\">{<\/span>\n      \"<span class=\"synStatement\">Resource<\/span>\": \"<span class=\"synConstant\">arn:aws:states:::s3:putObject<\/span>\",\n      \"<span class=\"synStatement\">Parameters<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">Bucket<\/span>\": \"<span class=\"synConstant\">your-bucket-name<\/span>\",\n        \"<span class=\"synStatement\">Prefix<\/span>\": \"<span class=\"synConstant\">workflow-results\/<\/span>\"\n      <span class=\"synSpecial\">}<\/span>,\n      \"<span class=\"synStatement\">WriterConfig<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">OutputType<\/span>\": \"<span class=\"synConstant\">JSON<\/span>\",\n        \"<span class=\"synStatement\">Transformation<\/span>\": \"<span class=\"synConstant\">FLATTEN<\/span>\"\n      <span class=\"synSpecial\">}<\/span>\n    <span class=\"synSpecial\">}<\/span>\n  <span class=\"synSpecial\">}<\/span>\n<span class=\"synSpecial\">}<\/span>\n<\/pre>\n<p><strong>2. \u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u304b\u3089\u7d50\u679c\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080 Map \u306e\u8ffd\u52a0<\/strong><\/p>\n<p><code>ResultWriter<\/code> \u306e\u51fa\u529b\u306b\u306f <code>ResultWriterDetails<\/code> \u3068\u3044\u3046\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u542b\u307e\u308c\u3001\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092 <code>ItemReader<\/code> \u3067\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"code lang-json\" data-lang=\"json\" data-unlink=\"\"><span class=\"synSpecial\">{<\/span>\n  \"<span class=\"synStatement\">S3\u306b\u4fdd\u5b58\u3057\u305f\u51e6\u7406\u3092\u53d6\u5f97<\/span>\": <span class=\"synSpecial\">{<\/span>\n    \"<span class=\"synStatement\">Type<\/span>\": \"<span class=\"synConstant\">Map<\/span>\",\n    \"<span class=\"synStatement\">ItemProcessor<\/span>\": <span class=\"synSpecial\">{<\/span>\n      \"<span class=\"synStatement\">ProcessorConfig<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">Mode<\/span>\": \"<span class=\"synConstant\">DISTRIBUTED<\/span>\",\n        \"<span class=\"synStatement\">ExecutionType<\/span>\": \"<span class=\"synConstant\">STANDARD<\/span>\"\n      <span class=\"synSpecial\">}<\/span>,\n      \"<span class=\"synStatement\">StartAt<\/span>\": \"<span class=\"synConstant\">Bucket\u4ed8\u4e0e<\/span>\",\n      \"<span class=\"synStatement\">States<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">Bucket\u4ed8\u4e0e<\/span>\": <span class=\"synSpecial\">{<\/span>\n          \"<span class=\"synStatement\">Type<\/span>\": \"<span class=\"synConstant\">Pass<\/span>\",\n          \"<span class=\"synStatement\">Next<\/span>\": \"<span class=\"synConstant\">Map (2)<\/span>\",\n          \"<span class=\"synStatement\">Parameters<\/span>\": <span class=\"synSpecial\">{<\/span>\n            \"<span class=\"synStatement\">Bucket<\/span>\": \"<span class=\"synConstant\">your-bucket-name<\/span>\",\n            \"<span class=\"synStatement\">Key.$<\/span>\": \"<span class=\"synConstant\">$.Key<\/span>\"\n          <span class=\"synSpecial\">}<\/span>\n        <span class=\"synSpecial\">}<\/span>,\n        \"<span class=\"synStatement\">Map (2)<\/span>\": <span class=\"synSpecial\">{<\/span>\n          <span class=\"synError\">\/\/ ... \u5f8c\u7d9a\u306e\u51e6\u7406<\/span>\n        <span class=\"synSpecial\">}<\/span>\n      <span class=\"synSpecial\">}<\/span>\n    <span class=\"synSpecial\">}<\/span>,\n    \"<span class=\"synStatement\">ItemReader<\/span>\": <span class=\"synSpecial\">{<\/span>\n      \"<span class=\"synStatement\">Resource<\/span>\": \"<span class=\"synConstant\">arn:aws:states:::s3:getObject<\/span>\",\n      \"<span class=\"synStatement\">ReaderConfig<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">InputType<\/span>\": \"<span class=\"synConstant\">JSON<\/span>\",\n        \"<span class=\"synStatement\">ItemsPointer<\/span>\": \"<span class=\"synConstant\">\/ResultFiles\/SUCCEEDED<\/span>\"\n      <span class=\"synSpecial\">}<\/span>,\n      \"<span class=\"synStatement\">Parameters<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">Bucket.$<\/span>\": \"<span class=\"synConstant\">$.ResultWriterDetails.Bucket<\/span>\",\n        \"<span class=\"synStatement\">Key.$<\/span>\": \"<span class=\"synConstant\">$.ResultWriterDetails.Key<\/span>\"\n      <span class=\"synSpecial\">}<\/span>\n    <span class=\"synSpecial\">}<\/span>\n  <span class=\"synSpecial\">}<\/span>\n<span class=\"synSpecial\">}<\/span>\n<\/pre>\n<p>\u30dd\u30a4\u30f3\u30c8\u306f <code>ItemsPointer: \"\/ResultFiles\/SUCCEEDED\"<\/code> \u306e\u90e8\u5206\u3067\u3059\u3002\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u6210\u529f\u3057\u305f\u7d50\u679c\u30d5\u30a1\u30a4\u30eb\u4e00\u89a7\u3092\u76f4\u63a5\u53c2\u7167\u3057\u3001\u305d\u308c\u305e\u308c\u3092\u4e26\u5217\u51e6\u7406\u306e\u30a2\u30a4\u30c6\u30e0\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002<\/p>\n<p><strong>3. \u5404\u7d50\u679c\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3093\u3067\u51e6\u7406<\/strong><\/p>\n<p>\u6700\u5f8c\u306b\u3001\u5404\u7d50\u679c\u30d5\u30a1\u30a4\u30eb\u3092 <code>ItemReader<\/code> \u3067\u8aad\u307f\u8fbc\u307f\u3001\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"code lang-json\" data-lang=\"json\" data-unlink=\"\"><span class=\"synSpecial\">{<\/span>\n  \"<span class=\"synStatement\">Map (2)<\/span>\": <span class=\"synSpecial\">{<\/span>\n    \"<span class=\"synStatement\">Type<\/span>\": \"<span class=\"synConstant\">Map<\/span>\",\n    \"<span class=\"synStatement\">ItemProcessor<\/span>\": <span class=\"synSpecial\">{<\/span>\n      <span class=\"synError\">\/\/ ... \u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u51e6\u7406<\/span>\n    <span class=\"synSpecial\">}<\/span>,\n    \"<span class=\"synStatement\">ItemReader<\/span>\": <span class=\"synSpecial\">{<\/span>\n      \"<span class=\"synStatement\">Resource<\/span>\": \"<span class=\"synConstant\">arn:aws:states:::s3:getObject<\/span>\",\n      \"<span class=\"synStatement\">ReaderConfig<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">InputType<\/span>\": \"<span class=\"synConstant\">JSON<\/span>\"\n      <span class=\"synSpecial\">}<\/span>,\n      \"<span class=\"synStatement\">Parameters<\/span>\": <span class=\"synSpecial\">{<\/span>\n        \"<span class=\"synStatement\">Bucket.$<\/span>\": \"<span class=\"synConstant\">$.Bucket<\/span>\",\n        \"<span class=\"synStatement\">Key.$<\/span>\": \"<span class=\"synConstant\">$.Key<\/span>\"\n      <span class=\"synSpecial\">}<\/span>\n    <span class=\"synSpecial\">}<\/span>\n  <span class=\"synSpecial\">}<\/span>\n<span class=\"synSpecial\">}<\/span>\n<\/pre>\n<h2 id=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/h2>\n<p>Step Functions \u306e 256KB \u30da\u30a4\u30ed\u30fc\u30c9\u30b5\u30a4\u30ba\u5236\u9650\u306b\u906d\u9047\u3057\u305f\u969b\u306e\u89e3\u6c7a\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><strong>\u30dd\u30a4\u30f3\u30c8:<\/strong><\/p>\n<ul>\n<li>Step Functions \u306e\u30b9\u30c6\u30fc\u30c8\u9593\u3067\u53d7\u3051\u6e21\u305b\u308b\u30c7\u30fc\u30bf\u306f <strong>256KB \u307e\u3067<\/strong><\/li>\n<li>\u5927\u304d\u306a\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u306f <strong>S3 \u3092\u7d4c\u7531<\/strong> \u3059\u308b\u8a2d\u8a08\u304c\u5fc5\u8981<\/li>\n<li>\u5206\u6563 Map \u306e <code>ResultWriter<\/code> \u3067\u7d50\u679c\u3092 S3 \u306b\u66f8\u304d\u51fa\u305b\u308b<\/li>\n<li><code>ItemReader<\/code> \u306e <code>ItemsPointer<\/code> \u3067\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u304b\u3089\u5fc5\u8981\u306a\u60c5\u5831\u3092\u62bd\u51fa\u3067\u304d\u308b<\/li>\n<\/ul>\n<p>\u4eca\u56de\u306e\u30a8\u30e9\u30fc\u3092\u304d\u3063\u304b\u3051\u306b Step Functions \u306e\u5236\u9650\u3068\u3001\u305d\u308c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u7406\u89e3\u3092\u6df1\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u540c\u69d8\u306e\u554f\u984c\u306b\u906d\u9047\u3057\u305f\u65b9\u306e\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n<p>\u6700\u5f8c\u307e\u3067\u8aad\u3093\u3067\u3044\u305f\u3060\u304d\u3001\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/p>\n<\/div>\n<p><script>(function(d, s, id) {\n  var js, fjs = d.getElementsByTagName(s)[0];\n  if (d.getElementById(id)) return;\n  js = d.createElement(s); js.id = id;\n  js.src = \"\/\/connect.facebook.net\/ja_JP\/sdk.js#xfbml=1&appId=719729204785177&version=v17.0\";\n  fjs.parentNode.insertBefore(js, fjs);\n}(document, 'script', 'facebook-jssdk'));<\/script><br \/>\n<br \/>\n<br \/><a href=\"https:\/\/tech.every.tv\/entry\/2025\/12\/04\/191525\">\u5143\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3059\u308b <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u76ee\u6b21 \u3053\u306e\u8a18\u4e8b\u306f every Tech Blog Advent Calendar 2025 \u306e 8 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\u3002\u958b\u767a\u672c\u90e8\u958b\u767a1\u90e8\u30c7\u30ea\u30c3\u30b7\u30e5\u30ad\u30c3\u30c1\u30f3MS2\u306b\u6240\u5c5e\u3057\u3066\u3044\u308b\u60df\u9ad8\u3067\u3059\u3002 \u79c1\u304c\u62c5\u5f53\u3057\u3066\u3044 [&hellip;]","protected":false},"author":1,"featured_media":26427,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-26426","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-tec"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Step Functions \u306e 256KB \u5236\u9650\u306b\u30cf\u30de\u3063\u305f\u8a71 \u2014 ResultWriter \u3067\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5 - \u30dd\u30b1\u30b3\u30f3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tech.every.tv\/entry\/2025\/12\/04\/191525\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Step Functions \u306e 256KB \u5236\u9650\u306b\u30cf\u30de\u3063\u305f\u8a71 \u2014 ResultWriter \u3067\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5 - \u30dd\u30b1\u30b3\u30f3\" \/>\n<meta property=\"og:description\" content=\"\u76ee\u6b21 \u3053\u306e\u8a18\u4e8b\u306f every Tech Blog Advent Calendar 2025 \u306e 8 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\u3002\u958b\u767a\u672c\u90e8\u958b\u767a1\u90e8\u30c7\u30ea\u30c3\u30b7\u30e5\u30ad\u30c3\u30c1\u30f3MS2\u306b\u6240\u5c5e\u3057\u3066\u3044\u308b\u60df\u9ad8\u3067\u3059\u3002 \u79c1\u304c\u62c5\u5f53\u3057\u3066\u3044 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tech.every.tv\/entry\/2025\/12\/04\/191525\" \/>\n<meta property=\"og:site_name\" content=\"\u30dd\u30b1\u30b3\u30f3\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-04T13:09:21+00:00\" \/>\n<meta property=\"og:image\" 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