{"id":50325,"date":"2023-06-22T07:53:25","date_gmt":"2023-12-13T07:11:13","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%89%b9%e5%be%81%e5%bc%95%e6%93%8ekaskada%e4%b8%8e%e5%a4%96%e9%83%a8%e7%b3%bb%e7%bb%9f%e7%9a%84%e9%9b%86%e6%88%90%e5%92%8c%e6%95%b0%e6%8d%ae%e8%be%93%e5%87%ba\/"},"modified":"2024-04-30T10:07:48","modified_gmt":"2024-04-30T02:07:48","slug":"%e7%89%b9%e5%be%81%e5%bc%95%e6%93%8ekaskada%e4%b8%8e%e5%a4%96%e9%83%a8%e7%b3%bb%e7%bb%9f%e7%9a%84%e9%9b%86%e6%88%90%e5%92%8c%e6%95%b0%e6%8d%ae%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%89%b9%e5%be%81%e5%bc%95%e6%93%8ekaskada%e4%b8%8e%e5%a4%96%e9%83%a8%e7%b3%bb%e7%bb%9f%e7%9a%84%e9%9b%86%e6%88%90%e5%92%8c%e6%95%b0%e6%8d%ae%e8%be%93%e5%87%ba\/","title":{"rendered":"\u7279\u5f81\u5f15\u64ceKaskada\u4e0e\u5916\u90e8\u7cfb\u7edf\u7684\u96c6\u6210\u548c\u6570\u636e\u8f93\u51fa"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u524d\u51e0\u5929\uff0c\u6211\u53d1\u5e03\u4e86\u4ee5\u4e0b\u7684\u6587\u7ae0\u3002<\/p>\n

 <\/p>\n

\u5b66\u4e60\u65b0\u7684\u7f16\u7a0b\u8bed\u8a00\uff08\u7684\u8303\u5f0f\uff09\u662f\u4e00\u4ef6\u7279\u522b\u6709\u8da3\u7684\u4e8b\u60c5\u3002\u65e0\u8bba\u4f55\u65f6\u63a5\u89e6\u5230\u65b0\u6280\u672f\uff0c\u90fd\u4f1a\u611f\u5230\u6109\u5feb\u3002<\/p>\n

\u6240\u4ee5\uff0c\u6211\u4ecd\u5728\u52aa\u529b\u5b66\u4e60\u4e2d\uff0c\u4f5c\u4e3a\u516c\u5f0f\u6587\u6863\u5b66\u4e60\u8fc7\u7a0b\u7684\u8bb0\u5f55\uff0c\u6211\u6574\u7406\u4e86\u4ee5\u4e0b\u6587\u7ae0\u3002<\/p>\n

\u8bf7\u53c2\u8003\u4ee5\u4e0b\u6587\u4ef6\u4f5c\u4e3a\u672c\u7a3f\u60c5\u62a5\u7684\u6765\u6e90\u3002<\/p>\n

 <\/p>\n

\u5728\u7279\u5f81\u5f15\u64ceKaskada\u4e2d\uff0c\u4e0e\u5916\u90e8\u7cfb\u7edf\u7684\u96c6\u6210\u548c\u6570\u636e\u8f93\u51fa<\/h1>\n

\u603b\u7ed3<\/h2>\n

Kaskada \u652f\u6301\u591a\u79cd\u8f93\u5165\u6e90\u548c\u8f93\u51fa\uff08sink\uff09\u3002\u4ee5\u4e0b\u662f\u5bf9\u5176\u6982\u8ff0\uff08\u672c\u6587\u7279\u522b\u5173\u6ce8\u8f93\u51fa\uff09\u3002<\/p>\n

Apache Pulsar\u306f\u30bd\u30fc\u30b9\u304a\u3088\u3073\u30b7\u30f3\u30af\u3068\u3057\u3066\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

Apache Cassandra \u306f\u3001 Apache Pulsar \u30b7\u30f3\u30af\u304a\u3088\u3073 Pulsar to Cassandra \u30b3\u30cd\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u5b9b\u5148\u3068\u3057\u3066\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n

Redis \u306f\u3001 Apache Pulsar \u30b7\u30f3\u30af\u3068 Pulsar to Redis \u30b3\u30cd\u30af\u30bf\u3092\u4f7f\u7528\u3057\u305f\u5b9b\u5148\u3068\u3057\u3066\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

AWS Redshift \u306f\u3001Parquet \u30b7\u30f3\u30af\u3092\u4f7f\u7528\u3057\u305f\u5b9b\u5148\u3068\u3057\u3066\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\uff08 Parquet \u30d5\u30a1\u30a4\u30eb\u3092 Redshift \u306b\u30ed\u30fc\u30c9\u3057\u307e\u3059\uff09\u3002<\/p>\n

Snowflake \u306f\u3001 Parquet \u30b7\u30f3\u30af\u3092\u4f7f\u7528\u3057\u305f\u5b9b\u5148\u3068\u3057\u3066\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\uff08Parquet \u30d5\u30a1\u30a4\u30eb\u3092 Snowflake \u306b\u30ed\u30fc\u30c9\u3057\u307e\u3059\uff09\u3002<\/p>\n

\u963f\u5e15\u5947\u8109\u51b2\u661f<\/h2>\n

Apache Pulsar\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u6d41\u5904\u7406\u5e73\u53f0\u3002<\/p>\n

\u5411Pulsar\u7684\u5199\u5165<\/h3>\n

\u901a\u8fc7\u521b\u5efa\u4ee5\u4e0b\u7684materialization\u6765\u5b9e\u73b0\u5c06\u67e5\u8be2\u7ed3\u679c\u5b9e\u65f6\u5199\u5165Pulsar\u3002<\/p>\n

tenant<\/span> =<\/span> \"<\/span>public<\/span>\"<\/span>\r\nnamespace<\/span> =<\/span> \"<\/span>default<\/span>\"<\/span>\r\ntopic_name<\/span> =<\/span> \"<\/span>model_features<\/span>\"<\/span>\r\nbroker_service_url<\/span> =<\/span> \"<\/span>pulsar:\/\/127.0.0.1:6650<\/span>\"<\/span>\r\ndestination<\/span> =<\/span> materialization<\/span>.<\/span>PulsarDestination<\/span>(<\/span>tenant<\/span>,<\/span> namespace<\/span>,<\/span> topic_name<\/span>,<\/span> broker_service_url<\/span>)<\/span>\r\n\r\nmaterialization<\/span>.<\/span>create_materialization<\/span>(<\/span>\r\n    name<\/span> =<\/span> \"<\/span>MaterializedFeatures<\/span>\"<\/span>,<\/span>\r\n    destination<\/span> =<\/span> destination<\/span>,<\/span>\r\n    query<\/span> =<\/span> \"<\/span>{\r\n      key: Purchase.customer_id,\r\n      max_amount: Purchase.amount | max(),\r\n      min_amount: Purchase.amount | min(),\r\n    }<\/span>\"<\/span>\r\n)<\/span>\r\n<\/code><\/pre>\n
\u4e9a\u9a6c\u900a\u4e91\u8ba1\u7b97\uff08AWS\uff09\u7684\u7ea2\u79fb\u6570\u636e\u5e93<\/h2>\n
Redshift \u662f\u4e00\u79cd\u57fa\u4e8e\u4e3b\u673a\u7684\u6570\u636e\u4ed3\u5e93\uff0c\u53ef\u4e3a\u5927\u89c4\u6a21\u6570\u636e\u96c6\u63d0\u4f9b\u53ef\u6269\u5c55\u7684 SQL \u67e5\u8be2\u3002<\/p>\n
\u5c06\u6570\u636e\u5199\u5165Redshift\u6570\u636e\u5e93<\/h2>\n
\u9996\u5148\uff0c\u5c06\u503c\u4ee5Parquet\u683c\u5f0f\u5bfc\u51fa\u3002
\n\u7136\u540e\uff0c\u901a\u8fc7\u4f7f\u7528COPY\u547d\u4ee4\uff0c\u53ef\u4ee5\u5c06Parquet\u6587\u4ef6\u52a0\u8f7d\u5230Redshift\u4e2d\u3002<\/p>\n
\u5982\u679c\u6307\u5b9a\u4e86–output parquet\uff0c\u53ef\u4ee5\u5c06\u7ed3\u679c\u8f93\u51fa\u4e3aParquet\u6587\u4ef6\u5e76\u4f5c\u4e3aURL\u8fd4\u56de\u3002<\/p>\n
%%<\/span>fenl<\/span> --<\/span>output<\/span> parquet<\/span>\r\n{<\/span>\r\n  key<\/span>:<\/span> Purchase<\/span>.<\/span>customer_id<\/span>,<\/span>\r\n  max_amount<\/span>:<\/span> Purchase<\/span>.<\/span>amount<\/span> |<\/span> max<\/span>(),<\/span>\r\n  min_amount<\/span>:<\/span> Purchase<\/span>.<\/span>amount<\/span> |<\/span> min<\/span>(),<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u901a\u8fc7\u4f7f\u7528\u8be5URL\uff0c\u60a8\u53ef\u4ee5\u5c06Parquet\u6587\u4ef6\u52a0\u8f7d\u5230Redshift\u8868\u4e2d\uff0c\u65b9\u6cd5\u5982\u4e0b\u3002<\/p>\n
COPY<\/span> feature_vectors<\/span>\r\nFROM<\/span> '<file url>'<\/span>\r\nFORMAT<\/span> AS<\/span> PARQUET<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u96ea\u82b1<\/h2>\n
Snowflake\u662f\u4e00\u4e2a\u4e3b\u673a\u578b\u6570\u636e\u4ed3\u5e93\uff0c\u4e3a\u5927\u89c4\u6a21\u6570\u636e\u96c6\u63d0\u4f9b\u53ef\u6269\u5c55\u7684SQL\u67e5\u8be2\u3002<\/p>\n
\u5199\u7ed9Snowflake\u7684\u7559\u8a00<\/h3>\n
\u9996\u5148\uff0c\u5c06\u503c\u5bfc\u51fa\u4e3aParquet\u683c\u5f0f\u3002
\n\u7136\u540e\uff0c\u901a\u8fc7\u4f7f\u7528COPY\u547d\u4ee4\uff0c\u5c06Parquet\u6587\u4ef6\u52a0\u8f7d\u5230Snowflake\u4e2d\u3002<\/p>\n
\u5982\u679c\u6307\u5b9a\u4e86–output parquet\uff0c\u53ef\u4ee5\u5c06\u7ed3\u679c\u4f5c\u4e3a\u4e00\u4e2a\u6807\u8bc6URL\u8f93\u51fa\u4e3aParquet\u6587\u4ef6\u3002<\/p>\n
%%<\/span>fenl<\/span> --<\/span>output<\/span> parquet<\/span>\r\n{<\/span>\r\n  key<\/span>:<\/span> Purchase<\/span>.<\/span>customer_id<\/span>,<\/span>\r\n  max_amount<\/span>:<\/span> Purchase<\/span>.<\/span>amount<\/span> |<\/span> max<\/span>(),<\/span>\r\n  min_amount<\/span>:<\/span> Purchase<\/span>.<\/span>amount<\/span> |<\/span> min<\/span>(),<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6700\u7ec8\u751f\u6210\u7684 Parquet \u6587\u4ef6\u53ef\u4ee5\u4ee5\u4ee5\u4e0b\u65b9\u5f0f\u52a0\u8f7d\u5230 Snowflake \u7684\u4e34\u65f6\u8868\u4e2d\u3002<\/p>\n
create<\/span> or<\/span> replace<\/span> temporary<\/span> table<\/span> feature_vectors<\/span> (<\/span>\r\n  key<\/span> varchar<\/span> default<\/span> null<\/span>,<\/span>\r\n  max_amount<\/span> number<\/span>,<\/span>\r\n  min_amount<\/span> number<\/span>\r\n);<\/span>\r\n\r\ncreate<\/span> or<\/span> replace<\/span> file<\/span> format<\/span> feature_vector_parquet_format<\/span>\r\n  type<\/span> =<\/span> 'parquet'<\/span>;<\/span>\r\n\r\ncreate<\/span> or<\/span> replace<\/span> temporary<\/span> stage<\/span> feature_vector_stage<\/span>\r\n  file_format<\/span> =<\/span> feature_vector_parquet_format<\/span>;<\/span>\r\n\r\nput<\/span> <<\/span>file<\/span> url<\/span>><\/span> @<\/span>sf_tut_stage<\/span>;<\/span>\r\n\r\ncopy<\/span> into<\/span> cities<\/span>\r\n  from<\/span> (<\/span>select<\/span> *<\/span> from<\/span> @<\/span>sf_tut_stage<\/span>\/<<\/span>filename<\/span>><\/span>.<\/span>parquet<\/span>);<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 \u524d\u51e0\u5929\uff0c\u6211\u53d1\u5e03\u4e86\u4ee5\u4e0b\u7684\u6587\u7ae0\u3002   \u5b66\u4e60\u65b0\u7684\u7f16\u7a0b\u8bed\u8a00\uff08\u7684\u8303\u5f0f\uff09\u662f\u4e00\u4ef6\u7279\u522b\u6709\u8da3\u7684\u4e8b\u60c5\u3002\u65e0\u8bba\u4f55\u65f6\u63a5\u89e6 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50325","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u7279\u5f81\u5f15\u64ceKaskada\u4e0e\u5916\u90e8\u7cfb\u7edf\u7684\u96c6\u6210\u548c\u6570\u636e\u8f93\u51fa - Blog - Silicon Cloud<\/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:\/\/www.silicloud.com\/zh\/blog\/\u7279\u5f81\u5f15\u64cekaskada\u4e0e\u5916\u90e8\u7cfb\u7edf\u7684\u96c6\u6210\u548c\u6570\u636e\u8f93\u51fa\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7279\u5f81\u5f15\u64ceKaskada\u4e0e\u5916\u90e8\u7cfb\u7edf\u7684\u96c6\u6210\u548c\u6570\u636e\u8f93\u51fa\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u524d\u51e0\u5929\uff0c\u6211\u53d1\u5e03\u4e86\u4ee5\u4e0b\u7684\u6587\u7ae0\u3002   \u5b66\u4e60\u65b0\u7684\u7f16\u7a0b\u8bed\u8a00\uff08\u7684\u8303\u5f0f\uff09\u662f\u4e00\u4ef6\u7279\u522b\u6709\u8da3\u7684\u4e8b\u60c5\u3002\u65e0\u8bba\u4f55\u65f6\u63a5\u89e6 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7279\u5f81\u5f15\u64cekaskada\u4e0e\u5916\u90e8\u7cfb\u7edf\u7684\u96c6\u6210\u548c\u6570\u636e\u8f93\u51fa\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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