{"id":62766,"date":"2022-09-19T16:44:35","date_gmt":"2022-09-19T07:44:35","guid":{"rendered":"https:\/\/smilegate.ai\/?p=62766"},"modified":"2022-09-19T16:44:37","modified_gmt":"2022-09-19T07:44:37","slug":"feature-store-fully-managed-service-for-ml-feature","status":"publish","type":"post","link":"https:\/\/smilegate.ai\/cn\/2022\/09\/19\/feature-store-fully-managed-service-for-ml-feature\/","title":{"rendered":"Feature store: Fully managed service for ML Feature"},"content":{"rendered":"

[\ubd84\uc11d\uc9c0\ub2a5\uac1c\ubc1c\ud300 \uc784\ucc3d\ub300]<\/p>\n\n\n\n

What is Feature?<\/strong>
ML(Machine Learning) \uc740 \uacfc\uac70\uc758 \uc608\uc2dc \ub370\uc774\ud130\ub97c \ud559\uc2b5\ud55c \ubaa8\ub378\uc744 \uae30\ubc18\uc73c\ub85c \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130 \uc608\uce21\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.
ML \ubaa8\ub378 \ud559\uc2b5\uc5d0\uc11c \ud45c \ud615\ud0dc\uc758 2\ucc28\uc6d0 \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uc600\uc744 \ub54c \ud589\uc774 \uc608\uc2dc\uc774\uace0 \uc5f4\uc774 \ud574\ub2f9 \uc608\uc2dc\ub97c \uc124\uba85\ud558\ub294 \uc18d\uc131\uc73c\ub85c \uad6c\ubd84\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\uc774\ub54c \ud574\ub2f9 \uc18d\uc131\uc774 \ubc14\ub85c Feature \uc785\ub2c8\ub2e4.
What is Feature store?<\/strong>
Data scientist \ub294 \ubaa8\ub378 \ud559\uc2b5 \uc2dc\uc5d0 \ud544\uc694\ud55c Feature \ub97c \ub2e4\uc591\ud55c \uc6d0\ucc9c \ub370\uc774\ud130 \uc800\uc7a5\uc18c\uc5d0 \uc694\uccad\ud558\uace0, \ubaa8\ub378 \ucd94\ub860 \uc2dc\uc5d0\ub3c4 \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130\ub97c \uc608\uce21\ud55c \uacb0\uacfc\uc640 \ud559\uc2b5\uc5d0\uc11c \uc0ac\uc6a9\ud55c Feature \ub97c \uc870\ud569\ud558\uc5ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.
Feature store \ub294 \uc774\ub7ec\ud55c \ubaa8\ub378 \ud559\uc2b5 \ubc0f \ucd94\ub860 \uacfc\uc815\uc5d0\uc11c Feature \ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uad00\ub9ac\ud558\uac8c \ud574\uc8fc\ub294 \ubaa8\ub378\uacfc Feature \uac04\uc758 \uc778\ud130\ud398\uc774\uc2a4 \uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\"a
What is a Feature Store?<\/figcaption><\/figure><\/div>\n\n\n\n

Feature store \ub294 ML \ud559\uc2b5\uc744 \uc704\ud574 \ub370\uc774\ud130\uc5d0 \ub300\ud55c \ub3c4\uba54\uc778 \uc9c0\uc2dd\uc744 \ud65c\uc6a9\ud558\uc5ec Feature \ub97c \ub9cc\ub4e4\uc5b4\ub0b4\ub294 \uacfc\uc815(Feature engineering) \uacfc \ubaa8\ub378 \ud559\uc2b5 \ubc0f \ucd94\ub860 \ubd80\ubd84\uc744 \ubd84\ub9ac\ud558\uc5ec \uac01\uc790\uc758 \uc804\ubb38 \uc601\uc5ed\uc5d0 \ub354 \uc9d1\uc911\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\uace0, \uac01 \ubd80\ubd84\uc758 \uc7ac\uc0ac\uc6a9\uc131\uc744 \ub192\uc774\ub294 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

What are the features of Feature store?<\/strong>
– \ubaa8\ub4e0 \uc6d0\ucc9c \ub370\uc774\ud130 \uc800\uc7a5\uc18c\uc5d0\uc11c \ub370\uc774\ud130 \uc218\uc9d1:
Feature Store\ub294 Batch data(Data warehouse, data lake, database, …) \ub610\ub294 Streaming data(Kafka, Kinesis, PubSub, …) \ub97c \uc218\uc9d1 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
– Feature \uc800\uc7a5, \uce74\ud0c8\ub85c\uadf8 \uc791\uc131, \uac80\uc0c9 \ubc0f \uc7ac\uc0ac\uc6a9:
Feature store \ub294 \uc0ac\uc6a9\ud560 Feature group \uc744 \ud0dc\uae45 \ubc0f \uc778\ub371\uc2f1\ud558\uc5ec \uad00\ub9ac\ud574\uc90d\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ud559\uc2b5 \ub54c \uc0ac\uc6a9\ud55c Feature Group \uc744 \ud0dc\uadf8\ub97c \ud1b5\ud574 \ucd94\ub860 \uc2dc\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
– \ud2b9\uc131 \uc77c\uad00\uc131 \ubcf4\uc7a5:
\ud6c8\ub828 \ub370\uc774\ud130\uc640 \ucd94\ub860\uc744 \uc704\ud55c \ub370\uc774\ud130 \uc0ac\uc774\uc758 \uc77c\uad00\uc131 \uc720\uc9c0\ub97c \uc704\ud574 \uc218\uc815\ub418\ub294 \ub370\uc774\ud130 \ub610\ud55c \uc800\uc7a5 \ubc0f \ubc84\uc804 \uad00\ub9ac\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

What are the disadvantages of Feature store?<\/strong>
– ML modeling \ucd08\uae30 \ub2e8\uacc4\uc5d0\uc11c \uc0ac\uc6a9\ud560 Feature \uc640 Model \uc774 \ubaa8\ub378\uc774 \uc815\ud574\uc9c0\uc9c0 \uc54a\uc740 \uacbd\uc6b0 \ub9ce\uc740 Feature group \uc744 \uad00\ub9ac\ud558\ub294 \uac83\uc740 \uc791\uc5c5\uc744 \ube44\ud6a8\uc728\uc801\uc73c\ub85c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
– Feature store \ub294 \uc8fc\ub85c \ud45c \ud615\ud0dc\uc758 \uc815\ud615 \ub370\uc774\ud130\ub97c \ub300\uc0c1\uc73c\ub85c \uc124\uacc4\ub418\uc5c8\uae30\uc5d0 \ube44\uc815\ud615 \ub370\uc774\ud130\ub294 \uc77c\ubc18\uc801\uc778 \ub370\uc774\ud130 \uc800\uc7a5\uc18c\ub97c \uc4f0\ub294 \uac8c \ub098\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

What are the use cases of Feature store?<\/strong>
\uacb0\ub860\uc801\uc73c\ub85c Feature store \ub294 ML \uae30\ubc18 \uc11c\ube44\uc2a4 \uc81c\uacf5 \uc2dc ML \ubaa8\ub378 \ucd94\ub860 \uacb0\uacfc\uc640 \ud574\ub2f9 ML \ubaa8\ub378\uc758 \ud559\uc2b5 \ub370\uc774\ud130 \ud568\uaed8 \uc0ac\uc6a9\ud560 \uacbd\uc6b0 \uc720\ub9ac\ud569\ub2c8\ub2e4.
\uc608\uc2dc\ub85c\ub294 \uc544\ub798\uc640 \uac19\uc740 \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4.
– \uacfc\uac70 \uc0ac\uc6a9\uc790 \uae30\ub85d \ubc0f \ucf58\ud150\uce20 \uc120\ud638\ub3c4\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \uac1c\uc778\ud654 \uc11c\ube44\uc2a4
– \uacfc\uac70 \uc0ac\ub840\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \uc0ac\uae30 \ud0d0\uc9c0 \uc11c\ube44\uc2a4<\/p>\n\n\n\n

\ud604\uc7ac Feature store \ub294 \ub2e4\uc591\ud55c \ud50c\ub7ab\ud3fc\uc5d0\uc11c \uc81c\uacf5\ub418\uace0 \uc788\uc73c\uba70 open source \ud615\ud0dc\ub85c\ub3c4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n