{"id":185123,"date":"2020-11-02T07:04:15","date_gmt":"2020-11-01T23:04:15","guid":{"rendered":"http:\/\/4563.org\/?p=185123"},"modified":"2020-11-02T07:04:15","modified_gmt":"2020-11-01T23:04:15","slug":"%e5%a4%a7%e4%bd%ac%e4%bb%ac%ef%bc%8c%e8%bf%9b%e6%9d%a5%e5%b8%ae%e5%b8%ae%e5%bf%99hiveontez-%e6%89%a7%e8%a1%8c%e4%b8%80%e6%9d%a1%e8%af%ad%e5%8f%a5%e6%8a%a5%e9%94%99%e8%b2%8c%e4%bc%bc%e6%98%af","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=185123","title":{"rendered":"\u5927\u4f6c\u4eec\uff0c\u8fdb\u6765\u5e2e\u5e2e\u5fd9~~HiveOnTez \u6267\u884c\u4e00\u6761\u8bed\u53e5\u62a5\u9519\u8c8c\u4f3c\u662f\u5185\u5b58\u4e0d\u8db3\uff1f\u6709\u5565\u529e\u6cd5\u5417\u5927\u4f6c\u4eec"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u5927\u4f6c\u4eec\uff0c\u8fdb\u6765\u5e2e\u5e2e\u5fd9~~HiveOnTez \u6267\u884c\u4e00\u6761\u8bed\u53e5\u62a5\u9519\u8c8c\u4f3c\u662f\u5185\u5b58\u4e0d\u8db3\uff1f\u6709\u5565\u529e\u6cd5\u5417\u5927\u4f6c\u4eec               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span>  <span><i><\/i> 0<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u516d\u53f0\u673a\u5668\uff0c\u6bcf\u53f0 64G\uff0c\u5728 Hive \u6267\u884c\u4e00\u6761\u8bed\u53e5 select count(1) from table; \u8868\u6570\u636e\u5927\u7ea6 20 \u4ebf\u6761\u3002\u3002\u5b58\u50a8\u5927\u7ea6 2T\uff0c\u4e09\u526f\u672c\u662f 6T \u3002<\/p>\n<p>\u8fd9\u4e00\u6761\u8bed\u53e5 Hive \u76f4\u63a5\u62a5\u9519\u4e86\uff0c\u770b\u8d77\u6765\u662f\u8d44\u6e90\u4e0d\u8db3\u62a5\u7684\uff0c\u60f3\u95ee\u4e0b\u5927\u4f6c\u4eec\u6709\u6ca1\u6709\u89e3\u51b3\u529e\u6cd5\uff0chive \u6267\u884c sql\uff0c\u628a\u6570\u636e\u90fd\u653e\u5185\u5b58\u5417\uff1f\u6211\u5f97\u914d 2T \u7684\u5185\u5b58\uff1f\u80fd\u4e0d\u80fd\u4e00\u6279\u6279\u5904\u7406\uff0c\u8fd9\u4e5f\u592a\u6d88\u8017\u8d44\u6e90\u4e86\u3002\u3002\u800c\u4e14\u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u7684 count(1)\u3002\u3002<\/p>\n<p>\u62a5\u9519\u622a\u56fe\u5982\u4e0b<br \/> https:\/\/i.imgur.com\/IytKHjm.png <br \/> https:\/\/i.imgur.com\/vCrafEn.png <\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>0<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u4f6c\u4eec\uff0c\u8fdb\u6765\u5e2e\u5e2e\u5fd9~~HiveOn&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/185123"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=185123"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/185123\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=185123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=185123"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=185123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}