{"id":47597,"date":"2023-12-11T15:12:21","date_gmt":"2023-12-11T07:12:21","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=47597"},"modified":"2023-12-11T15:12:21","modified_gmt":"2023-12-11T07:12:21","slug":"spark%e5%b7%a5%e4%bd%9c%e6%9c%ba%e5%88%b6%ef%bc%9f-4","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/spark%e5%b7%a5%e4%bd%9c%e6%9c%ba%e5%88%b6%ef%bc%9f-4\/","title":{"rendered":"spark\u5de5\u4f5c\u673a\u5236\uff1f"},"content":{"rendered":"<p>&#8220;`&#8221;<\/p>\n<p> \u7528\u6237\u5728client\u7aef\u63d0\u4ea4\u4f5c\u4e1a\u540e\uff0c\u4f1a\u7531Driver\u8fd0\u884cmain\u65b9\u6cd5\u5e76\u521b\u5efaspark context\u4e0a\u4e0b\u6587\u3002<br \/>\n \u6267\u884cadd\u7b97\u5b50\uff0c\u5f62\u6210dag\u56fe\u8f93\u5165dagscheduler\uff0c\u6309\u7167add\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u5212\u5206stage\u8f93\u5165task scheduler\u3002<br \/>\n task scheduler\u4f1a\u5c06stage\u5212\u5206\u4e3atask set\u5206\u53d1\u5230\u5404\u4e2a\u8282\u70b9\u7684executor\u4e2d\u6267\u884c\u3002<\/p>\n<p>spark\u7684\u4f18\u5316\u600e\u4e48\u505a\uff1f<br \/>\n \u901a\u8fc7spark-env\u6587\u4ef6\u3001\u7a0b\u5e8f\u4e2dsparkconf\u548cset property\u8bbe\u7f6e\u3002<br \/>\n \uff081\uff09\u8ba1\u7b97\u91cf\u5927\uff0c\u5f62\u6210\u7684lineage\u8fc7\u5927\u5e94\u8be5\u7ed9\u5df2\u7ecf\u7f13\u5b58\u4e86\u7684rdd\u6dfb\u52a0checkpoint\uff0c\u4ee5\u51cf\u5c11\u5bb9\u9519\u5e26\u6765\u7684\u5f00\u9500\u3002<br \/>\n \uff082\uff09\u5c0f\u5206\u533a\u5408\u5e76\uff0c\u8fc7\u5c0f\u7684\u5206\u533a\u9020\u6210\u8fc7\u591a\u7684\u5207\u6362\u4efb\u52a1\u5f00\u9500\uff0c\u4f7f\u7528repartition\u3002<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>&lt;pre&gt;&lt;code&gt;            &quot;&#8220;`<br \/>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;`&#8221; \u7528\u6237\u5728client\u7aef\u63d0\u4ea4\u4f5c\u4e1a\u540e\uff0c\u4f1a\u7531Driver\u8fd0\u884cmain\u65b9\u6cd5\u5e76\u521b\u5efaspar [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-47597","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=47597"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47597\/revisions"}],"predecessor-version":[{"id":47598,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47597\/revisions\/47598"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=47597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=47597"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=47597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}