{"action":"created","issue":{"url":"https://api.github.com/repos/alibaba/DataX/issues/43","repository_url":"https://api.github.com/repos/alibaba/DataX","labels_url":"https://api.github.com/repos/alibaba/DataX/issues/43/labels{/name}","comments_url":"https://api.github.com/repos/alibaba/DataX/issues/43/comments","events_url":"https://api.github.com/repos/alibaba/DataX/issues/43/events","html_url":"https://github.com/alibaba/DataX/issues/43","id":156670467,"number":43,"title":"OracleWriter并发效率问题","user":{"login":"buptxuruhong102","id":4150242,"avatar_url":"https://avatars.githubusercontent.com/u/4150242?v=3","gravatar_id":"","url":"https://api.github.com/users/buptxuruhong102","html_url":"https://github.com/buptxuruhong102","followers_url":"https://api.github.com/users/buptxuruhong102/followers","following_url":"https://api.github.com/users/buptxuruhong102/following{/other_user}","gists_url":"https://api.github.com/users/buptxuruhong102/gists{/gist_id}","starred_url":"https://api.github.com/users/buptxuruhong102/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/buptxuruhong102/subscriptions","organizations_url":"https://api.github.com/users/buptxuruhong102/orgs","repos_url":"https://api.github.com/users/buptxuruhong102/repos","events_url":"https://api.github.com/users/buptxuruhong102/events{/privacy}","received_events_url":"https://api.github.com/users/buptxuruhong102/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-05-25T06:08:38Z","updated_at":"2016-05-26T12:58:57Z","closed_at":null,"body":"OracleWriter是使用JDBC实现, 有一个大表（千万到亿级别的）导入，reader模块按主键拆分成10个任务查询，writer也对应10个任务往目标表 insert ，但数据库insert是锁表的，同时只能一个线程写表,我自己测试效率和一个线程读写相差不大。以前好像有从客户端load方式导入数据的实现，现在是否还有其他方式？"},"comment":{"url":"https://api.github.com/repos/alibaba/DataX/issues/comments/221863364","html_url":"https://github.com/alibaba/DataX/issues/43#issuecomment-221863364","issue_url":"https://api.github.com/repos/alibaba/DataX/issues/43","id":221863364,"user":{"login":"binaryWorld","id":6221700,"avatar_url":"https://avatars.githubusercontent.com/u/6221700?v=3","gravatar_id":"","url":"https://api.github.com/users/binaryWorld","html_url":"https://github.com/binaryWorld","followers_url":"https://api.github.com/users/binaryWorld/followers","following_url":"https://api.github.com/users/binaryWorld/following{/other_user}","gists_url":"https://api.github.com/users/binaryWorld/gists{/gist_id}","starred_url":"https://api.github.com/users/binaryWorld/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/binaryWorld/subscriptions","organizations_url":"https://api.github.com/users/binaryWorld/orgs","repos_url":"https://api.github.com/users/binaryWorld/repos","events_url":"https://api.github.com/users/binaryWorld/events{/privacy}","received_events_url":"https://api.github.com/users/binaryWorld/received_events","type":"User","site_admin":false},"created_at":"2016-05-26T12:58:57Z","updated_at":"2016-05-26T12:58:57Z","body":"开源版本中JDBC实现的，如果你的主键是数值类型，可以考虑配置where条件，同时起多个DataX任务，每个任务在配置多个切分。"}}
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