[{"itemType":"task","number":"1","published_number":"1","title":"hadoop\u804c\u4f4d\u9700\u6c42\u72b6\u51b5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4685","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"hadoop\u8bfe\u7a0b\u5b89\u6392","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4686","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:46","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"hadoop\u5e94\u7528\u573a\u666f","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4687","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"32:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"hadoop\u5bf9\u6d77\u91cf\u6570\u636e\u5904\u7406\u7684\u89e3\u51b3\u601d\u8def","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4688","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"hadoop\u7248\u672c\u9009\u62e9\u548c\u4f2a\u5206\u5e03\u5f0f\u5b89\u88c5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4689","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"59:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"hadoop\u7248\u672c\u9009\u62e9\u548c\u4f2a\u5206\u5e03\u5f0f\u5b89\u88c5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4690","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:02:58","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"hdfs&mapreduce\u6d4b\u8bd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4691","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"hdfs\u7684\u5b9e\u73b0\u673a\u5236\u521d\u59cb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4692","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:06","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"hdfs\u7684shell\u64cd\u4f5c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4693","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"25:57","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"hadoop\u96c6\u7fa4\u642d\u5efa\u7684\u65e0\u5bc6\u767b\u9646\u914d\u7f6e","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4694","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"11","published_number":"11","title":"NN\u5143\u6570\u636e\u7ba1\u7406\u673a\u5236","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4695","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"54:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"NN\u5de5\u4f5c\u673a\u52362","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4696","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"DN\u5de5\u4f5c\u539f\u7406","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4697","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"14","published_number":"14","title":"HDFS\u7684JAVA\u5ba2\u6237\u7aef\u7f16\u5199","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4698","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:03:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"15","published_number":"15","title":"filesystem\u8bbe\u8ba1\u601d\u60f3\u603b\u7ed3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4699","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"hadoop\u4e2d\u7684RPC\u6846\u67b6\u5b9e\u73b0\u673a\u5236","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4700","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"37:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"hadoop\u4e2d\u7684RPC\u5e94\u7528\u5b9e\u4f8bdemo","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4701","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"24:23","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"hdfs\u4e0b\u8f7d\u6570\u636e\u6e90\u7801\u8ddf\u8e2a\u94fa\u57ab","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4702","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:24","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"19","published_number":"19","title":"hdfs\u4e0b\u8f7d\u6570\u636e\u6e90\u7801\u5206\u6790","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4703","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:10","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"20","published_number":"20","title":"hdfs\u4e0b\u8f7d\u6570\u636e\u6e90\u7801\u5206\u6790","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4704","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"30:02","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"21","published_number":"21","title":"hdfs\u6e90\u7801\u8ddf\u8e2a\u4e4b\u6253\u5f00\u8f93\u5165\u6d41","result":"","resultStatus":"","lock":false,"status":"published","taskId":"4705","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"51:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true}]