[{"itemType":"chapter","number":"1","published_number":0,"title":"\u7b2c\u4e00\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2700302","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"1","published_number":"1","title":"\u4e0a\u9636\u6bb5\u8003\u6838\u901a\u8fc7\u5361\u70b9","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132744","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"\u8d44\u6599\u6587\u6863\u4e0b\u8f7d","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132745","isOptional":"0","type":"text","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"HDFS01-\u7b97\u6cd5\u590d\u6742\u5ea6\u8bb2\u89e3.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132746","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"25:00","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"HDFS02-\u5341\u5927\u6392\u5e8f\u7b97\u6cd5\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u548c\u7a7a\u95f4\u590d\u6742\u5ea6.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132747","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:23","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"HDFS03-\u5341\u5927\u6392\u5e8f\u7b97\u6cd5\u4e4b\u5192\u6ce1\u9009\u62e9\u63d2\u5165.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132748","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"HDFS04-\u5341\u5927\u6392\u5e8f\u7b97\u6cd5\u4e4b\u8c22\u5c14\u6392\u5e8f.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132749","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:56","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"HDFS05-\u5341\u5927\u6392\u5e8f\u7b97\u6cd5\u4e4b\u5feb\u901f\u6392\u5e8f.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132750","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:10","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"HDFS06-\u5341\u5927\u6392\u5e8f\u7b97\u6cd5\u4e4b\u5f52\u5e76\u6392\u5e8f.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132751","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"HDFS07-\u5341\u5927\u6392\u5e8f\u7b97\u6cd5\u4e4b\u8ba1\u6570\u6392\u5e8f.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132752","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:35","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"HDFS08-\u5341\u5927\u6392\u5e8f\u7b97\u6cd5\u4e4b\u6876\u6392\u5e8f.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132753","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:06","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"11","published_number":"11","title":"HDFS09-\u5341\u5927\u6392\u5e8f\u7b97\u6cd5\u4e4b\u57fa\u6570\u6392\u5e8f.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132754","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"HDFS10-\u5927\u6570\u636e\u601d\u7ef4\u4e4b1T\u6570\u636e\u7684\u67e5\u91cd\u4e0e\u6392\u5e8f.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132755","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:12","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"HDFS11-\u5927\u6570\u636e\u601d\u7ef4\u4e4b1T\u6570\u636e\u7684\u67e5\u91cd\u7684\u89e3\u51b3\u65b9\u6848.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132756","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"34:56","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"14","published_number":"14","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132757","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"2","published_number":0,"title":"\u7b2c\u4e8c\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2700303","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"15","published_number":"15","title":"HDFS12-\u5927\u6570\u636e\u601d\u7ef4\u4e4b1T\u6570\u636e\u7684\u6392\u5e8f\u7684\u89e3\u51b3\u65b9\u6848.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132758","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"HDFS13-\u5927\u6570\u636e\u5386\u53f2-\u6a21\u5757-\u751f\u6001\u5708\u4ecb\u7ecd.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132759","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:16","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"HDFS14-\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u67b6\u6784--\u6570\u7ec4-\u5207\u5206-\u504f\u79fb\u91cf-\u7b49\u5206128.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132760","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"HDFS15-\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u67b6\u6784--\u5b89\u5168-\u526f\u672c3.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132761","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:33","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"19","published_number":"19","title":"HDFS16-\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u67b6\u6784\u6570\u636e\u7ba1\u7406\u65b9\u5f0fNN-DN.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132762","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:57","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"20","published_number":"20","title":"HDFS17-\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u67b6\u6784\u4f18\u7f3a\u70b9.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132763","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:09","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"21","published_number":"21","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132764","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"3","published_number":0,"title":"\u7b2c\u4e09\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2700304","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"22","published_number":"22","title":"HDFS18-\u642d\u5efaHadoop\u5b8c\u5168\u5206\u5e03\u5f0f\u73af\u5883.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132765","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:28","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"23","published_number":"23","title":"HDFS19-Hadoop\u6587\u4ef6\u76ee\u5f55\u4e0eLiveNode\u6570\u91cf\u5173\u7cfb.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132766","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"24","published_number":"24","title":"HDFS20-Hadoop\u96c6\u7fa4\u7684\u4e0a\u4f20\u4e0b\u8f7d\u64cd\u4f5c.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132767","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:25","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"25","published_number":"25","title":"HDFS21-Hadoop\u96c6\u7fa4\u6587\u4ef6\u6570\u636e\u7c7b\u578b.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132768","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:09","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"26","published_number":"26","title":"HDFS22-\u8282\u70b9\u5206\u7c7b\u4e4bNameNode\u7684\u4f5c\u7528.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132769","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"27","published_number":"27","title":"HDFS23-\u5206\u5e03\u5f0f\u6587\u4ef6\u67b6\u6784\u56de\u987e.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132770","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:02","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"28","published_number":"28","title":"HDFS24-\u8282\u70b9\u5206\u7c7b\u4e4bNameNode\u7684\u4f5c\u7528.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132771","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:02","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"29","published_number":"29","title":"HDFS25-\u8282\u70b9\u5206\u7c7b\u4e4bDataNode\u7684\u4f5c\u7528.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132772","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:17","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"30","published_number":"30","title":"HDFS26-\u8282\u70b9\u5206\u7c7b\u4e4b\u5185\u5b58\u6570\u636e\u6301\u4e45\u5316\u4f20\u7edf\u89e3\u51b3\u65b9\u6848.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132773","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:46","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"31","published_number":"31","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132774","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"4","published_number":0,"title":"\u7b2c\u56db\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2700305","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"32","published_number":"32","title":"HDFS27-\u8282\u70b9\u5206\u7c7b\u4e4b\u5185\u5b58\u6570\u636e\u6301\u4e45\u5316SecondaryNameNode\u89e3\u51b3\u65b9\u6848.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132775","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:26","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"33","published_number":"33","title":"HDFS28-\u8282\u70b9\u5206\u7c7b\u4e4bSecondaryNameNode\u65e5\u5fd7\u5feb\u7167\u6587\u4ef6.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132776","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:28","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"34","published_number":"34","title":"HDFS29-\u8282\u70b9\u5206\u7c7b\u4e4bSecondaryNameNode\u751f\u6210\u65e5\u5fd7\u5408\u5e76\u5feb\u7167\u6d41\u7a0b.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132777","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"35","published_number":"35","title":"HDFS30-\u8282\u70b9\u5206\u7c7b\u4e4bSecondaryNameNode\u6062\u590d\u6570\u636e.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132778","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"36","published_number":"36","title":"HDFS31-HDFS\u96c6\u7fa4\u5b89\u5168\u6a21\u5f0f.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132779","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:18","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"37","published_number":"37","title":"HDFS32-HDFS\u96c6\u7fa4\u6587\u4ef6\u6743\u9650.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132780","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:39","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"38","published_number":"38","title":"HDFS33-HDFS\u96c6\u7fa4\u673a\u67b6\u611f\u77e5\u7b56\u7565.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132781","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:19","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"39","published_number":"39","title":"HDFS34-HDFS\u96c6\u7fa4\u5199\u5165\u6570\u636e\u7684\u5b8f\u89c2\u6d41\u7a0b.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132782","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"34:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"40","published_number":"40","title":"HDFS35-HDFS\u96c6\u7fa4\u5199\u5165\u6570\u636e\u7684\u5fae\u89c2\u6d41\u7a0b.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132783","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"38:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"41","published_number":"41","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132784","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"5","published_number":0,"title":"\u7b2c\u4e94\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2700306","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"42","published_number":"42","title":"HDFS36-HDFS\u96c6\u7fa4\u8bfb\u53d6\u6570\u636e\u7684\u6d41\u7a0b.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132785","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:47","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"43","published_number":"43","title":"HDFS37-Hadoop1.x\u7684\u56f0\u5883.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132786","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:05","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"44","published_number":"44","title":"HDFS38-Hadoop2.x\u7684\u8282\u70b9\u67b6\u6784.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132787","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:58","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"45","published_number":"45","title":"HDFS39-Hadoop2.x\u8282\u70b9\u4ecb\u7ecd\u4e4bANN\u548cSNN.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132788","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"46","published_number":"46","title":"HDFS40-Hadoop2.x\u8282\u70b9\u4ecb\u7ecd\u4e4bJournalNode.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132789","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"47","published_number":"47","title":"HDFS41-Hadoop2.x\u8282\u70b9\u4ecb\u7ecd\u4e4bDataNode.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132790","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"48","published_number":"48","title":"HDFS42-Hadoop2.x\u8282\u70b9\u4ecb\u7ecd\u4e4bZKFC\u7ec4\u6210\u4ecb\u7ecd.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132791","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"49","published_number":"49","title":"HDFS43-Hadoop2.x\u8282\u70b9\u4ecb\u7ecd\u4e4bZKFC\u4e3b\u5907\u9009\u4e3e\u6d41\u7a0b.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132792","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:48","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"50","published_number":"50","title":"HDFS44-Hadoop2.x\u8282\u70b9\u4ecb\u7ecd\u4e4bZookeeper.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132793","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:33","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"51","published_number":"51","title":"HDFS45-Hadoop2.xHA\u65b0\u95ee\u9898\u8111\u88c2\u6210\u56e0\u4e0e\u89e3\u51b3\u529e\u6cd5.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132794","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:18","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"52","published_number":"52","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132795","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"6","published_number":0,"title":"\u7b2c\u516d\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2700307","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"53","published_number":"53","title":"HDFS46-Hadoop2.xFederation\u7684\u7531\u6765\u548c\u67b6\u6784.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132796","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"22:05","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"54","published_number":"54","title":"HDFS47-Hadoop2.x\u9ad8\u53ef\u7528\u96c6\u7fa4\u642d\u5efa.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132797","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"24:19","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"55","published_number":"55","title":"HDFS48-Hadoop2.x\u9ad8\u53ef\u7528\u96c6\u7fa4\u6d4b\u8bd5.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132798","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:33","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"56","published_number":"56","title":"HDFS49-Hadoop3.x\u65b0\u7279\u6027.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132799","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"57","published_number":"57","title":"HDFS50-Java\u4ee3\u7801\u8fde\u63a5Hadoop\u9ad8\u53ef\u7528\u96c6\u7fa4.mp4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132800","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:23","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"58","published_number":"58","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2132801","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true}]