Concept 25 Datanode and Heartbeat

array(10) { [0]=> object(stdClass)#4289 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "ejp9s0FxYqw" ["related_video_title"]=> string(41) "Concept 26 Data Rebalancing and Integrity" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(15) "Anuradha Bhatia" } [1]=> object(stdClass)#4262 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "d_dT2mOu99s" ["related_video_title"]=> string(17) "HDFS Architecture" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(12) "Sumit Mittal" } [2]=> object(stdClass)#4287 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "aReuLtY0YMI" ["related_video_title"]=> string(94) "Hadoop In 5 Minutes | What Is Hadoop? | Introduction To Hadoop | Hadoop Explained |Simplilearn" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(11) "Simplilearn" } [3]=> object(stdClass)#4294 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "jimIhsZvf2M" ["related_video_title"]=> string(41) "MIS Business Intelligence Decision Making" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(15) "Anuradha Bhatia" } [4]=> object(stdClass)#4273 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "gXJMiDaLIP8" ["related_video_title"]=> string(84) "Introduction to Apache zookeeper | How apache zookeeper helps in distributed systems" ["posted_time"]=> string(21) "2 года назад" ["channelName"]=> string(23) "Better Dev with Anubhav" } [5]=> object(stdClass)#4291 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "8EN0KL6zZ4Q" ["related_video_title"]=> string(27) "MIS Data Warehouse Overview" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(15) "Anuradha Bhatia" } [6]=> object(stdClass)#4286 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "KqaPMCMHH4g" ["related_video_title"]=> string(96) "YARN Tutorial | YARN Architecture | Hadoop Tutorial For Beginners | YARN In Hadoop | Simplilearn" ["posted_time"]=> string(19) "7 лет назад" ["channelName"]=> string(11) "Simplilearn" } [7]=> object(stdClass)#4296 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "blWdjRUPP6E" ["related_video_title"]=> string(72) "Разведчик о том, как использовать людей" ["posted_time"]=> string(25) "2 недели назад" ["channelName"]=> string(18) "Коллектив" } [8]=> object(stdClass)#4272 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "vQoosZBiFKo" ["related_video_title"]=> string(152) "🔴Точка СРЫВА скоро... Киев ПОДЕЛЯТ по Днепру? Арестович. Зеленскому больше не верят" ["posted_time"]=> string(23) "5 часов назад" ["channelName"]=> string(28) "ШЕЛЕСТ. Акценты" } [9]=> object(stdClass)#4290 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "BQXyCLA6HCQ" ["related_video_title"]=> string(83) "What Is HDFS In Hadoop | HDFS Algorithm | HDFS Architecture In Hadoop | Intellipaat" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(11) "Intellipaat" } }