Blog do projektu Open Source JavaHotel

poniedziałek, 20 sierpnia 2018

HortonWorks, Atlas and Hive integration not working

Problem
I installed HDP 2.6.5 and tried to enable Hive for Atlas. But no Hive action was reflected in Atlas. I doublechecked the configuration and found it correct. There were no error messages neither in Hive logs nor in Atlas logs. Also, it looked that Atlas Hive Hook was activated for every action but it did not land in Atlas dashboard.
018-08-20 18:39:56,696 INFO  [HiveServer2-Background-Pool: Thread-899]: log.PerfLogger (PerfLogger.java:PerfLogBegin(149)) -
2018-08-20 18:39:56,697 INFO  [HiveServer2-Background-Pool: Thread-899]: log.PerfLogger (PerfLogger.java:PerfLogEnd(177)) -
Solution
The solution was very simple and was related to Kafka. Atlas is using Kafka as the intermediate medium to push data into Atlas realm. I installed only single Kafka broker but configuration requires at least 3 Kafka brokers to create a quorum. After adding two lacking Kafka brokers the flow was unlocked and all current and pending request found their way to Atlas.

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