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Tuesday, December 17, 2019
Hive Architecture
Hive Architecture in One Image
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Hive Architecture
Hive Architecture in One Image
While running a Tez job, it fails with 'vertex failure' error
The error below is seen while a Hive query runs in TEZ execution mode: Logs: Vertex failed, vertexName=Reducer 34, vertexId=vertex_1424...
Some Spark Issues
1. Too many open files This issue(Too many open files) is fixed by setting ulimit to 10000 or there can be corrupted disks on...
NameNode HA fails over due to connection interruption with JournalNodes
Issue: Occasionally NameNode HA fails over due to network connection interruption with JournalNodes. The error message in NameNode log:...
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