Business code would only write four years of development, the distributed high concurrency also can't be a programmer? ->>


The Total jobs=1
Launching Job 1 out of 1
In order to change the business, the load for a reducer (In bytes) :
Set hive. The exec. Reducers) bytes) per. Reducer=& lt; Number>
In order to limit the maximum number of reducers:
The set hive. The exec. Reducers. Max=& lt; Number>
In order to set a constant number of reducers:
The set graphs. Job. Reduces=& lt; Number>
FAILED: Execution Error, return code 30041 from org). Apache hadoop. Hive. Ql. Exec. Spark. SparkTask. FAILED to create the spark client for spark a9c session 25449-954 - c - 4860 - a0f8-8 a625e7826d7: Java. Util. Concurrent. TimeoutException: client 'a9c 25449-954 - c - 4860 - a0f8-8 a625e7826d7' timed out waiting for the connection from the Remote spark Driver

CodePudding user response:

Ah I also appeared this problem