hadoop file output 报 java.lang.OutOfMemoryError: Requested array size exceeds VM

Others 2022-04-28 13:06:09 views: 0

Use kettle to extract data from hive to hdfs, and report java.lang.OutOfMemoryError: Requested array size exceeds VM

The reason is that there are two fields in hive with a defined length of 2.1 billion, which exceeds the length of the jvm data. It is enough to reduce the length of these two fields.

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hadoop file output 报 java.lang.OutOfMemoryError: Requested array size exceeds VM

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