dylanzhou created SPARK-13183:
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Summary: Bytebuffers occupy a large amount of heap memory
Key: SPARK-13183
URL: https://issues.apache.org/jira/browse/SPARK-13183
Project: Spark
Issue Type: Bug
Affects Versions: 1.4.1
Reporter: dylanzhou
When I used sparkstreamimg and sparksql used, found that old gen increases very
fast and full GC is very frequent, running for a period of time will be out of
memory, after analysis of heap memory, found that there are a large number of
org. Apache. Spark. SQL. Columnar. ColumnBuilder [38] @ 0 xd022a0b8 object,
takes up 90% of the space, look at the source is HeapByteBuffer occupy, don't
know why these objects are not released, had been waiting for GC to recycle
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