KunshangJi created ARROW-8168:
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Summary: Improve Java Plasma client off-heap memory usage
Key: ARROW-8168
URL: https://issues.apache.org/jira/browse/ARROW-8168
Project: Apache Arrow
Issue Type: Improvement
Components: Java
Reporter: KunshangJi
Fix For: 0.17.0
Currently, Plasma Java client API use byte[], which need copy memory from Java
on-heap to off-heap(mmap file). we can improve create() and get() method and
return a ByteBuffer or DirectByteBuffer to avoid unnecessary memory copy.
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