Tsz Wo Nicholas Sze created HDFS-7321:
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Summary: Add a mechanism to clean up the free queue in
ByteArrayManager
Key: HDFS-7321
URL: https://issues.apache.org/jira/browse/HDFS-7321
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Tsz Wo Nicholas Sze
Assignee: Tsz Wo Nicholas Sze
Priority: Minor
ByteArrayManager is designed to limit the number of byte arrays allocated. It
also provide a mechanism for recycling arrays. It uses a free queue to store
the recycled arrays internally. When the free queue size is large and there is
no array allocation for a certain time period, it should gradually release the
arrays for reducing the memory usage.
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