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https://issues.apache.org/jira/browse/HADOOP-9196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13558169#comment-13558169
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Surenkumar Nihalani commented on HADOOP-9196:
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James, Turns out the internal variable in {{BitSet}} is private and not
protected. So, I can't have access to it in a child class.
Do you think it's acceptable to copy paste implementation of {{BitSet}} from
JDK into another class for Hadoop Common?
I know it's violates open/close principle but the nature of your benchmark's
statistics suggests it should be worth it.
What do you think?
> Modify BloomFilter read() and write() to address memory concerns
> ----------------------------------------------------------------
>
> Key: HADOOP-9196
> URL: https://issues.apache.org/jira/browse/HADOOP-9196
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: James
> Priority: Minor
>
> It appears that org.apache.hadoop.util.bloom.BloomFilter's write() method
> creates a byte array large enough to fit the entire bit vector into memory
> during serialization. This is unnecessary and may cause out of memory issues
> if the bit vector is sufficiently large and memory is tight.
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