Steve Loughran created HADOOP-18218:
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Summary: make sure prefetching stream memory consumption scales
Key: HADOOP-18218
URL: https://issues.apache.org/jira/browse/HADOOP-18218
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Affects Versions: 3.3.4
Reporter: Steve Loughran
a recurrent problem in cloud store io is rrunning out of memory because blocks
are buffered in reads or writes.
we need to make sure thaw data/memory is used in the prefetch code such that it
works in processes with many worker threads (hive, spark....)
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