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  1. Hadoop Common
  2. HADOOP-18067 Über-jira: S3A Hadoop 3.3.5 features
  3. HADOOP-18410

S3AInputStream.unbuffer() async drain not releasing http connections

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      Impala tcp-ds setup to s3 is hitting problems with timeout fetching http connections from the s3a fs pool. Disabling s3a async drain makes this problem go away. assumption, either those async ops are blocking, or they are not releasing references properly.

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              stevel@apache.org Steve Loughran
              stevel@apache.org Steve Loughran
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