Mukund Thakur 1bc63365a5 HADOOP-18347. S3A Vectored IO to use bounded thread pool. (#4918)
part of HADOOP-18103.

Also introducing a config fs.s3a.vectored.active.ranged.reads
to configure the maximum number of number of range reads a
single input stream can have active (downloading, or queued)
to the central FileSystem instance's pool of queued operations.
This stops a single stream overloading the shared thread pool.

Contributed by: Mukund Thakur
 Conflicts:
	hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java
	hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java
2022-09-28 16:11:20 -05:00
2022-09-27 11:30:18 -05:00

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