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HADOOP-19177
TestS3ACachingBlockManager fails intermittently in Yetus
S3A prefetching to support Vector IO
Use builder for prefetch CachingBlockManager
ITestS3APrefetchingCacheFiles teardown failure if setup() fails
S3ACachingInputStream.ensureCurrentBuffer(): lazy seek means all reads look like random IO
s3a prefetch LRU cache eviction metric
s3a prefetch read/write file operations should guard channel close
s3a large file prefetch tests are too slow, don't validate data
s3a prefetching to use split start/end options to limit prefetch range
S3A prefetching: switch to prefetching for chosen read policies
CachingBlockManager to use AtomicBoolean for closed flag
s3a prefetch cache blocks should be accessed by RW locks
Backport S3A prefetching stream to branch-3.3
Fix transient failure of ITestS3APrefetchingInputStream#testRandomReadLargeFile
assertion failure in ITestS3APrefetchingInputStream
s3a prefetching Executor should be closed
S3A Prefetch - SingleFilePerBlockCache to use LocalDirAllocator
ITestS3ACannedACLs failure; not in a span
ITestS3AFileSystemStatistic failure in prefetch feature branch
fs.s3a.prefetch.block.size to be read through longBytesOption
rebase feature/HADOOP-18028-s3a-prefetch to trunk
Implement readFully(long position, byte[] buffer, int offset, int length)
hadoop-aws maven build to add a prefetch profile to run all tests with prefetching
S3A prefetching: Error logging during reads
Update class names to be clear they belong to S3A prefetching
S3A prefetch - Implement LRU cache for SingleFilePerBlockCache
Review s3a prefetching input stream retry code; synchronization
Add in configuration option to enable prefetching
Tests in ITestS3AOpenCost are failing
Remove lower limit on s3a prefetching/caching block size
Rebase s3a prefetching feature branch on top of trunk
tests in ITestS3AInputStreamPerformance are failing
Use async drain threshold to decide b/w async and sync draining
stream warns Not all bytes were read from the S3ObjectInputStream when closed
Ensure S3A prefetching stream memory consumption scales
Collect IOStatistics during S3A prefetching
S3PrefetchingInputStream to support status probes when closed
Convert s3a prefetching to use JavaDoc for fields and enums
s3a prefetching to use SemaphoredDelegatingExecutor for submitting work
tune logging of prefetch problems
s3a prefetching stream to support unbuffer()
S3File to store reference to active S3Object in a field.
move org.apache.hadoop.fs.common package into hadoop-common module
Remove use of scala jar twitter util-core with java futures in S3A prefetching stream
document use and architecture design of prefetching s3a input stream
s3a prefetching stream to move off twitter FuturePool
test failures with prefetching s3a input stream