HDFS-16586. Purge FsDatasetAsyncDiskService threadgroup; it causes BP…#4338

Merged

saintstack merged 2 commits intoapache:trunkfrom

saintstack:trunk.HDFS-16586

May 23, 2022

Commits on May 20, 2022

HDFS-16586. Purge FsDatasetAsyncDiskService threadgroup; it causes BPServiceActor IllegalThreadStateException 'fatal exception and exit'
saintstack
committed

Commits on May 21, 2022

Non-change to trip another unit test run
saintstack
committed