Sanjay Radia created HDFS-12952:
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Summary: Change OzoneFS's semtics to allow readers to see file
content while being written
Key: HDFS-12952
URL: https://issues.apache.org/jira/browse/HDFS-12952
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Sanjay Radia
Assignee: Anu Engineer
Currently Ozone KSM give visibility to a file only when the file is closed,
which is similar to S3 FS. OzoneFs should allow partial file visibility as a
file is being written to match HDFS.
Note this should be fairly straightforward because the block-container layer
maintains block length consistency as a block is being written even under
failures due to its use of Raft.
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