Support flush in HDFS
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Key: HDFS-896
URL: https://issues.apache.org/jira/browse/HDFS-896
Project: Hadoop HDFS
Issue Type: New Feature
Components: hdfs client
Affects Versions: 0.22.0
Reporter: Hairong Kuang
Assignee: Hairong Kuang
Fix For: 0.22.0
HADOOP=6313 describes three flush APIs. This jira aims to support API1 in HDFS:
API1: flushes out from the address space of client into the socket to the data
nodes. On the return of the call there is no guarantee that that data is out of
the underlying node and no guarantee of having reached a DN. New readers will
eventually see this data if there are no failures.
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