Steve Loughran created HADOOP-13028:
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Summary: add counter and timer metrics for S3A operations
Key: HADOOP-13028
URL: https://issues.apache.org/jira/browse/HADOOP-13028
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3, metrics
Affects Versions: 2.8.0
Reporter: Steve Loughran
Priority: Minor
against S3 (and other object stores), opening connections can be expensive,
closing connections may be expensive (a sign of a regression).
S3A FS and individual input streams should have counters of the # of
open/close/failure+reconnect operations, timers of how long things take. This
can be used downstream to measure efficiency of the code (how often connections
are being made), connection reliability, etc.
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