Yida Wu created IMPALA-10508:
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Summary: Add metrics for reading from remote scratch paths
Key: IMPALA-10508
URL: https://issues.apache.org/jira/browse/IMPALA-10508
Project: IMPALA
Issue Type: Improvement
Reporter: Yida Wu
For reading data from a remote scratch path, the data can be fetched from the
local buffer if the file hasn't been uploaded yet, or fetched from remote
filesystem.
The metrics can help to identify how much data is read from the local buffer,
how much is from the remote filesystem.
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