sivabalan narayanan created HUDI-6420:
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Summary: Fixing on-demand look up in hfile reader
Key: HUDI-6420
URL: https://issues.apache.org/jira/browse/HUDI-6420
Project: Apache Hudi
Issue Type: Bug
Components: metadata
Reporter: sivabalan narayanan
Looks like we are using seekTo() api in HfileScanner to seek to the key of
interest. But under the hood, once the key is matched, the cursor is rewinded
back to the starting of the data block.
Ref:
[https://github.com/apache/hbase/blob/cf02edbb1cea37a9a1cc4a64ff50f77a86955e5c/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileScanner.java#L51]
So, we want to fix the on-demand use-case to use reseek() apis which will leave
the cursor as is.
https://github.com/apache/hbase/blob/cf02edbb1cea37a9a1cc4a64ff50f77a86955e5c/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileScanner.java#L66
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