Charles Givre created DRILL-7514:
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Summary: Modify Excel Format Plugin to use Streaming Reader
Key: DRILL-7514
URL: https://issues.apache.org/jira/browse/DRILL-7514
Project: Apache Drill
Issue Type: Improvement
Affects Versions: 1.17.0
Reporter: Charles Givre
Assignee: Charles Givre
Fix For: 1.18.0
Drill's Excel Format Plugin uses Apache POI to parse Excel files. While this
reader is effective in that it parses formulae and data types, it uses memory
inefficiently and will struggle to read very large Excel files.
The Excel Streaming Reader [1] in an extension for the POI which would enable
Drill to parse Excel files much more efficiently and greatly improve the
reader's performance.
[[1]:
https://github.com/monitorjbl/excel-streaming-reader|https://github.com/monitorjbl/excel-streaming-reader]
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