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https://issues.jboss.org/browse/TEIID-1706?page=com.atlassian.jira.plugin...
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Steven Hawkins resolved TEIID-1706.
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Resolution: Done
Join planning was allowed to convert the bushy tree into a linear tree with a nested table
join at the top. This forced a reevaluation of one of the nested tables for each row.
Changed planning to be more selective in reordering.
JOIN between two text file data sources extremely slow
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Key: TEIID-1706
URL:
https://issues.jboss.org/browse/TEIID-1706
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 7.1
Reporter: Marc Shirley
Assignee: Steven Hawkins
Fix For: 7.4.1, 7.5
JOIN between two text files sources is extremely slow. Testing with 5MB files with around
35000 rows in each file resulted in a result set generation rate of about 100 rows/minute.
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