Michał Woźniak created JENA-1414:
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Summary: Performance regression in Model.remove(Model m) method
Key: JENA-1414
URL: https://issues.apache.org/jira/browse/JENA-1414
Project: Apache Jena
Issue Type: Bug
Components: Core
Affects Versions: Jena 3.4.0, Jena 3.3.0
Reporter: Michał Woźniak
The Model.remove(Model) works very slow on large models, as it propagates to
GraphUtil.deleteFrom(Graph, Graph), which computes size of the target graph by
iterating over all triples. This computation takes nearly 100% of the time of
the Model.remove(Model) operation.
It seems this commit introduced the issue:
https://github.com/apache/jena/commit/781895ce64e062c7f2268a78189a777c39b92844#diff-fbb4d11dc804464f94c27e33e11b18e8
Due to this bug deletion of a concept scheme on a large ontology may take
several minutes.
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