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From MiƂosz Tylenda <mtyle...@o2.pl>
Subject Test suite slow on DB2
Date Wed, 24 Sep 2008 17:43:28 GMT
Hello!

When I run the OpenJPA test suite on DB2, it takes much more time to complete than with other
databases. The DB2 process hogs the CPU during the test. A quite default installation of DB2
9.1 Express-C runs on the same Linux (2.6.18-1.2798.fc6) laptop as OpenJPA 1.3.0-SNAPSHOT.
Does anybody have a clue what is the reason? Can it be related to the number of open connections
or schema generation?

A log snippet follows.

Running org.apache.openjpa.persistence.jdbc.meta.TestEJBCustomMapping
3  TestConv  INFO   [main] openjpa.Runtime - Starting OpenJPA 1.3.0-SNAPSHOT
3499  TestConv  INFO   [main] openjpa.jdbc.JDBC - Using dictionary class "org.apache.openjpa.jdbc.sql.DB2Dictionary"
(DB2/LIN
UX SQL09010 ,IBM DB2 JDBC Universal Driver Architecture 3.1.57).
3917  TestConv  WARN   [main] openjpa.MetaData - OpenJPA cannot map field "org.apache.openjpa.persistence.jdbc.common.apps.Co
nstantJoinPC4.manyToMany" efficiently.  It is of an unsupported type. The field value will
be serialized to a BLOB by default
.
0  TestConv  INFO   [main] openjpa.Runtime - Starting OpenJPA 1.3.0-SNAPSHOT
2800  TestConv  INFO   [main] openjpa.jdbc.JDBC - Using dictionary class "org.apache.openjpa.jdbc.sql.DB2Dictionary"
(DB2/LIN
UX SQL09010 ,IBM DB2 JDBC Universal Driver Architecture 3.1.57).
2844  TestConv  WARN   [main] openjpa.MetaData - OpenJPA cannot map field "org.apache.openjpa.persistence.jdbc.common.apps.Co
nstantJoinPC4.manyToMany" efficiently.  It is of an unsupported type. The field value will
be serialized to a BLOB by default
.
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 46.161 sec

Regards,
Milosz


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