JDBC PERFORMANCE

High Performance JDBC Jorg Janke Consultant and Coach [email_address]

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Timing Statistics

Shameless Self-Promotion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Compiere ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Agenda -- Persistence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Persistence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Persistence – Entity Bean CMP <enterprise-beans> <entity> <description>Models a music CD</description> <ejb-name>CDBean</ejb-name> <home>com.web_tomorrow.cd.CDHome</home> <remote>com.web_tomorrow.cd.CD</remote> <ejb-class>com.web_tomorrow.cd.CDBean</ejb-class> <persistence-type>Container</persistence-type> <prim-key-class> java.lang.String </prim-key-class> <reentrant>False</reentrant> <cmp-field><field-name> id </field-name></cmp-field> <cmp-field><field-name> title </field-name></cmp-field> <cmp-field><field-name> artist </field-name></cmp-field> <primkey-field> id </primkey-field> </entity> </entity-beans>

Persistence – JDO ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

JDBC Based Frameworks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],30 % of typical IT project: DB programming & persistence mgt

Agenda -- Performance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Don’t Design for Performance

Performance Rules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance Design Options ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DB Programming Options ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DB Programming Options ,[object Object],[object Object],[object Object],[object Object],[object Object]

Question: Is SQL a Standard?

DB Independence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DB Incompatibilities (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DB Incompatibilities (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DB Independence – cont. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oracle PG dbPort Application I am talking to Oracle DB/2 ?

Performance Reality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Test Environment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Testing DB Driver

Agenda -- JDBC ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Connecting ,[object Object],[object Object],[object Object],[object Object],[object Object]

JDBC Driver Types Type 4 Pure Java Type 3 Type 1 Type 2

Connecting .. Driver ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Connecting DriverManager ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Connecting .. Data Source ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Connection .. Pool ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Connection .. Cache ,[object Object],[object Object],[object Object],[object Object]

Multi-Thread ,[object Object],[object Object],[object Object],[object Object],[object Object]

Test Results (10 Threads) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Test Results ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Connection – Trx Level ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Connection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Querying ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Result - ResultSet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],No way to Cancel a Query

ResultSet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Result - RowSet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Client … RMI … no JDBC

Meta Data Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Connection - Query - Retrieve First Connection, (Query) & Retrieval took significantly longer – 4,800 records

Compiere JDBC Use ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],deterministic, optimistic locking

Performance Hints ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance Hints (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Resources (Selection) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Thanks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

JDBC PERFORMANCE

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JDBC PERFORMANCE