Additional fix for issue 3964: enable high priority check-pointer by defaul...

matthew_swift

04.08.2009 823cfa622f7e2c2a85c38c6a43946b328092d11b

Additional fix for issue 3964: enable high priority check-pointer by default for more robust out of the box performance.

 opends/src/server/org/opends/server/backends/jeb/ConfigurableEnvironment.java

@@ -411,6 +411,13 @@
    // they are instead renamed from .jdb to .del.
    envConfig.setConfigParam("je.cleaner.expunge", "true");

    // Under heavy write load the check point can fall behind causing
    // uncontrolled DB growth over time. This parameter makes the out of
    // the box configuration more robust at the cost of a slight
    // reduction in maximum write throughput. Experiments have shown
    // that response time predictability is not impacted negatively.
    envConfig.setConfigParam("je.checkpointer.highPriority", "true");

    // If the JVM is reasonably large then we can safely default to
    // bigger read buffers. This will result in more scalable checkpointer
    // and cleaner performance.