IBM E02HMLL-I Implementation Guide - Page 295
Memory, checker, sleep, upper, threshold, percent, lower, Connector, pause
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miscellaneous properties using System Manager" on page 106. Do the following in the "Server Memory" pane of the "Misc" tab to configure the memory checker thread: 1. Set the Memory checker sleep time field to the interval of time for which the memory checker thread should sleep in between each operation. Set the Memory checker sleep time field to the value 0 (the default value) to disable the memory checker thread. 2. Set the Memory upper threshold percent field to the percentage of the total memory available to InterChange Server Express (specified by the CW_MEMORY_MAX parameter) which, when exceeded, should cause the memory checker thread to pause the connectors so that the connectors do not poll any new events until the memory usage drops beneath the upper threshold again. The default value is 90, meaning that the upper threshold is 90 percent of the total memory specified by the CW_MEMORY_MAX parameter. For example, if the CW_MEMORY_MAX parameter is set to 512 megabytes, then the upper threshold would be approximately 460 megabytes. 3. Set the Memory lower threshold percent field to the percentage of the total memory available to InterChange Server Express (specified by the CW_MEMORY_MAX parameter) which, when exceeded, should cause the memory checker thread to reduce the speed at which connectors deliver events to InterChange Server Express. The default value is 80, meaning that the lower threshold is 80 percent of the total memory specified by the CW_MEMORY_MAX parameter. For example, if the CW_MEMORY_MAX parameter is set to 512 megabytes, then the lower threshold would be approximately 410 megabytes. 4. Set the Connector pause time at threshold field to an amount of time (in minutes) that both specifies the maximum time for which the rate at which connectors deliver events to InterChange Server Express is reduced when the lower memory threshold is exceeded, and the minimum of time for which the connectors will remain paused when the upper memory threshold is exceeded. The default value is 5. Figure 91 on page 284 shows the "Misc" tab and the "Server Memory" properties used to configure the memory checker thread. Chapter 14. Performance tuning 283