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My Client has following situation: one AS/400 model 720 as backend server to service 4 frontend AS/400 270 with Data queue to transfer data from frontend to backend. The backend had 80~90% disk busy, but the CPU Utilization usage only 20~30% on peak time for data receiving from forntend. The situation drivened the system tempary hanged for interactive job. When lower data transfer load, the system CPU utilization usage always 100% and Disk busy also 80~90% for interactive job. So the lower data transfer load is normal. Why heavy data transfer load from frontend drivened the Disk IO Bound and downing the system throughput ? Which system job handle the receiving data queue data from another AS/400 ? How do I solve this condition ? Best Regards, Vengoal Chang ±i¯Â»È Technical Support Dimerco Data System Corporation Office Phone : 02-2511-7233 Ext.553 Office Fax : 02-2511-7237 , 02-2511-7238 Office mail : vengoal@ddsc.com.tw Cellular Phone : 0922809196 Web site: http://www.geocities.com/vengoal/ AS/400 ePaper : http://maillist.to/ms1813
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