Workload playback for a system for performance testing of N-tiered computer systems using recording and playback of workloads
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United States of America Patent
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N/A
Issued Date -
Sep 11, 2003
app pub date -
Feb 21, 2003
filing date -
Feb 21, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A facility for playing back live workload data in a N-tiered computing system executing a group of application programs is described. The facility retrieves live workload data identifying a set of recorded requests and their arguments that have been received during an earlier recording period in a particular order by a specified application program among the group of application programs. The facility presents each request identified by the retrieved live workload data to the specified application with its arguments to play back the requests identified by the retrieved live workload. The played-back requests are presented in the same order as the recorded requests were received during the recording period and with the same arguments with which the recorded requests were received during the recording period. Such presentation preserves the semantic correctness of the application and preserves the performance accuracy of the N-tiered system in which the identified requests were received.
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