RPO: Runtime Web Server Optimization Under Simultaneous Multithreading

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Provided by: University of Calcutta
Topic: Data Centers
Format: WORD
Multicore architectures commonly feature Simultaneous Multi-Threading (SMT), a hardware technology to improve the performance of multi-threaded applications, such as web servers. By studying a TPC-W testbed the authors observe that the performance of SMT for a multi-tier application strongly depends on the workload mix in execution in the system, thus prompting the need for smart management policies to decide when to enable or disable SMT. To tackle this problem, they propose the Runtime SMT Performance Optimizer (RPO), a module for the Apache web server that automates SMT activation and deactivation at runtime.
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