![]() The ganglia distributed monitoring system: design, implementation, and experience. Introduction to dynamic program analysis with DiSL. ShadowVM: Robust and comprehensive dynamic program analysis for the Java platform. DiSL: A Domain-specific Language for Bytecode Instrumentation. Multicore Profiling for Erlang Programs Using Percept2. The JVM is Not Observable Enough (and What to Do About It). Harmony: Collection and Analysis of Parallel Block Vectors. Savina - An Actor Benchmark Suite: Enabling Empirical Evaluation of Actor Libraries. A Universal Modular ACTOR Formalism for Artificial Intelligence. Visualising granularity in parallel programs: A graphical winnowing system for Haskell. IEEE Transactions on Parallel and Distributed Systems, 21(5):658–671, 2010. PowerPack: Energy Profiling and Analysis of High-Performance Systems and Applications. X-trace: A Pervasive Network Tracing Framework. Power and Energy Profiling of Scientific Applications on Distributed Systems. Speedup stacks: Identifying scaling bottlenecks in multi-threaded applications. Bottle Graphs: Visualizing Scalability Bottlenecks in Multi-threaded Applications. In International Workshop on Parallel Tools for High Performance Computing, pages 191–199, 2008. Percept - An Erlang Concurrency Profiling Tool. Load profiling in distributed real-time systems. Using Magpie for Request Extraction and Workload Modelling. Group Formation in Large Social Networks: Membership, Growth, and Evolution. ![]() ![]() Actors: A Model of Concurrent Computation in Distributed Systems. Any object becomes a candidate for garbage collection once all references to it are discarded. This is assessed by the Java Virtual Machine (JVM). How does garbage collection decide what memory to reclaim from the applications? A general rule is that a high-load system or a system with a small amount of memory encounters garbage collection often whereas a low-volume system or one with a large amount of memory runs garbage collection less frequently. When garbage collection runs depends on the system load. How often is garbage collection kicked off on a (CVP)/VXML server? Any of the profilers that assess VXML applications provide details into which data structures accumulate and do not release memory, which eventually leads to an OutOfMemory condition. There are several tools available for this, such as VisualVM, JProfiler, and Yourkit. What is the best way to monitor VXML application memory consumption? If you have followed the procedure in this document and the source of excessive memory usage cannot be found, contact developer services in order to review the application. Contact Developer Servicesīeyond these fixes, VXML application debugs should be handled by the VXML application developer because the Cisco Technical Assistance Center has limited resources to analyze the application flow involved. Refer to the Multiple Vulnerabilities in Cisco Unified Customer Voice Portal Software Security Advisory for more information. HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Apache Software Foundation\Procrun2.0\VXMLServer\ Add the "-XX:MaxPermSize=256M" registry key in order to increase the Virtual Memory PermSpace.HKLM\SOFTWARE\Apache Software Foundation\Procrun2.0\VXMLServer\ In order to increase the virtual memory in CVP Versions 8.5 and 9.0, complete these steps: In many cases, an increase of the virtual memory helps. When you run Customer Voice Portal (CVP) and come across an OutOfMemoryError message, refer to these steps for the workaround. LoadLocalClasses (AudiumServerConfiguration.java:1405)Īt .AudiumServerConfiguration.Ĭaused by: : PermGen space Solution ![]() : PermGen spaceĬom.: There was a problem loading There was a problem loading classes local to the application Exception in thread "Message Buffering Thread Error with adminĪpplication update,xx/xx/2013 xx:xx:xx.xxx, The error was: These snippets are seen in the VXML server application error logs. In some cases, the VXML Server/Tomcat crashes and displays an OutOfMemoryError message. ![]() This document describes the problem where the Voice XML (VXML) server runs out of memory and reports: : PermGen space Problem ![]()
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