Uber Open Sources JVM Profiler for Tracing Distributed JVMs
Uber has released an open source distributed JVM profiler, simply called JVM Profiler, in late June. The profiler provides a Java Agent to collect various metrics and stacktraces for Hadoop/Spark JVM processes in a distributed way, for example, CPU/Memory/IO metrics. The Uber team built JVM Profiler to solve resource allocation issues that they had with Apache Spark, the popular framework for processing large data streams. Although the tool was built for Spark, it is applicable to any JVM-based service or application.
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