Hi all. If there are no further questions, we will start a vote on FLIP-375 next week.
Best regards, Yu Chen Yu Chen <yuchen.e...@gmail.com> 于2023年10月9日周一 17:24写道： > Hi all, > > Yun Tang and I are opening this thread to discuss our proposal to > integrate async-profiler's capabilities for profiling taskmananger (e.g., > generating flame graphs) in the Flink Web [1]. > > > Currently, Flink provides ThreadDump and Operator-Level Flame Graphs by > sampling task threads. The results generated in such way missing the > relevant stack of java threads and system calls. The async-profiler[2] is a > low-overhead sampling profiler for Java, but the steps to use it in the > production environment are cumbersome and suffer from permissions and > security risks. > > Therefore, we propose adding rest APIs to provide the capability to invoke > async-profiler on multiple platforms through JNI, which can be easily > operated on Web UI. This enhancement will improve the efficiency and > experience of Flink users in identifying performance bottlenecks. > > > > Please refer to the FLIP document for more details about the proposed design > and implementation. We welcome any feedback and opinions on this proposal. > > > > [1] FLIP-375: Built-in cross-platform powerful java profiler on > taskmanagers - Apache Flink - Apache Software Foundation > <https://cwiki.apache.org/confluence/display/FLINK/FLIP-375%3A+Built-in+cross-platform+powerful+java+profiler+on+taskmanagers> > > [2] GitHub - async-profiler/async-profiler: Sampling CPU and HEAP > profiler for Java featuring AsyncGetCallTrace + perf_events > <https://github.com/async-profiler/async-profiler> > > > > Best regards, > > Yun Tang and Yu Chen >
