Hi Zhijiang, Because I want to know the current and the trend of backpressure status in Flink Job. Like other index such as latency, I can monitor it, and show it in graph by getting data from metric. Now using the metric to get the backpressure data is the simplest way I can think.
Best Henry > 在 2019年4月15日,上午10:34,zhijiang <wangzhijiang...@aliyun.com> 写道: > > Hi Henry, > > The backpressure tracking is not realized in metric framework, you could > check the details via [1]. I am not sure why your requirements is showing > backpressure in metrics. > > [1] > https://ci.apache.org/projects/flink/flink-docs-release-1.8/monitoring/back_pressure.html > > Best, > Zhijiang > > ------------------------------------------------------------------ > From:徐涛 <happydexu...@gmail.com> > Send Time:2019年4月15日(星期一) 10:19 > To:user <user@flink.apache.org> > Subject:Can back pressure data be gathered by Flink metric system? > > Hi Experts, > From the page Flink metric > system(https://ci.apache.org/projects/flink/flink-docs-release-1.8/monitoring/metrics.html#system-metrics > > <https://ci.apache.org/projects/flink/flink-docs-release-1.8/monitoring/metrics.html#system-metrics>), > I do not find the info about the back pressure. I want to get the > backpressure data and plot it, but I do not know how to get it via metric. > Can anybody help me about it? Thanks a lot. > > Best > Henry >