mbao commented on issue #2271: Improve OAP cluster performance URL: https://github.com/apache/incubator-skywalking/pull/2271#issuecomment-477856006 > In these days tests, by my back to back works with @hanahmily , we made big progresses in > > 1. Reduce CPU cost in low payload > 2. Improve single node in 8U(GCP) performance to 80k telemetry per second. > > But we still need to work on improving performance in cluster mode and when scale out. > > Right now, 3 nodes cluster has only the same performance as a single node, also scaling out from 1 to 3 doesn't make performance better. > > In this pull request, I do following changes > > 1. Remove the codes about sending to L2 in every 1000 indicator rows. > 2. Make L2 send based on the timeline, send every second by default. > 3. Settings related to DataCarrier channel and buffer sizes could be set by System env. > > Let's see the test results. Do you mean single node can handle as much segment as a cluster of three nodes? I have a cluster of two nodes, when there is only one node, CPM value is the same as grep count from access count, but when I add one node, CPM is smaller than the count.
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