wu-sheng commented on issue #845: add jdk-cross-thread-plugin URL: https://github.com/apache/incubator-skywalking/pull/845#issuecomment-380654667 > meaningless but a little useful . span created once in parent span, cost is limited . if we skip trace when there is no active context , some multi-thread application's trace will lost . You would lose the multi-thread batch process, I guess which you refer. This span can't help you with grouping the several sub-thread processes.
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