Re: Batch message trace presentation

[Sheng Wu]

Tracking from https://github.com/apache/skywalking/issues/12100

Sheng Wu 吴晟
Twitter, wusheng1108

Forrest Wang <forrest.wang@woo.network.invalid> 于2024年4月15日周一 08:57写道：
>
> Yes, They are from the same span.
>
>
> Following is  the data:
> {"data":{"trace":{"spans":[{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","segmentId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580000","spanId":0,"parentSpanId":-1,"refs":[],"serviceCode":"OrderCenterApplication","serviceInstanceName":"cc56ac798a984e4c8631bf95c12ec2a4@10.182.9.30","startTime":1713140795558,"endTime":1713140795570,"endpointName":"POST:/order","type":"Entry","peer":"","component":"SpringMVC","isError":false,"layer":"Http","tags":[{"key":"url","value":"http://localhost:10070/order"},{"key":"http.method","value":"POST"},{"key":"woo.order.id","value":"-8091796425484786187"},{"key":"http.status_code","value":"200"}],"logs":[],"attachedEvents":[]},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","segmentId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580000","spanId":1,"parentSpanId":0,"refs":[],"serviceCode":"OrderCenterApplication","serviceInstanceName":"cc56ac798a984e4c8631bf95c12ec2a4@10.182.9.30","startTime":1713140795560,"endTime":1713140795562,"endpointName":"HikariCP/Connection/getConnection","type":"Local","peer":"","component":"HikariCP","isError":false,"layer":"Unknown","tags":[],"logs":[],"attachedEvents":[]},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","segmentId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580000","spanId":2,"parentSpanId":0,"refs":[],"serviceCode":"OrderCenterApplication","serviceInstanceName":"cc56ac798a984e4c8631bf95c12ec2a4@10.182.9.30","startTime":1713140795562,"endTime":1713140795568,"endpointName":"Mysql/JDBC/PreparedStatement/execute","type":"Exit","peer":"localhost:3306","component":"mysql-connector-java","isError":false,"layer":"Database","tags":[{"key":"db.type","value":"Mysql"},{"key":"db.instance","value":"orderdb"},{"key":"db.statement","value":"INSERT
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> )"}],"logs":[],"attachedEvents":[]},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","segmentId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580000","spanId":3,"parentSpanId":0,"refs":[],"serviceCode":"OrderCenterApplication","serviceInstanceName":"cc56ac798a984e4c8631bf95c12ec2a4@10.182.9.30","startTime":1713140795568,"endTime":1713140795568,"endpointName":"HikariCP/Connection/close","type":"Local","peer":"","component":"HikariCP","isError":false,"layer":"Unknown","tags":[],"logs":[],"attachedEvents":[]},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","segmentId":"87d7dec5feb34659a4088de3d6a918a3.89.17131407959580000","spanId":0,"parentSpanId":-1,"refs":[{"traceId":"87d7dec5feb34659a4088de3d6a918a3.78.17131407932360001","parentSegmentId":"87d7dec5feb34659a4088de3d6a918a3.78.17131407932360000","parentSpanId":0,"type":"CROSS_THREAD"},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.69.17131407934730001","parentSegmentId":"87d7dec5feb34659a4088de3d6a918a3.69.17131407934730000","parentSpanId":0,"type":"CROSS_THREAD"},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.70.17131407938430001","parentSegmentId":"87d7dec5feb34659a4088de3d6a918a3.70.17131407938430000","parentSpanId":0,"type":"CROSS_THREAD"},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.71.17131407941930001","parentSegmentId":"87d7dec5feb34659a4088de3d6a918a3.71.17131407941930000","parentSpanId":0,"type":"CROSS_THREAD"},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","parentSegmentId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580000","parentSpanId":0,"type":"CROSS_THREAD"}],"serviceCode":"OrderCenterApplication","serviceInstanceName":"cc56ac798a984e4c8631bf95c12ec2a4@10.182.9.30","startTime":1713140795958,"endTime":1713140795961,"endpointName":"MessageBatch","type":"Local","peer":"","component":"rocketMQ-producer","isError":false,"layer":"Unknown","tags":[{"key":"woo.order.id","value":"8873320518912571848"},{"key":"woo.order.id","value":"-7101405034217239298"},{"key":"woo.order.id","value":"-5222549140468995052"},{"key":"woo.order.id","value":"7133984305775220946"},{"key":"woo.order.id","value":"1687867387336546237"}],"logs":[],"attachedEvents":[]},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","segmentId":"87d7dec5feb34659a4088de3d6a918a3.89.17131407959610002","spanId":0,"parentSpanId":-1,"refs":[{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","parentSegmentId":"87d7dec5feb34659a4088de3d6a918a3.89.17131407959580000","parentSpanId":0,"type":"CROSS_THREAD"}],"serviceCode":"OrderCenterApplication","serviceInstanceName":"cc56ac798a984e4c8631bf95c12ec2a4@10.182.9.30","startTime":1713140795961,"endTime":1713140795966,"endpointName":"RocketMQ/points/Producer","type":"Exit","peer":"127.0.0.1:9876","component":"rocketMQ-producer","isError":false,"layer":"MQ","tags":[{"key":"mq.broker","value":"10.182.9.30:10911"},{"key":"mq.topic","value":"points"}],"logs":[],"attachedEvents":[]},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","segmentId":"b46a850dcbc546b6abeee07472c3f97d.101.17131407959810000","spanId":0,"parentSpanId":-1,"refs":[{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","parentSegmentId":"87d7dec5feb34659a4088de3d6a918a3.89.17131407959610002","parentSpanId":0,"type":"CROSS_PROCESS"}],"serviceCode":"PointsCenterApplication","serviceInstanceName":"c45c96ecdea4430787ee2931c9793bae@10.182.9.30","startTime":1713140795983,"endTime":1713140796001,"endpointName":"RocketMQ/points/Consumer","type":"Entry","peer":"127.0.0.1:9876","component":"rocketMQ-consumer","isError":false,"layer":"MQ","tags":[{"key":"transmission.latency","value":"23"},{"key":"mq.topic","value":"points"},{"key":"mq.broker","value":"10.182.9.30:10911"}],"logs":[],"attachedEvents":[]},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","segmentId":"b46a850dcbc546b6abeee07472c3f97d.101.17131407959810000","spanId":1,"parentSpanId":0,"refs":[],"serviceCode":"PointsCenterApplication","serviceInstanceName":"c45c96ecdea4430787ee2931c9793bae@10.182.9.30","startTime":1713140795991,"endTime":1713140795992,"endpointName":"HikariCP/Connection/getConnection","type":"Local","peer":"","component":"HikariCP","isError":false,"layer":"Unknown","tags":[],"logs":[],"attachedEvents":[]},{"traceId":"87d7dec5feb34659a4088de3d6a918a3.72.17131407955580001","segmentId":"b46a850dcbc546b6abeee07472c3f97d.101.17131407959810000","spanId":2,"parentSpanId":0,"refs":[],"serviceCode":"PointsCenterApplication","serviceInstanceName":"c45c96ecdea4430787ee2931c9793bae@10.182.9.30","startTime":1713140795994,"endTime":1713140795996,"endpointName":"Mysql/JDBC/PreparedStatement/execute","type":"Exit","peer":"localhost:3306","component":"mysql-connector-java","isError":false,"layer":"Database","tags":[{"key":"db.type","value":"Mysql"},{"key":"db.instance","value":"orderdb"},{"key":"db.statement","value":"SELECT
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>
> > 2024年4月15日 08:50，Sheng Wu <wu.sheng.841...@gmail.com> 写道：
> >
> > Trace ID links are what I meant to be added.
> > So, it is fixed.
> >
> > VNode is another story, we explained what is a VNode. 
> > https://skywalking.apache.org/docs/main/latest/en/faq/vnode/
> >
> > Are those VNodes are actually from the same span? This issue can't be 
> > resolved if you only provided the graphs, we need the data.
> >
> >
> >
> > Sheng Wu 吴晟
> > Twitter, wusheng1108
> >
> >
> > Forrest Wang <forrest.wang@woo.network.invalid> 于2024年4月15日周一 08:41写道：
> >> Thank you, Wu.
> >>
> >> I pulled the newest source from master: git clone 
> >> https://github.com/apache/skywalking.git
> >>
> >> But the trace is the same as the following:
> >>
> >>
> >>
> >>
> >>> 2024年4月14日 18:30，Sheng Wu <wu.sheng.841...@gmail.com 
> >>> <mailto:wu.sheng.841...@gmail.com>> 写道：
> >>>
> >>> This should be fixed in the latest release. Please recheck.
> >>>
> >>> Sheng Wu 吴晟
> >>>
> >>> Apache SkyWalking
> >>> Twitter, wusheng1108
> >>>
> >>>
> >>> Forrest Wang <forrest.wang@woo.network.invalid>于2024年4月14日 周日18:15写道：
> >>>
> >>>> Hi Community:
> >>>>        The following is a call chain for a batch message scenario. From
> >>>> the figure, you can see that only one upstream call chain (the last one 
> >>>> in
> >>>> the figure) can be associated with the batch message Span, and the other
> >>>> upstream call chains are displayed as VNodes.
> >>>>
> >>>> 如下是一个批量消息场景的调用链，从图中可以看到只有一个上游调用链（图中的最后一个）可以和批量消息Span关联起来，其他的上游调用链都显示为VNode。
> >>>>
> >>>>        I would like to ask whether this is an expected behavior or a
> >>>> bug.      Wouldn't it be better if all upstream call chains could be
> >>>> related? However, this does bring about a problem, which is a bit 
> >>>> confusing.
> >>>>
> >>>> 我想请教一下，这个一个预期的行为，还是一个Bug。如果能把所有上游的调用链都关联起来，是不是更好？不过这也确实带来一个问题，就是稍显混乱。
> >>>>
> >>
>