flink-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Tzu-Li (Gordon) Tai" <tzuli...@apache.org>
Subject Re: LatencyMarker
Date Wed, 13 Sep 2017 09:46:33 GMT

There is actually latency metrics in the Web UI, but I think there was also some previously
reported problem on that [1].
Is there a JIRA for the patch work you did that you mentioned? If you have a fix for that
we could definitely have a look at it.

Looping in Aljoscha also, who I think was looking into the issue of latency metrics not showing
and may have some status updates on that.


[1] http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Using-latency-markers-td14791.html#a14799

On 10 September 2017 at 8:39:46 AM, aitozi (gjying1314@gmail.com) wrote:


You are right, i have proved that the backpressure will increase the  
latency,and in have another question, now the value of the latency is not  
Visualization in the dashboard,is there any plan to do this, i have add this  
by remove the other operator and only keep the source -> end latency and  
then i can see the latency in dashboard, if the community accept the patch  


and now the  
Tzu-Li (Gordon) Tai wrote  
> Hi!  
> Yes, backpressure should also increase the latency value calculated from  
> LatencyMarkers.  
> LatencyMarkers are special events that flow along with the actual stream  
> records, so they should also be affected by backpressure.  
> Are you asking because you observed otherwise?  
> Cheers,  
> Gordon  
> --  
> Sent from:  
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/  

Sent from: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/  

View raw message