Thanks Zhijie !
I had few more questions :
1. I played around with the timeline server ui today which showed the
generic application history details,
but I couldn't find any page for application specific data. Is the
expectation that every application
needs to build their own UI using the exposed
1 and 4:
We have thought about that in addition to service application specific
data, the timeline server should accept the web UI plugin from the
application, install it and render the data on the web page according the
application's design, but still need to figure out the plan. Before that,
the
Hi Zhijie,
There seems to two umbrella jiras for this - YARN-321 and YARN-1530,can you
please let me know what is the
difference ? Is timeline server finally going to be YARN321+YARN1530 ?
You mentioned that MR is going to integrated with timeline server,is there
a jira I can watch ?
Thanks,
Ashwin,
YARN-321 focuses on the issue in the scope of generic application history
service, while YARN-1530 covers the framework specific data service. And
yes, the timeline server is going to cover both.
We've not such a Jira before, but it is described in YARN-321's design doc.
Anyway, I open a
Zhijie,
I am much clear now. Thanks a lot!
As my understanding, besides previous Job History Server, hadoop now has a
new timeline server which could restore both the generic YARN application
history and the framework specific information. However, I think the
timeline server also include the
Sam,
You're right. We can definitely integrate MapReduce to use the timeline
server to store and serve its specific data, and this is actually our plan.
However, it's a big move, and we still need time to get it done. In
addition, not to disturb the users that are currently relying on JHS for MR
Hi Experts,
I am confusing on these two concepts. Could you help explain the
differences?
Thanks!
In Hadoop 2.4, we have delivered the timeline server at a preview stage,
which actually can serve some generic YARN application history as well as
the framework specific information. Due to the development logistics, we
have created the two concepts: History Server and Timeline Server. To be