Hey Gordon, We don't have a specification of the API right now (in 0.7.X this is a somewhat experimental feature). Each call returns a set of (k, v) pairs and the list of keys is static, so you can just do a function call in the browser to see what it returns and get the schema. The JSON protocol code is here:
https://github.com/mesos/spark/blob/branch-0.7/core/src/main/scala/spark/deploy/JsonProtocol.scala For 0.8 this will be more cleanly specified. - Patrick On Tue, Aug 20, 2013 at 4:25 PM, Gordon Hamilton < gordon.hamil...@wandisco.com> wrote: > Hi Patrick, that's great. I think I've possibly started a build from > branch-0.7 but have been looking at branch-0.8 code. I'll try the formats > you have described in the morning. > > Is there any documentation that outlines all that I could expect to see > returned from the json calls? > > Thanks, > Gordon > > On Tuesday, August 20, 2013, Patrick Wendell wrote: > > > In 0.7.X these are actually of the format /app?format=json. In 0.8.X they > > will be the format you described here "/app/json". Does that work for > you? > > > > - Patrick > > > > > > On Tue, Aug 20, 2013 at 8:53 AM, Gordon Hamilton < > > gordon.hamil...@wandisco.com <javascript:;>> wrote: > > > > > Hi guys, > > > > > > I'm new to Spark, so apologies if I've missed something obvious. > > > > > > I'm investigating the possibility of using Spark from an external UI, > and > > > see that Spark 0.7.0 introduced JSON endpoints into the UI which allows > > > Spark's state to be queried. I see in MasterWebUI.scala that "/json" > and > > > "/app/json" map to renderJson functions, but when I hit the url's from > a > > > browser, I see "No service available for [/json]" and "No service > > available > > > for [/app/json]" respectively. > > > > > > Is there any documentation on how the end points work, or could someone > > > point me in the right direction as to where I can find more > information? > > > > > > Many thanks in advance, > > > Gordon > > > > > > > > > -- > > > *Register now for* Subversion & Git Live October 2013< > > > http://www.wandisco.com/subversion-live-2013> > > > * **in** **Boston / San Francisco /** London* > > > > > > THIS MESSAGE AND ANY ATTACHMENTS ARE CONFIDENTIAL, PROPRIETARY, AND MAY > > BE > > > PRIVILEGED. If this message was misdirected, WANdisco, Inc. and its > > > subsidiaries, ("WANdisco") does not waive any confidentiality or > > privilege. > > > If you are not the intended recipient, please notify us immediately > and > > > destroy the message without disclosing its contents to anyone. Any > > > distribution, use or copying of this e-mail or the information it > > contains > > > by other than an intended recipient is unauthorized. The views and > > > opinions expressed in this e-mail message are the author's own and may > > not > > > reflect the views and opinions of WANdisco, unless the author is > > authorized > > > by WANdisco to express such views or opinions on its behalf. All email > > > sent to or from this address is subject to electronic storage and > review > > by > > > WANdisco. Although WANdisco operates anti-virus programs, it does not > > > accept responsibility for any damage whatsoever caused by viruses being > > > passed. > > > > > > > > > > > -- > Gordon Hamilton I *Hadoop Development Team* > > WANdisco // *Non-Stop Data* > > e. gordon.hamil...@wandisco.com > > -- > *Register now for* Subversion & Git Live October 2013< > http://www.wandisco.com/subversion-live-2013> > * **in** **Boston / San Francisco /** London* > > THIS MESSAGE AND ANY ATTACHMENTS ARE CONFIDENTIAL, PROPRIETARY, AND MAY BE > PRIVILEGED. If this message was misdirected, WANdisco, Inc. and its > subsidiaries, ("WANdisco") does not waive any confidentiality or privilege. > If you are not the intended recipient, please notify us immediately and > destroy the message without disclosing its contents to anyone. Any > distribution, use or copying of this e-mail or the information it contains > by other than an intended recipient is unauthorized. The views and > opinions expressed in this e-mail message are the author's own and may not > reflect the views and opinions of WANdisco, unless the author is authorized > by WANdisco to express such views or opinions on its behalf. All email > sent to or from this address is subject to electronic storage and review by > WANdisco. Although WANdisco operates anti-virus programs, it does not > accept responsibility for any damage whatsoever caused by viruses being > passed. > >
