Are you talking about FLUME-1491 patch 7 or some other patch? If yes, then it does listen for change notifications from Zookeeper, via Curator's NodeCache.
On Sun, Aug 3, 2014 at 10:21 PM, Paweł Róg <pro...@gmail.com> wrote: > Hi, > I fetched a patch and see that zookeeper configuration provider doesn't > listen on zookeeper and doesn't emit events when somethings changes in > zookeeper. Did I miss something? > > -- > Paweł > > 2014-08-01 13:16 GMT+02:00 Ashish <paliwalash...@gmail.com>: > > >> >> >> On Fri, Aug 1, 2014 at 4:40 PM, Paweł <pro...@gmail.com> wrote: >> >>> Hi, >>> Thanks for information. Please tell me what happens with existing >>> sources, channels and sinks when configuration is reloaded? Are they >>> destroyed and started once again? >>> >> >> During reload Flume shall stop existing ones and the reload the config >> creating Components as specified in changed config. >> >> See org.apache.flume.lifecycle package for Life cycle stuff >> and org.apache.flume.node package for how Agent starts and use >> Configuration. >> >> >>> >>> Zookeeper would be nice here. Can you tell me if there are any estimates >>> for time needed to close the issue or to have any stable version (no needed >>> to be pushed into master)? >>> >> >> Patch is attached, need to be battle tested. >> >> >>> >>> -- >>> Paweł >>> >>> >>> 2014-08-01 12:59 GMT+02:00 Ashish <paliwalash...@gmail.com>: >>> >>> If you change the configuration file, Flume reloads it, unless you tell >>>> it not to by specifying no-reload-conf option. >>>> >>>> >>>> On Fri, Aug 1, 2014 at 3:35 PM, Paweł <pro...@gmail.com> wrote: >>>> >>>>> Hi, >>>>> Currently I see no option to configure Flume dynamically. >>>>> >>>>> I have a case where I have to be able to >>>>> * add or remove Source >>>>> * attach Source to a Channel >>>>> * attach a Channel to a Sink or several Sinks >>>>> >>>>> All of this things are possible but only with configuration file which >>>>> means restart of application each time when the anything changes. >>>>> >>>>> 1) Are there any plans to add dynamic configuration mechanisms? >>>>> >>>> >>>> I think it's already supported. When you reconfigure, Flume Agents goes >>>> through its Lifecycle events stop and then restart. >>>> >>>> >>>>> 2) Do you think any REST API or JMX would be good in this place? >>>>> >>>> >>>> There is JIRA for configuration using Zookeeper >>>> https://issues.apache.org/jira/browse/FLUME-1491 >>>> >>>> >>>>> 3) How complicated it is to make Flume configurable? Does it men tons >>>>> of coding and months to implement it or rather it is not so hard? >>>>> >>>> >>>> >>>>> >>>>> -- >>>>> Paweł >>>>> >>>> >>>> >>>> >>>> -- >>>> thanks >>>> ashish >>>> >>>> Blog: http://www.ashishpaliwal.com/blog >>>> My Photo Galleries: http://www.pbase.com/ashishpaliwal >>>> >>> >>> >> >> >> -- >> thanks >> ashish >> >> Blog: http://www.ashishpaliwal.com/blog >> My Photo Galleries: http://www.pbase.com/ashishpaliwal >> > > -- thanks ashish Blog: http://www.ashishpaliwal.com/blog My Photo Galleries: http://www.pbase.com/ashishpaliwal
