How about if we make it a hadoop2 only feature? On Tuesday, July 1, 2014, Jesse Yates <[email protected]> wrote:
> I was working on a patch to support using Cloudera's HTrace ( > https://github.com/cloudera/htrace) library for phoenix queries. There > was a preliminary patch for the 2.X series, but it never got committed. Two > weeks ago I almost finished porting it to the 4.X line, but haven't > finished the piece that will support Hadoop1*. I can't seem to find the > JIRA right now though... > > I've gotten sidetracked on some internal work, so probably not going to > have time to wrap it up for a couple weeks. > > -J > > * It uses the Hadoop metrics2 library to collect the traces and then has a > default implementation (as a metrics sink) that writes them to a phoenix > table so it can be analyzed later. Because of the changes between Hadoop1 > and 2, there is some reflection funkiness that is necessary to support > both, but just haven't finished the hadoop1 side of it. > ------------------- > Jesse Yates > @jesse_yates > jyates.github.com > > > On Tue, Jul 1, 2014 at 9:29 AM, Stephen Sprague <[email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: > >> following up to my own message i did see reference to something called >> "Hannibal" (https://github.com/sentric/hannibal) in the Phoenix doc. >> Looks like this helps with identifying imbalance within your cluster. >> >> I'll keep searching around though - a Phoenix log file looks like perhaps >> the best way to monitor phoenix queries at this point as i don't think >> there is any self-aware queries to ask of it. That's a jdbc driver issue >> anyway - not phoenix. >> >> Cheers, >> Stephen. >> >> >> >> On Mon, Jun 30, 2014 at 10:17 PM, Stephen Sprague <[email protected] >> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: >> >>> Hi guys, >>> >>> May i ask what tools you use to monitor (active) Phoenix queries? >>> >>> looking at the web ui for hbase master and region servers it isn't >>> exactly intuitive as to what *phoenix* is doing. Its probably a stretch to >>> ask if there's something like "show processlist" (ala mysql) out there >>> somewhere. >>> >>> so is there a log file with metrics in it that perhaps i could tail or >>> analyze in realtime? perhaps even feed it back into hbase? :) hey, wait >>> a sec, anything in those system tables that is realtime-ish? >>> >>> regardless, kinda curious how people monitor the Phoenix plant. >>> >>> thanks, >>> Stephen. >>> >>> >>> >> >
