Re: Adding a Histogram Metric

2016-06-27 Thread Steve Cosenza
lements, exponentially >>>>>>>> decaying >>>>>>>> > sampling, which favours more recent elements, sliding window or >>>>>>>> buckets. >>>>>>>> > >>>>>>>> > The que

Re: Adding a Histogram Metric

2016-06-23 Thread Till Rohrmann
indow or >>>>>>> buckets. >>>>>>> > >>>>>>> > The question is now whether such an implementation already covers >>>>>>> most use >>>>>>> > cases or whether histograms should support more functio

Re: Adding a Histogram Metric

2016-06-22 Thread Steve Cosenza
wrote: >>>>>> > >>>>>> > > I think it is totally fine to add a "ThreadsafeCounter" that uses >>>>>> an >>>>>> > atomic >>>>>> > > long internally >>>>

Re: Adding a Histogram Metric

2016-06-18 Thread Steve Cosenza
t;>>> > > > configuring each Finagle source to use a single thread. We'll >>>> > investigate >>>> > > > the performance implications this week and update you with the >>>> results. >>>> > > > >>>> > &g

Re: Adding a Histogram Metric

2016-06-18 Thread Steve Cosenza
t; >>>>> > > I think it is totally fine to add a "ThreadsafeCounter" that uses >>>>> an >>>>> > atomic >>>>> > > long internally >>>>> > > >>>>> > > On Sat, Jun 11, 2016 at 7

Re: Adding a Histogram Metric

2016-06-18 Thread Chesnay Schepler
> > >> That being said, if adding threadsafe versions of the Flink counters > is > > >> not an option, we'd also be fine with directly reading and writing > from

Adding a Histogram Metric

2016-06-18 Thread Steve Cosenza
> >>> > > > >>> > > > On Friday, June 10, 2016, Steve Cosenza >>> wrote: >>> > > > >>> > > >> +Chris Hogue who is also working on operationalizing Flink with me >>> > > >&

Re: Adding a Histogram Metric

2016-06-18 Thread Chesnay Schepler
> > >> not an option, we'd also be fine with directly reading and writing > from > > the > > >> singleton Codahale MetricsRegistry that you start up in each > > TaskManager.

Re: Adding a Histogram Metric

2016-06-17 Thread Till Rohrmann
>> Thanks for the background on your current implementations! >> > > >> >> > > >> While we don't require a specific implementation for histogram, >> > counter, >> > > >> or gauge, it just became clear that we'll need threadsa

Re: Adding a Histogram Metric

2016-06-16 Thread Till Rohrmann
gt; > > >> three of these metrics. This is because our messaging source is > > > implemented > > > >> using Finagle, and Finagle expects to be able to emit stats > > concurrently > > > >> from its managed threads. > > > >> &g

Re: Adding a Histogram Metric

2016-06-14 Thread Cody Innowhere
t; three of these metrics. This is because our messaging source is > > implemented > > >> using Finagle, and Finagle expects to be able to emit stats > concurrently > > >> from its managed threads. > > >> > > >> That being said, if adding thr

Re: Adding a Histogram Metric

2016-06-14 Thread Till Rohrmann
agle, and Finagle expects to be able to emit stats concurrently > >> from its managed threads. > >> > >> That being said, if adding threadsafe versions of the Flink counters is > >> not an option, we'd also be fine with directly reading and writing from >

Re: Adding a Histogram Metric

2016-06-13 Thread Stephan Ewen
e with directly reading and writing from the >> singleton Codahale MetricsRegistry that you start up in each TaskManager. >> >> Thanks, >> Steve >> >> On Fri, Jun 10, 2016 at 7:10 AM, Stephan Ewen wrote: >> >>> A recent discussion brought up the point of

Re: Adding a Histogram Metric

2016-06-11 Thread Steve Cosenza
ot an option, we'd also be fine with directly reading and writing from the > singleton Codahale MetricsRegistry that you start up in each TaskManager. > > Thanks, > Steve > > On Fri, Jun 10, 2016 at 7:10 AM, Stephan Ewen > wrote: > >> A recent discussion brought up t

Re: Adding a Histogram Metric

2016-06-10 Thread Steve Cosenza
tly reading and writing from the singleton Codahale MetricsRegistry that you start up in each TaskManager. Thanks, Steve On Fri, Jun 10, 2016 at 7:10 AM, Stephan Ewen wrote: > A recent discussion brought up the point of adding a "histogram" metric > type to Flink. This open threa

Adding a Histogram Metric

2016-06-10 Thread Stephan Ewen
A recent discussion brought up the point of adding a "histogram" metric type to Flink. This open thread is to gather some more of the requirements for that metric. The most important question is whether users need Flink to offer specific implementations of "Histogram",