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From: =?UTF-8?Q?Gyula_F=C3=B3ra?= <gyula.fora@gmail.com>
Date: Fri, 11 Aug 2017 12:26:12 +0000
Message-ID: <CA+faj9wbi5snujkeHQmTU1LYs=TmS93Pntfy6Brf5CQcW78ToA@mail.gmail.com>
Subject: Re: Using latency markers
To: Aljoscha Krettek <aljoscha@apache.org>, Kien Truong <duckientruong@gmail.com>
Cc: user@flink.apache.org
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archived-at: Fri, 11 Aug 2017 12:26:37 -0000

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Yes, they are enabled by default I think.

Gyula

On Fri, Aug 11, 2017, 14:14 Aljoscha Krettek <aljoscha@apache.org> wrote:

> It seems you have to enable latency tracking
> via ExecutionConfig.setLatencyTrackingInterval(...). This will make the
> sources emit latency tokens, which then in turn update the latency metric=
:
> https://ci.apache.org/projects/flink/flink-docs-release-1.3/monitoring/me=
trics.html#latency-tracking
> .
>
> Did you enable that?
>
> Best,
> Aljoscha
>
>
> On 10. Aug 2017, at 18:36, Kien Truong <duckientruong@gmail.com> wrote:
>
> Hi,
>
> I just want to say we're having the same issues.
>
> There's no metric for latency when we attempted to export the metrics
> through graphite either.
>
>
> Regards,
>
> Kien
>
>
> On 8/10/2017 7:36 PM, Aljoscha Krettek wrote:
>
> Hi,
>
> I must admit that I've never used this but I'll try and look into it.
>
> Best,
> Aljoscha
>
> On 10. Aug 2017, at 11:10, Gyula F=C3=B3ra <gyula.fora@gmail.com> wrote:
>
> Hi all!
>
> Does anyone have a working example of using the latency markers to test
> for the topology latency?
> We are using Flink 1.3.2 and it seems like however we tune it, whatever
> job we use all we get is NaN in the metrics. Maybe we are completely
> missing something...
>
> Thanks!
> Gyula
>
>
>
>

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<p dir=3D"ltr">Yes, they are enabled by default I think.</p>
<p dir=3D"ltr">Gyula </p>
<br><div class=3D"gmail_quote"><div dir=3D"ltr">On Fri, Aug 11, 2017, 14:14=
 Aljoscha Krettek &lt;<a href=3D"mailto:aljoscha@apache.org">aljoscha@apach=
e.org</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"ma=
rgin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style=3D"=
word-wrap:break-word">It seems you have to enable latency tracking via=C2=
=A0ExecutionConfig.setLatencyTrackingInterval(...). This will make the sour=
ces emit latency=C2=A0tokens, which then in turn update the latency metric:=
=C2=A0<a href=3D"https://ci.apache.org/projects/flink/flink-docs-release-1.=
3/monitoring/metrics.html#latency-tracking" target=3D"_blank">https://ci.ap=
ache.org/projects/flink/flink-docs-release-1.3/monitoring/metrics.html#late=
ncy-tracking</a>.<div><br></div><div>Did you enable that?</div><div><br></d=
iv><div>Best,</div><div>Aljoscha</div></div><div style=3D"word-wrap:break-w=
ord"><div><br><br><div><blockquote type=3D"cite"><div>On 10. Aug 2017, at 1=
8:36, Kien Truong &lt;<a href=3D"mailto:duckientruong@gmail.com" target=3D"=
_blank">duckientruong@gmail.com</a>&gt; wrote:</div><br class=3D"m_-7698516=
564748195991Apple-interchange-newline"><div><div>Hi,<br><br>I just want to =
say we&#39;re having the same issues.<br><br>There&#39;s no metric for late=
ncy when we attempted to export the metrics through graphite either.<br><br=
><br>Regards,<br><br>Kien<br><br><br>On 8/10/2017 7:36 PM, Aljoscha Krettek=
 wrote:<br><blockquote type=3D"cite">Hi,<br><br>I must admit that I&#39;ve =
never used this but I&#39;ll try and look into it.<br><br>Best,<br>Aljoscha=
<br><br><blockquote type=3D"cite">On 10. Aug 2017, at 11:10, Gyula F=C3=B3r=
a &lt;<a href=3D"mailto:gyula.fora@gmail.com" target=3D"_blank">gyula.fora@=
gmail.com</a>&gt; wrote:<br><br>Hi all!<br><br>Does anyone have a working e=
xample of using the latency markers to test for the topology latency?<br>We=
 are using Flink 1.3.2 and it seems like however we tune it, whatever job w=
e use all we get is NaN in the metrics. Maybe we are completely missing som=
ething...<br><br>Thanks!<br>Gyula<br></blockquote></blockquote><br></div></=
div></blockquote></div><br></div></div></blockquote></div>

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