thanks for the information . I want to collect some performance metrics like throughput , latency etc .thats why looking for these data to collect some information .
how can i collect some performance data in flink ? Regards Prateek On Mon, May 16, 2016 at 2:32 PM, Fabian Hueske-2 [via Apache Flink User Mailing List archive.] <ml-node+s2336050n6944...@n4.nabble.com> wrote: > Hi Prateek, > > the missing numbers are an artifact from how the stats are collected. > ATM, Flink does only collect these metrics for data which is sent over > connections *between* Flink operators. > Since sources and sinks connect to external systems (and not Flink > operators), the dash board does not show receiving byte for sources and > sent bytes for sinks. > > Best, Fabian > > 2016-05-16 23:02 GMT+02:00 prateekarora <[hidden email] > <http:///user/SendEmail.jtp?type=node&node=6944&i=0>>: > >> Hi >> >> In my flink kafka streaming application i am fetching data from one topic >> and then process and sent to output topic . my application is working fine >> but flink dashboard shows Source [Bytes/records Received] and Sink >> [Bytes/records sent] is zero. >> >> >> Duration Name Bytes Records >> Bytes >> Records Status >> Received Received >> sent sent >> 3m 15s Source: Custom Source 0 B 0 >> 249 MB >> 3,540 RUNNING >> >> >> 3m 15s Map -> Sink: Unnamed 203 MB 2,883 0 B >> 0 >> RUNNING >> >> >> >> < >> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/file/n6941/flink-kafka.png >> > >> >> what is the reason for not showing correct number ? >> >> Regards >> Prateek >> >> >> >> >> >> >> >> -- >> View this message in context: >> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Flink-Kafka-Streaming-Source-Bytes-records-Received-and-Sink-Bytes-records-sent-show-zero-messages-tp6941.html >> Sent from the Apache Flink User Mailing List archive. mailing list >> archive at Nabble.com. >> > > > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > > http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Flink-Kafka-Streaming-Source-Bytes-records-Received-and-Sink-Bytes-records-sent-show-zero-messages-tp6941p6944.html > To unsubscribe from Flink Kafka Streaming - Source [Bytes/records > Received] and Sink [Bytes/records sent] show zero messages, click here > <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=6941&code=cHJhdGVlay5hcm9yYTJrNkBnbWFpbC5jb218Njk0MXwtOTMxMzI0ODYx> > . > NAML > <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> > -- View this message in context: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Flink-Kafka-Streaming-Source-Bytes-records-Received-and-Sink-Bytes-records-sent-show-zero-messages-tp6941p6945.html Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.