Re: Yahoo! Streaming Benchmark with Flink

Thanks Till, your reply answered my questions perfectly. Regards, Eric On Fri, Oct 28, 2016 at 11:00 AM, Till Rohrmann wrote: > Hi Eric, > > concerning your first question. I think that > AdvertisingTopologyFlinkStateHighKeyCard > models a different scenario where one

Flink on YARN - Fault Tolerance | use case supported or not

Hi All, I tried testing fault tolerance in a different way(not sure if it as appropriate way) of my running flink application. I ran the flink application on YARN and after completing few checkpoints, killed the YARN application using: yarn application -kill application_1476277440022_

Flink Metrics - InfluxDB + Grafana | Help with query influxDB query for Grafana to plot 'numRecordsIn' & 'numRecordsOut' for each operator/operation

Hi All, I'm trying to plot the flink application metrics using grafana backed by influxdb. I need to plot/monitor the 'numRecordsIn' & 'numRecordsOut' for each operator/operation. I'm finding it hard to generate the influxdb query in grafana which can help me make this plot. I am able to plot

Re: Session windows - Evaluation of addition of element + window expires/gets discarded after some set time of inactivity

Hi Aljoscha, I am using the custom trigger with GlobalWindows window assigner. Do I still need to override clear method and delete the ProcessingTimeTimer using- triggerContext.deleteProcessingTimeTimer(prevTime)? Regards, Anchit -- View this message in context:

Elasticsearch sink: Java.lang.NoSuchMethodError: org.elasticsearch.common.settings.Settings.settingsBuilder

Hello, I am using Flink to write data to elasticsearch. Flink version : 1.1.3 Elasticsearch version: 2.4.1 But I am getting the following error: 1/0/28/2016 18:58:56 Job execution switched to status FAILING. java.lang.NoSuchMethodError:

A custom FileInputFormat

Hello Flink community, I am running into an issue with a custom FileInputFormat class and would appreciate your help. My goal is to read all files from a directory as paths: val env : ExecutionEnvironment = ExecutionEnvironment.getExecutionEnvironment var source : DataSet[String] =

Re: Yahoo! Streaming Benchmark with Flink

Hi Eric, concerning your first question. I think that AdvertisingTopologyFlinkStateHighKeyCard models a different scenario where one tries to count the number ads per campaign for a large number of campaigns. In this scenario, the input data already contains the campaign id for each ad. I think

Re: Flushing the result of a groupReduce to a Sink before all reduces complete

Hi Fabian, We have reworked our execution to remove the group reduce step and replaced it with a map partition and we're seeing data passing more immediately now. Thanks for your quick reply, it was very useful. Regards, Paul On 26 October 2016 at 19:57, Fabian Hueske

Re: Can we do batch writes on cassandra using flink while leveraging the locality?

Spark Cassandra connector does it! but I don't think it really implements a custom partitioner I think it just leverages token aware policy and does batch writes by default within a partition but you can also do across partitions with the same replica! On Thu, Oct 27, 2016 at 8:41 AM, Shannon