Distributing Data to multiple kafka partitions while having a single flink instance or worker or slot

2022-01-19 Thread Dipanjan Mazumder
Hi,    Problem:            - Currently i am using flink as an embedded library in one of my application, eventually the application will be the Job and will be deployed in the flink cluster , but right its not a cluster but a standalone single process running flink within the same process.     

Error: Timeout of 60000ms expired before the position for partition

2021-10-02 Thread Dipanjan Mazumder
Hi,   I am getting below error while starting the flink as a standalone single jvm process through jar. The kafka is deployed as a seperate cluster and the process is not able to start and fails with below error after 60sec: org.apache.kafka.common.errors.TimeoutException: Timeout of 6ms expi

Re: Usecase for flink

2021-09-10 Thread Dipanjan Mazumder
/roadmap.html On Fri, 10 Sept 2021 at 09:09, Dipanjan Mazumder wrote: Hi Jing,     Thanks for the input another question i had was can Gelly be used for processing the graph that flink receives through kafka and then using Gelly i decompose the graph into its nodes and edges and then process them

Re: Usecase for flink

2021-09-10 Thread Dipanjan Mazumder
could handle this user case.  Don't worry that Flink can't handle this kind of data scale because Flink is a distributed engine. As long as the problem of data skew is carefully avoided, the input throughput can be handled through appropriate resources. Best,JING ZHANG Dipanjan Mazumder

Usecase for flink

2021-09-09 Thread Dipanjan Mazumder
Hi,    I am working on a usecase and thinking of using flink for the same. The use case is i will be having many large resource graphs , i need to parse that graph for each node and edge and evaluate each one of them against some suddhi rules , right now the implementation for evaluating individ

Re: Repository for all mailing list

2021-08-03 Thread Dipanjan Mazumder
ica/lab-flink-repository-analytics  On Tue, Aug 3, 2021 at 10:54 AM Dipanjan Mazumder wrote: Hi ,     I was wondering there were so many problems and there solutions were discussed in mails , and do we have any jira issues repo where all these problems and there solutions a re maintained so t

Repository for all mailing list

2021-08-03 Thread Dipanjan Mazumder
Hi ,     I was wondering there were so many problems and there solutions were discussed in mails , and do we have any jira issues repo where all these problems and there solutions a re maintained so that any user can checkout the issues in the repo to understand if their problems are already dis

Re: Flink SQL as DSL for flink CEP

2021-07-10 Thread Dipanjan Mazumder
hile a few features are not supported yet, you could view the document [2] to check. [1]  https://ci.apache.org/projects/flink/flink-docs-release-1.13/docs/libs/cep/[2]  https://ci.apache.org/projects/flink/flink-docs-release-1.13/docs/dev/table/sql/queries/match_recognize/ Best,JING ZHANG Dipanjan Mazumd

Flink SQL as DSL for flink CEP

2021-06-15 Thread Dipanjan Mazumder
Hi,     Can we say that Flink SQL is kind of a DSL overlay on flink CEP , i mean i need a DSL for flink CEP , so that i can decouple the CEP rules from code and pass them dynamically to be applied on different data streams. Flink CEP doen't have any DSL implementation , so is it that Flink SQL c

Re: DSL for Flink CEP

2021-06-03 Thread Dipanjan Mazumder
Paul wrote: Hi Dipanjan, I am afraid there are no foreseeable efforts planned but if you find a nice addition, you can  start a discussion in the community about this feature. Best, Fabian On 2. Jun 2021, at 12:10, Dipanjan Mazumder wrote: Hi Fabian,      Understood but is

Re: DSL for Flink CEP

2021-06-02 Thread Dipanjan Mazumder
solution you have to directly reach out to the maintainers. Best,Fabian On 2. Jun 2021, at 08:37, Dipanjan Mazumder wrote: Hi ,    I am currently using Siddhi CEP with flink , but the flink-siddhi library has limited support for flnk versions and i will either need to fix the library or get tied

DSL for Flink CEP

2021-06-01 Thread Dipanjan Mazumder
Hi ,    I am currently using Siddhi CEP with flink , but the flink-siddhi library has limited support for flnk versions and i will either need to fix the library or get tied to a fix version of Flink to use th library.  I am looking at Flink CEP as an option , and also came across a Flink CEP DSL

Re: Getting Abstract method Error with flink 1.13.0 and 1.12.0

2021-06-01 Thread Dipanjan Mazumder
Hi ,    I have integrated flink-siddhi library ([com.github.haoch/flink-siddhi_2.11 "0.2.2-SNAPSHOT"]) and i tried to configure and implement control stream from flink-siddh and it broke with AbstractMethodError. When i tried running the same with flink 1.11.0 it worked. More Details is given

Re: Getting Abstract method Error with flink 1.13.0 and 1.12.0

2021-06-01 Thread Dipanjan Mazumder
used for development discussions. Cheers,Till On Tue, Jun 1, 2021 at 1:31 PM Dipanjan Mazumder wrote: Hi ,    I have integrated flink-siddhi library ([com.github.haoch/flink-siddhi_2.11 "0.2.2-SNAPSHOT"]) and i tried to configure and implement control stream from flink-siddh an

Re: How to use or configure flink checkpointing with siddhi internal state

2021-06-01 Thread Dipanjan Mazumder
31, 2021 at 7:27 PM Dipanjan Mazumder wrote: Hi ,    I was trying to do checkpointing while using siddhi as the CEP engine running on flink. While using siddhi windowing , it uses an internal state to aggregated or perform operation on a bucket of events pertaining to a specific time window

[Flink-Siddhi]: Issue processing siddhi CEP task on flink

2021-05-25 Thread Dipanjan Mazumder
, 12:48:59 PM GMT+5:30, Dipanjan Mazumder wrote: Hi All,     Found the solution ,  Problem: I was actually using an intermediate library to integrate siddhi with Flink (https://github.com/haoch/flink-siddhi) and i was creating a SiddhiCEP instance and then calling "define()" on tha

Re: Issue with using siddhi extension function with flink

2021-05-25 Thread Dipanjan Mazumder
Hi All,     Found the solution ,  Problem: I was actually using an intermediate library to integrate siddhi with Flink (https://github.com/haoch/flink-siddhi) and i was creating a SiddhiCEP instance and then calling "define()" on that instance , while i was registering the extension on the crea

Issue with using siddhi extension function with flink

2021-05-20 Thread Dipanjan Mazumder
Hi ,    i am trying to integrate siddhi with flink while trying to use siddhi extension function on deploying the job in flink cluster it is not able to find those libraries at run time , so i had to explicitly put those libraries to the /opt/flink/lib folder for the jobmanager and taskmanager

use of org.apache.flink.yarn.cli.FlinkYarnSessionCli in Flink Sql client

2019-09-22 Thread Dipanjan Mazumder
Hi ,   Thanks again for responding on my earlier queries..     I was again going through the Flink SQL client code and came across the default custom command-line , few days back i came to know that Flink sql client is not supported in a full fledged cluster with different resource managers like

Re: Use of loading flink-conf.yaml in Flink-sql client

2019-09-15 Thread Dipanjan Mazumder
GMT+5:30, Dipanjan Mazumder wrote: Hi,   I was going through the Flink Sql client code and came through a flow where we are loading  flink-conf.yaml in the configuration object as prerequisite for the SQL client to start. I can see that the configuration file has properties

Use of loading flink-conf.yaml in Flink-sql client

2019-09-14 Thread Dipanjan Mazumder
Hi,   I was going through the Flink Sql client code and came through a flow where we are loading  flink-conf.yaml in the configuration object as prerequisite for the SQL client to start. I can see that the configuration file has properties pertaining to the Flink cluster. As far as m

Re: Flink SQL client support for running in Flink cluster

2019-09-07 Thread Dipanjan Mazumder
deployed in standalone mode. Hope that helps. Best,Xingcan On Sep 7, 2019, at 1:57 AM, Dipanjan Mazumder wrote: Hi Guys,     I was going through the Flink sql client configuration YAML from the training example and came across a section in the configuration as below

Flink SQL client support for running in Flink cluster

2019-09-06 Thread Dipanjan Mazumder
Hi Guys,     I was going through the Flink sql client configuration YAML from the training example and came across a section in the configuration as below:      # Deployment properties allow for describing the cluster to which table# pr