My thought process when asking if we can use state backend in window
function was : can we add the elements to be evicted into some state and
allow the evictAfter to read it from some context and remove it from the
window?
On Fri, Jul 8, 2016 at 7:30 PM, Vishnu Viswanath <
vishnu.viswanat...@gmai
Hi Aljoscha,
Thanks for the explanation, and sorry for late reply was busy with work.
I did think about this scenario, in fact in my previous mail I thought of
posting this question, then I understood that this problem will be
there which ever method we choose(Trigger looking for pattern or Windo
Jiri Simsa created FLINK-4185:
-
Summary: Reflecting rename from Tachyon to Alluxio
Key: FLINK-4185
URL: https://issues.apache.org/jira/browse/FLINK-4185
Project: Flink
Issue Type: Improvement
I was planning to ask people to do that once the process is in place, yes.
Wouldn't it be "forward porting", though? :-)
On Fri, 8 Jul 2016 at 16:38 Robert Metzger wrote:
> What about "backporting" some of the currently ongoing FLIPs to the new
> process?
> In particular those which are not yet
Hi Kevin,
welcome to the Flink community!
Did you have a look into the web-page:
https://flink.apache.org/how-to-contribute.html
If you have follow-up question, just go for it
-Matthias
On 07/08/2016 09:12 AM, Kevin wrote:
> Hi,
>
> I am relatively new to the development process of Apache Fli
What about "backporting" some of the currently ongoing FLIPs to the new
process?
In particular those which are not yet fully implemented (Security, Mesos,
Key Groups, ...) ?
On Fri, Jul 8, 2016 at 4:21 PM, Aljoscha Krettek
wrote:
> Of course, this would make the list look like this:
>
> All of t
Till Rohrmann created FLINK-4184:
Summary: Ganglia and GraphiteReporter report metric names with
invalid characters
Key: FLINK-4184
URL: https://issues.apache.org/jira/browse/FLINK-4184
Project: Flink
Timo Walther created FLINK-4183:
---
Summary: Move checking for StreamTableEnvironment into validation
layer
Key: FLINK-4183
URL: https://issues.apache.org/jira/browse/FLINK-4183
Project: Flink
I
Hi Vishnu,
how long would these patterns be? The Trigger would not have to sort the
elements for every new element but just insert the new element into an
internal data structure. Only when it sees that the watermark is past a
certain point would it check whether the pattern matches and actually
Tr
Hey Kevin,
Your questions regarding the future of this space are so difficult to
answer that investors are betting millions of dollars on many possible
outcomes. You should consult them. :)
When you are choosing a system your best bet is current capabilities, the
roadmap and the community of the
Of course, this would make the list look like this:
All of the following are public interfaces that people build around:
- DataStream and DataSet API, including classes related to that, such as
StreamExecutionEnvironment
- Classes marked with the @Public annotation
- On-disk binary formats, suc
Stefan Richter created FLINK-4182:
-
Summary: HA recovery not working properly under ApplicationMaster
failures.
Key: FLINK-4182
URL: https://issues.apache.org/jira/browse/FLINK-4182
Project: Flink
Timo Walther created FLINK-4181:
---
Summary: Add a basic streaming Table API example
Key: FLINK-4181
URL: https://issues.apache.org/jira/browse/FLINK-4181
Project: Flink
Issue Type: New Feature
Timo Walther created FLINK-4180:
---
Summary: Create a batch SQL example
Key: FLINK-4180
URL: https://issues.apache.org/jira/browse/FLINK-4180
Project: Flink
Issue Type: New Feature
Comp
Hi,
I am relatively new to the development process of Apache Flink. Where
can I start to help you developing Flink?
Kind regards,
Kevin
Timo Walther created FLINK-4179:
---
Summary: Update TPCHQuery3Table example
Key: FLINK-4179
URL: https://issues.apache.org/jira/browse/FLINK-4179
Project: Flink
Issue Type: Improvement
What about the scripts?
On Fri, Jul 8, 2016 at 2:47 PM, Aljoscha Krettek wrote:
> Thanks a lot, Matthias! I created an actual "FLIP-Template" based on the
> template you copied over.
>
> I propose to change the list of public interfaces to this:
>
> All of the following are public interfaces that
Hi Marton,
Thank you for your elaborate answer. I will comment in your e-mail below:
On 08.07.2016 15:13, Márton Balassi wrote:
Hi Kevin,
Thanks for being willing to contribute such an effort. I think it is a
completely valid discussion to ask in your organization and please feel
free to ask u
Hi Kevin,
Thanks for being willing to contribute such an effort. I think it is a
completely valid discussion to ask in your organization and please feel
free to ask us questions during your evaluation. Putting statements on the
Flink website highlighting the differences would be very tricky though
Hi,
I recently was checking out the wiki because I want to add a page for FLIPs
(Flink Improvement Proposals, see that other mail thread.). I noticed that
we have some documentation there that IMHO should reside in the proper
Flink documentation. Specifically, I'm talking about these:
-
https://c
Thanks a lot, Matthias! I created an actual "FLIP-Template" based on the
template you copied over.
I propose to change the list of public interfaces to this:
All of the following are public interfaces that people build around:
- DataStream and DataSet API, including classes related to that, such
Hi,
I am currently working working for an organization which is using Apache
Spark as main data processing framework. Now the organization is
wondering whether Apache Flink is better at processing their data than
Apache Spark. Therefore, I am evaluating Apache Flink and I am comparing
it to A
I was not aware that there is separate mailing list for discussions.
>From next time I will use that mailing list for my queries.
Thanks Till for that information.
Regards,
Vinay Patil
On Fri, Jul 8, 2016 at 5:38 PM, Till Rohrmann wrote:
> Hi Vinay,
>
> have you tried only specifying the direc
Hi Aljoscha,
That is a good idea, trying to tie it back to the use case,
e.g., suppose trigger is looking for a pattern, a-b-a and when it sees such
a pattern, it will trigger the window and it knows that now the Evictor is
going to evict the element b, and trigger updates its state as a-a (even
b
Hi Vinay,
have you tried only specifying the directory path you want to read [1]?
I think in the future these kind of questions should be posted to the user
mailing list u...@flink.apache.org. The dev mailing list should be used for
discussions about Flink's development.
[1]
https://ci.apache.or
Hi,
I am able to read avro file stored in S3 using AvroInputFormat by providing
the full path.
Is there a way I can read all the folders inside the bucket using existing
Flink API.
I know we can do this using the S3 REST Service, but I am more interested
to do it in Flink (may be using Flink Dat
Done.
I replaced KIP -> FLIP and Kafka -> Flink. Still there are some things
we need to rework. Please have a look and propose changes.
https://cwiki.apache.org/confluence/display/FLINK/Flink+Improvement+Proposals
Same for FLIP Template
https://cwiki.apache.org/confluence/display/FLINK/FLIP+Tem
Thank you for your answer! I will take a look at it :-).
Regards,
Kevin
On 08.07.2016 13:18, Matthias J. Sax wrote:
Done.
I replaced KIP -> FLIP and Kafka -> Flink. Still there are some things
we need to rework. Please have a look and propose changes.
https://cwiki.apache.org/confluence/displ
Done.
I replaced KIP -> FLIP and Kafka -> Flink. Still there are some things
we need to rework. Please have a look and propose changes.
https://cwiki.apache.org/confluence/display/FLINK/Flink+Improvement+Proposals
Same for FLIP Template
https://cwiki.apache.org/confluence/display/FLINK/FLIP+Tem
Robert Metzger created FLINK-4178:
-
Summary: CoStreamCheckpointingITCase deadlocks
Key: FLINK-4178
URL: https://issues.apache.org/jira/browse/FLINK-4178
Project: Flink
Issue Type: Bug
Robert Metzger created FLINK-4177:
-
Summary: CassandraConnectorTest.testCassandraCommitter causing
unstable builds
Key: FLINK-4177
URL: https://issues.apache.org/jira/browse/FLINK-4177
Project: Flink
Hi,
come to think of it, the right place to put such checks is actually the
Trigger. It would have to be a custom trigger that observes time but also
keeps some internal state machine to decide when it has observed the right
pattern in the window. Then the window function would just have to do the
Hi Kevin,
welcome to the Flink community!
Did you have a look into the web-page:
https://flink.apache.org/how-to-contribute.html
If you have follow-up question, just go for it :)
-Matthias
On 07/08/2016 10:02 AM, Kevin Jacobs wrote:
> Hi,
>
> I am relatively new to the development process of
Tzu-Li (Gordon) Tai created FLINK-4176:
--
Summary: Travis build fails at flink-connector-kinesis for JDK:
openjdk 7
Key: FLINK-4176
URL: https://issues.apache.org/jira/browse/FLINK-4176
Project: F
Hi,
I am relatively new to the development process of Apache Flink. Where
can I start to help you developing Flink?
Kind regards,
Kevin
@Chen I added a section at the end of the document regarding access to the
elements that are dropped as late. Right now, the section just mentions
that we have to do this but there is no real proposal yet for how to do it.
Only a rough sketch so that we don't forget about it.
On Fri, 8 Jul 2016 at
Hi,
I got this reply from one of the Kafka committers:
Thanks for sharing your intention to use a process similar to our KIP
process. You are more than welcome to copy the structures and docs that we
have for the KIP process. :)
Ismael
So it seems we're good to go. @Matthias, since you are a
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