Hi all,
I am quite neww to Storm so sorry if my question sounds stupid.
I am working with connected devices collecting metrrics through MQTT.
So I have got a source of data with my MQTT server
I will use a spout to store into db this data
I may need depending from the contents of the message to
I'll try to find some time to review it.
On Tue, May 15, 2018 at 11:56 PM Aniket Alhat
wrote:
> Hi Bobby,
>
> Thanks for your reply, indeed SimpleConsumer.scala doesn't support
> extraction of data from Kafka via. Kerberos in which case I'll start
> thinking to upgrade
Jerome,
In these cases typically what you want to do is that you define all of the
options in your topology, but the routing itself can be dynamic. One
pattern I often see is a star like pattern.
Spout -> router.
router -> DBBolt
router -> KafkaBolt
router -> ESBolt
router -> streamingJoin ->
UNSUBSCRIBE
Yes there are ways to disable backpressure by modifying the code, and if
all you want to do is to drop the inserted messages that should be simple
enough to do. Take a look at JCQueue
https://github.com/apache/storm/blob/master/storm-client/src/jvm/org/apache/storm/utils/JCQueue.java
and
Thanks Bobby for this very clear & detailed explanation
Kind regards
On Thu, May 17, 2018 at 5:52 PM, Bobby Evans wrote:
> Jerome,
>
> In these cases typically what you want to do is that you define all of the
> options in your topology, but the routing itself can be
Thanks Bobby, I will look at the JCQueue as you have advised.
Is there any additional considerations I need to be aware of in the netty layer?
warm regards,
ravi
From: Bobby Evans
Sent: Thursday, May 17, 2018 9:38 PM
To: user@storm.apache.org