Can't send json array as configuration

2016-10-03 Thread dhanuka ranasinghe
Hi All, When trying to reconfigure kafka standalone connector I am getting below Exception. Could you please help on this? Caused by: com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of java.lang.String out of START_ARRAY token Error payload: {"connector.class"

Kafka-Mulesoft integration

2016-10-03 Thread Tanvi Aggarwal
Hi Team, I am trying to integrate Mulesoft and Kafka. Getting below error while running the project -- org.apache.kafka.common.errors.ApiException: The configured groupId is invalid And there is no standard field to set groupId in Mulesoft. Can you please help if it has something to do with the

Re: Kafka retention hooks

2016-10-03 Thread Radoslaw Gruchalski
John, AFAIK not, however, this was suggested as part of the following JIRA: https://issues.apache.org/jira/browse/KAFKA-3726 Feel free to upvote. – Best regards, Radek Gruchalski ra...@gruchalski.com On October 4, 2016 at 12:17:08 AM, John Vines (jvi...@gmail.com) wrote: Obligatory sorry if I

Kafka retention hooks

2016-10-03 Thread John Vines
Obligatory sorry if I missed it, but I looked at couldn't find anything. Does Kafka support any sort of actions to perform when an event gets truncated due to the retention policy? Background: I'm looking into using kafka to augment our existing rigid data flow by using it as a messaging system,

What happens after broker reaches disk write limit

2016-10-03 Thread Jiayue Zhang (Bravo)
Hi, My Kafka version is 0.8.2.2 Replica factor is 2. auto.leader.rebalance.enable=true I stopped a broker in my cluster. After a few minutes I started this broker. The broker was busy catching up huge lag and reached 120MB/s disk write limit. Additionally there are 23 partitions whose only undead

Re: SSL Kafka 0.9.0.1

2016-10-03 Thread Harsha Chintalapani
Shri, SSL in 0.9.0.1 is not beta and can be used in production. If you want to put authorizer on top of SSL to enable ACLs for clients and topics that's possible too. Thanks, Harsha On Mon, Oct 3, 2016 at 8:30 AM Shrikant Patel wrote: > We are are 0.9.0.1 and want to use SSL for ACL and

Re: offset topics growing huge

2016-10-03 Thread Ali Akhtar
Newbie question, but what exactly does log.cleaner.enable=true do, and how do I know if I need to set it to be true? Also, if config changes like that need to be made once a cluster is up and running, what's the recommended way to do that? Do you killall -12 kafka and then make the change, and the

Re: offset topics growing huge

2016-10-03 Thread Tom Crayford
Yes, offset topic compaction is just the normal compaction. Thanks Tom Crayford Heroku Kafka On Monday, 3 October 2016, Tobias Adamson wrote: > Hi > We are using Kafka 0.10.1 with offsets commits being stored inside of Kafka > After a while these topics become extremely large and we are wonder

offset topics growing huge

2016-10-03 Thread Tobias Adamson
Hi We are using Kafka 0.10.1 with offsets commits being stored inside of Kafka After a while these topics become extremely large and we are wondering if we need to enable log.cleaner.enable=true (currently false) to make sure the internal offset topics get compacted and keep their size down? Reg

Re: Kafka 0.10.1 ProcessorTopologyTestDriver and WindowedStreamPartitioner issue

2016-10-03 Thread Guozhang Wang
I have pushed a hotfix to both trunk and 0.10.1, could you check if the issue is resolved by now? On Mon, Oct 3, 2016 at 7:18 AM, Hamidreza Afzali < hamidreza.afz...@hivestreaming.com> wrote: > Thanks Guozhang. We use ProcessorTopologyTestDriver for unit tests. > > Hamid > > > > On 28 Sep 2016, a

SSL Kafka 0.9.0.1

2016-10-03 Thread Shrikant Patel
We are are 0.9.0.1 and want to use SSL for ACL and securing communication between borker, producer and consumer. Was \ Is the SSL based ACL in beta for this version of Kafka??? We don't want upgrade to 0.10.x unless it absolutely needed. Thanks, Shri ___

Re: Kafka streaming and topic filter whitelist

2016-10-03 Thread Damian Guy
They will be automatically added and removed. On Mon, 3 Oct 2016 at 14:59 Gary Ogden wrote: > What if topics are created or deleted after the application has started? > Will they be added/removed automatically, or do we need to restart the > application to pick up the changes? > > On 1 October 2

Re: Kafka 0.10.1 ProcessorTopologyTestDriver and WindowedStreamPartitioner issue

2016-10-03 Thread Hamidreza Afzali
Thanks Guozhang. We use ProcessorTopologyTestDriver for unit tests. Hamid > On 28 Sep 2016, at 11:48 AM, Hamidreza Afzali > wrote: > > Hi, > > We are using the latest Kafka 0.10.1 branch. The combination of > ProcessorTopologyTestDriver and WindowedStreamPartitioner is resulting in a > div

Re: Kafka streaming and topic filter whitelist

2016-10-03 Thread Gary Ogden
What if topics are created or deleted after the application has started? Will they be added/removed automatically, or do we need to restart the application to pick up the changes? On 1 October 2016 at 04:42, Damian Guy wrote: > That is correct. > > On Fri, 30 Sep 2016 at 18:00 Gary Ogden wrote:

kafka streams with dynamic content and filtering

2016-10-03 Thread Gary Ogden
I have a use case, and I'm wondering if it's possible to do this with Kafka. Let's say we will have customers that will be uploading JSON to our system, but that JSON layout will be different between each customer. They are able to define the schema of the JSON being uploaded. They will then be a

Re: Is Kafka 8 user compatible with kafka 10 broker?

2016-10-03 Thread Gerard Klijs
I think, but don't know for sure, it doesn't matter for consumers, since the messages you read are still 'old' images. I would expect errors van you use an old producer, and/or when consuming the record from the old producer. On Mon, Oct 3, 2016 at 7:09 AM Nikhil Goyal wrote: > Hi guys, > > I cr