Re: Kafka take too long to update the client with metadata when a broker is gone

2016-06-03 Thread Christian
Hi Gerard, When trying to reproduce this, did you use the go sarama client Safique mentioned? On Fri, Jun 3, 2016 at 5:10 AM, Gerard Klijs wrote: > I asume you use a replication factor of 3 for the topics? When I ran some > test with producer/consumers in a dockerized setup, there where only f

Re: Pros and cons of dockerizing kafka brokers?

2016-07-08 Thread Christian
ut 25% more cost, we doubled our vms, using twice as many 1/2 sized EBS volumes. -Christian On Fri, Jul 8, 2016 at 12:07 PM Krish wrote: > Thanks, Christian. > I am currently reading about kafka-on-mesos. > I will hack something this weekend to see if I can bring up a kafka > schedul

Problem connecting to ZooKeeper with Kafka SASL enabled

2017-01-07 Thread Christian
Keeper. setting it to false, gives me this timeout, but only when I also set the -Djava.security.auth... property. I know, I'm missing a small thing. Thanks, Christian

Re: Problem connecting to ZooKeeper with Kafka SASL enabled

2017-01-07 Thread Christian
set that var to false and I got past the problem. On Sat, Jan 7, 2017 at 7:54 AM, Christian wrote: > Hi, > > I'm trying to set up SASL_PLAINTEXT authentication between the > producer/consumer clients and the Kafka brokers only. I am not too worried > about the broker to broker

Kafka SASL_PLAINTEXT and authentication/authorization backend failure

2017-01-19 Thread Christian
from the server side. Is this expected behavior? Thanks, Christian

Re: Kafka SASL_PLAINTEXT and authentication/authorization backend failure

2017-01-19 Thread Christian
7;s going on. > > > Some reading material can be found at: > https://github.com/gerritjvv/kafka-fast/blob/master/kafka-clj/Kerberos.md > > and if you want to see or need for testing a vagrant env with kerberos + > kafka configured see > https://github.com/gerritjvv/kafka-fast/blob/mast

Re: Kafka SASL_PLAINTEXT and authentication/authorization backend failure

2017-01-20 Thread Christian
un.security.krb5.debug=true and > > > -Djava.security.debug=gssloginconfig,configfile, > > configparser,logincontext > > > to see debug info about what's going on. > > > > > > > > > Some reading material can be found at: > &g

Kafka SASL and custom LoginModule and Authorizer

2017-02-25 Thread Christian
ne out there help me? Is the Kafka SASL implementation not meant for such a complicated scenario or am I just thinking about it all wrong? Thanks, Christian

Re: Kafka SASL and custom LoginModule and Authorizer

2017-02-26 Thread Christian
Thank you Harsha! On Sun, Feb 26, 2017 at 10:27 AM, Harsha Chintalapani wrote: > Hi Christian, > Kafka client connections are long-llving connections, > hence the authentication part comes up during connection establishment and > once we authenticate regular kafka p

Re: Is kafka suitable for our architecture?

2014-10-09 Thread Christian Csar
uld not be able to mark jobs as completed except in a strict order (while maintaining a processed successfully at least once guarantee). This is not to say it cannot be done, but I believe your workqueue would end up working a bit strangely if built with Kafka. Christian On 10/09/2014 06:13 AM, Will

Re: Is kafka suitable for our architecture?

2014-10-10 Thread Christian Csar
ly, that's why we are evaluating if only with Kafka is enough. > Because if Storm gives us the same benefits than Kafka it's better to stick > with only one technology to keep everything as simple as possible. > I think it is more a question of will using Storm make managing your

Re: Proper Relationship Between Partition and Threads

2015-01-28 Thread Christian Csar
consumers (two different applications) you would want each to have 4 threads (4*2 = 8 threads total). There are also considerations depending on which consumer code you are using (which I'm decidedly not someone with good information on) Christian On Wed, Jan 28, 2015 at 1:28 PM, Ri

Re: How to mark a message as needing to retry in Kafka?

2015-01-28 Thread Christian Csar
a 'failed messages' store somewhere else and have code that looks in there to make retries happen (assuming you want the failure/retry to persist beyond the lifetime of the process). Christian On Wed, Jan 28, 2015 at 7:00 PM, Guozhang Wang wrote: > I see. If you are using the high-l

Re: Tips for working with Kafka and data streams

2015-02-25 Thread Christian Csar
d in a Kafka focused discussion might be dealt with by covering disk encryption and how the conversations between Kafka instances are protected. Christian On Wed, Feb 25, 2015 at 11:51 AM, Jay Kreps wrote: > Hey guys, > > One thing we tried to do along with the product release was start

Re: Tips for working with Kafka and data streams

2015-02-25 Thread Christian Csar
us towards stream centric land). Christian On Wed, Feb 25, 2015 at 3:57 PM, Jay Kreps wrote: > Hey Christian, > > That makes sense. I agree that would be a good area to dive into. Are you > primarily interested in network level security or encryption on disk? > > -Jay > >

Re: Tips for working with Kafka and data streams

2015-02-25 Thread Christian Csar
hing to be fairly separate from Kafka even if there's a handy optional layer that integrates with it. Christian On Wed, Feb 25, 2015 at 5:34 PM, Julio Castillo < jcasti...@financialengines.com> wrote: > Although full disk encryption appears to be an easy solution, in our case > that

Re: kafka producer does not distribute messages to partitions evenly?

2015-03-02 Thread Christian Csar
two with a single producer you would not expect to see all partitions be hit. Christian On Mon, Mar 2, 2015 at 4:23 PM, Yang wrote: > thanks. just checked code below. in the code below, the line that calls > Random.nextInt() seems to be called only *a few times* , and all the rest &g

Re: Kafka Poll: Version You Use?

2015-03-04 Thread Christian Csar
Do you have a anything on the number of voters, or audience breakdown? Christian On Wed, Mar 4, 2015 at 8:08 PM, Otis Gospodnetic wrote: > Hello hello, > > Results of the poll are here! > Any guesses before looking? > What % of Kafka users are on 0.8.2.x already? > What % o

Re: Node-Kafka Client Review and Question

2013-04-24 Thread Christian Carollo
Hi Everyone, I have been experimenting with the libraries listed below and experienced the same problems. I have not found any another other node clients. I am interested in finding a node solution as well. Happy to contribute on a common solution. Christian Carollo On Apr 24, 2013, at 10

questtion about log.retention.bytes

2013-08-16 Thread Paul Christian
According to the Kafka 8 documentation under broker configuration. There are these parameters and their definitions. log.retention.bytes -1 The maximum size of the log before deleting it log.retention.bytes.per.topic "" The maximum size of the log for some specific topic before deleting it I'm cu

re: questtion about log.retention.bytes

2013-08-19 Thread Paul Christian
Hi Jun, Thank you for your reply. I'm still a little fuzzy on the concept. Are you saying I can have topic A, B and C and with log.retention.bytes.per.topic.A = 15MB log.retention.bytes.per.topic.B = 20MB log.retention.bytes = 30MB And thus topic C will get the value 30MB? Since it's not define

re: questtion about log.retention.bytes

2013-08-20 Thread Paul Christian
Jun, For my first example is that syntax correct? I.e. log.retention.bytes.per.topic.A = 15MB log.retention.bytes.per.topic.B = 20MB I totally guessed there and was wondering if I guessed right? Otherwise is there a document with the proper formatting to full out this map? Thank you, Paul

Re: questtion about log.retention.bytes

2013-08-20 Thread Paul Christian
Neha, Correct, that is my question. We want to investigate capping our disk usage so we don't fill up our hds. If you have any recommended configurations or documents on these setting, please let us know. Thank you, Paul On Tue, Aug 20, 2013 at 6:16 AM, Paul Christian wrote: > Jun,

Re: Kafka behind AWS ELB

2015-05-04 Thread Christian Csar
is EventHubs. Before using Kakfa or any system in production you'll want to be sure you understand the operational aspects of it. Christian > > Thanks for any comments too. :) > > > > > On Mon, May 4, 2015 at 9:03 AM, Mayuresh Gharat < gharatmayures...@gmail.com>

Re: "Topic Created" event

2016-02-12 Thread Christian Posta
Wonder if you can listen to the zkPath for topics via a zk watch ( https://zookeeper.apache.org/doc/r3.3.3/api/org/apache/zookeeper/Watcher.html) to let you know when the structure of the tree changes (ie, add/remove)? The zkPath for topics is "/brokers/topics" https://github.com/chris

Re: 0.9.0.1 RC1

2016-02-17 Thread Christian Posta
kafka-0.9.0.1-candidate1/javadoc/ > > > > * The tag to be voted upon (off the 0.9.0 branch) is the 0.9.0.1 tag > > > > > https://git-wip-us.apache.org/repos/asf?p=kafka.git;a=tag;h=2c17685a45efe665bf5f24c0296cb8f9e1157e89 > > > > * Documentation > > http://kafka.apache.org/090/documentation.html > > > > Thanks, > > > > Jun > > > > > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Enable Kafka Consumer 0.8.2.1 Reconnect to Zookeeper

2016-02-17 Thread Christian Posta
t;group.id", groupId) > > props.put("auto.commit.enabled", "false") > > // this timeout is needed so that we do not block on the stream! > > props.put("consumer.timeout.ms", "1") > > props.put("zookeeper.sync.time.ms", "200") > > > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Enable Kafka Consumer 0.8.2.1 Reconnect to Zookeeper

2016-02-17 Thread Christian Posta
setting in my email above is responsible for > this auto reconnect mechanism? > > On Wed, Feb 17, 2016 at 8:04 PM, Christian Posta < > christian.po...@gmail.com> > wrote: > > > Yep, assuming you haven't completely partitioned that client from the > > cluster,

Re: Resetting Kafka Offsets -- and What are offsets.... exactly?

2016-02-17 Thread Christian Posta
0 1 > > Can someone help me clarify or point me at a doc that explains what is > getting counted here? You can shoot me if you like for attempting the > hack-ish solution of re-setting the offset through the Zookeeper API, but I > would still like to understand what, exactly, is represented by that number > 30024. > > I need to hand off to IT for the Disaster Recovery portion and saying > "trust me, it just works" isn't going to fly very far... > > Thanks. > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Enable Kafka Consumer 0.8.2.1 Reconnect to Zookeeper

2016-02-17 Thread Christian Posta
I believe so. Happy to be corrected. On Wed, Feb 17, 2016 at 12:31 PM, Joe San wrote: > So if I use the High Level Consumer API, using the ConsumerConnector, I get > this automatic zookeeper connection for free? > > On Wed, Feb 17, 2016 at 8:25 PM, Christian Posta < > christi

Re: 0.9.0.1 RC1

2016-02-17 Thread Christian Posta
Awesome, glad to hear. Thanks Jun! On Wed, Feb 17, 2016 at 12:57 PM, Jun Rao wrote: > Christian, > > Similar to other Apache projects, a vote from a committer is considered > binding. During the voting process, we encourage non-committers to vote as > well. We will cancel the re

Re: 0.9.0.1 RC1

2016-02-17 Thread Christian Posta
yep! http://www.apache.org/dev/release-publishing.html#voted On Wed, Feb 17, 2016 at 1:05 PM, Gwen Shapira wrote: > Actually, for releases, committers are non-binding. PMC votes are the only > binding ones for releases. > > On Wed, Feb 17, 2016 at 11:57 AM, Jun Rao wrote: >

Wiki Karma

2016-02-18 Thread Christian Posta
Can someone add Karma to my user id for contributing to the wiki/docs? userid is 'ceposta' thanks! -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Memory leak in new client API (Java) in 0.8.2.1?

2016-02-28 Thread Christian Posta
in case you are aware of any issue that might cause it? > I'm chasing this leak for several days, and managed to track it down to the > code writing to Kafka, so I'm a little desperate :) any help will do. > > Thanks! > > Asaf > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: monitor rebalanace events

2016-03-01 Thread Christian Posta
; consumer level? > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

migrating the main-page docs to gitbook format

2016-03-02 Thread Christian Posta
Would love to have the docs in gitbook/markdown format so they can easily be viewed from the source repo (or mirror, technically) on github.com. They can also be easily converted to HTML, have a side-navigation ToC, and still be versioned along with the src code. Thoughts? -- *Christian Posta

Re: migrating the main-page docs to gitbook format

2016-03-02 Thread Christian Posta
For sure! Will take a look! On Wednesday, March 2, 2016, Gwen Shapira wrote: > Hey! > > Yes! We'd love that too! Maybe you want to help us out with > https://issues.apache.org/jira/browse/KAFKA-2967 ? > > Gwen > > On Wed, Mar 2, 2016 at 2:39 PM, Christian Posta >

Re: Kafka over Satellite links

2016-03-02 Thread Christian Csar
even if the security parts work out for you. Christian On Wed, Mar 2, 2016 at 9:52 PM, Jan wrote: > Hi folks; > does anyone know of Kafka's ability to work over Satellite links. We have a > IoT Telemetry application that uses Satellite communication to send data from > remote

Re: migrating the main-page docs to gitbook format

2016-03-07 Thread Christian Posta
b.com/christian-posta/kafka/tree/ceposta-doco On Thu, Mar 3, 2016 at 6:28 AM, Marcos Luis Ortiz Valmaseda < marcosluis2...@gmail.com> wrote: > I love that too > +1 > > 2016-03-02 21:15 GMT-05:00 Christian Posta : > > > For sure! Will take a look! > > > > On W

Re: Retry Message Consumption On Database Failure

2016-03-09 Thread Christian Posta
e a message and to ensure it makes it to Mongo. (Redelivery is > ok) > > Thanks for any help or pointers in the right direction. > > Michael > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Connect bug in 0.9.0.1 client

2016-03-09 Thread Christian Posta
able to demonstrate that addressing > this case solves my stuck consumer problem. > > How do I submit a bug report for this issue, or does this email constitute > a bug report? > > --Larkin > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Retry Message Consumption On Database Failure

2016-03-10 Thread Christian Posta
> Thanks Christian, >We would want to retry indefinitely. Or at > least for say x minutes. If we don't poll how do we keep the heart beat > alive to Kafka. We never want to loose this message and only want to commit > to Kafka when the message i

Re: New to Kafka

2016-03-11 Thread Christian Posta
page > > https://cwiki.apache.org/confluence/display/KAFKA/Kafka+papers+and+presentations > is > outdated.. > > Thanks in advance.. > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Retry Message Consumption On Database Failure

2016-03-14 Thread Christian Posta
.b > less likely. > > -Jason > > > > On Fri, Mar 11, 2016 at 1:03 AM, Michael Freeman > wrote: > > > Thanks Christian, > > Sending a heartbeat without having to poll > > would also be useful when using a large max

Re: Retry Message Consumption On Database Failure

2016-03-14 Thread Christian Posta
gt; -Jason > > On Mon, Mar 14, 2016 at 11:21 AM, Christian Posta < > christian.po...@gmail.com > > wrote: > > > Jason, > > > > Can you link to the proposal so I can take a look? Would the "sticky" > > proposal prefer to keep partitions assig

Re: Subscribe request

2016-03-15 Thread Christian Posta
to this list to learn and implement Kafka. > > Thanks, > Punya > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Not seeing disk writes on all replica brokers

2016-03-19 Thread Christian Posta
gt; > bookmarks80[0, 1][0, 1] > > bookmarks91[1, 0][1, 0] > > We monitor the disk writes and I only see writes at broker 0, and broker 1 > sees none (not comparable at all). I do see comparable network traffic at &

Re: Kafka list

2016-03-19 Thread Christian Posta
You need to send a mail to users-subscr...@kafka.apache.org http://kafka.apache.org/contact.html On Sat, Mar 19, 2016 at 4:14 AM, Andreas Thoelke wrote: > Hi, > > please add me to the Kafka list. > > Andreas > -- *Christian Posta* twitter: @christianposta http://www.chris

How to reduce time for consumer to take over?

2017-10-09 Thread Christian Schneider
speeded up? I use this in a test and would like to make that test faster. Christian -- -- Christian Schneider http://www.liquid-reality.de <https://owa.talend.com/owa/redir.aspx?C=3aa4083e0c744ae1ba52bd062c5a7e46&URL=http%3a%2f%2fwww.liquid-reality.de> Computer Scientist http://www.adobe.com

Kafa server in cloud very slow to reply

2017-11-26 Thread Christian Schneider
? From the long delay it looks a bit like a reverse DNS issue but I dont know if these can happen with kafka or what to configure to avoid the issue. Christian -- -- Christian Schneider http://www.liquid-reality.de <https://owa.talend.com/owa/redir.aspx?C=3aa4083e0c744ae1ba52bd062c5a7e46&U

Re: Kafka LTS release

2016-03-21 Thread Christian Posta
gt; end > > > up with bugs in production. > > > > > > ​I can volunteer for the release management of the LTS release but as a > > > community, can we follow the rigour of back-porting the bug-fixes to > the > > > LTS branch?​ > > > > > > -- > > > Regards > > > Vamsi Subhash > > > > > > > > > > > -- > > Regards > > Vamsi Subhash > > > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Kafka Connection Pool?

2016-03-21 Thread Christian Posta
ides. > > I think the overhead which happens while establishing connection from > consumer/producer to kafka broker(s) seems a little heavy. > > Thanks in advance! > > Best regards > > bgkim > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Consumer keeps committing to a partition it no longer holds after a rebalance

2016-03-23 Thread Christian Posta
consumer. The respective > consumers do their fetches only on their assigned partitions but the old > consumer still commits the same last offset it had when it was holding on > to that partition At the same time the added consumer commits the correct > offsets. > > Any inputs on what co

Re: dumping JMX data

2016-03-31 Thread Christian Posta
a.tools.JmxTool --object-name > "kafka.consumer:type=FetchRequestAndResponseMetrics,name=FetchRequestRateAndTimeMs,clientId=ReplicaFetcherThread*,brokerHost=hostname*. > cluster.com,brokerPort=*" --jmx-url > service:jmx:rmi:///jndi/rmi://`hostname`:/jmxrmi > > There may

Re: dumping JMX data

2016-04-11 Thread Christian Posta
u, Mar 31, 2016 at 4:36 PM, craig w wrote: > > > > > Including jolokia would be great, I've used for kafka and it worked > well. > > > On Mar 31, 2016 6:54 PM, "Christian Posta" > > > wrote: > > > > > > > What if we added some

Re: Encryption at Rest

2016-04-21 Thread Christian Csar
>From what I know of previous discussions encryption at rest can be handled with transparent disk encryption. When that's sufficient it's nice and easy. Christian On Thu, Apr 21, 2016 at 2:31 PM, Tauzell, Dave wrote: > Has there been any discussion or work on at rest encr

Re: Encryption at Rest

2016-05-02 Thread Christian Csar
re knowledge of the implementation comment further on what would be required. Christian On Mon, May 2, 2016 at 9:41 PM, Bruno Rassaerts wrote: > We did try indeed the last scenario you describe as encrypted disks do not > fulfil our requirements. > We need to be capable of changing en

Re: kafka-run-class.sh

2016-05-06 Thread Christian Posta
6, 2016 at 9:41 AM, Mudit Kumar wrote: > How can i get the list for all the class names i can run through > ./kafka-run-class.sh [class-name] command? > > Thanks, > Mudit -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Zookeeper dies ... Kafka server unable to connect

2016-05-10 Thread Christian Posta
1, initiating session > (org.apache.zookeeper.ClientCnxn) > > > > [2016-05-10 15:41:03,337] INFO Unable to read additional data from > server sessionid 0x1549b308dd20002, likely server has closed socket, > closing socket connection and attempting reconnect > (org.apache.zookeeper.ClientCnxn) > > > > [2016-05-10 15:41:05,121] INFO Opening socket connection to server > 10.0.0.184/10.0.0.184:2181. Will not attempt to authenticate using SASL > (unknown error) (org.apache.zookeeper.ClientCnxn) > > > > [2016-05-10 15:41:05,121] INFO Socket connection established to > 10.0.0.184/10.0.0.184:2181, initiating session > (org.apache.zookeeper.ClientCnxn) > > > > [2016-05-10 15:41:05,122] INFO Unable to read additional data from > server sessionid 0x1549b308dd20002, likely server has closed socket, > closing socket connection and attempting reconnect > (org.apache.zookeeper.ClientCnxn) > > > > > > > > You can see when the first zookeeper dies and connection is lost ... > and all the retries by kafka server in order to connect to the new one > (same IP, same port). > > > > > > > > Why the zookeeper server closes the connection (I can see FIN ACK > frames on Wireshark) > > > > > > > > Thanks, > > > > Paolo. > > > > > > > > Paolo PatiernoSenior Software Engineer (IoT) @ Red Hat > > > > Microsoft MVP on Windows Embedded & IoTMicrosoft Azure Advisor > > > > Twitter : @ppatierno > > > > Linkedin : paolopatierno > > > > Blog : DevExperience > > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Increase number of topic in Kafka leads zookeeper fail

2016-05-16 Thread Christian Posta
tps://twitter.com/anas24aj> [image: linkedin] > > <http://in.linkedin.com/in/anas24aj> [image: googleplus] > > <https://plus.google.com/u/0/+anasA24aj/> > > +917736368236 > > anas.2...@gmail.com > > Bangalore > > > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Producer offset commit API

2016-05-16 Thread Christian Posta
If you're using KafkaConnect, it does it for you! basically you set the sourceRecord's "sourcePartition" and "sourceOffset" fields ( https://github.com/christian-posta/kafka/blob/8db55618d5d5d5de97feab2bf8da4dc45387a76a/connect/api/src/main/java/org/apache/kafka/co

Re: Kafka for event sourcing architecture

2016-05-17 Thread Christian Posta
> > > > internal services which need to process the event to be "done" > > > > processing before returning a response. > > > > > > > > > > > > In theory that's possible - the producer can return the offset of the > > > message

Re: Kafka for event sourcing architecture

2016-05-17 Thread Christian Posta
ther projects, I know that > without the initial pitch / discussion, it could be difficult to get such > feature in. I can create a jira in the morning, no electricity again > tonight :-/ > > Get Outlook for iOS > > > > > On Tue, May 17, 2016 at 4:53 PM -0700, &qu

Re: Kafka for event sourcing architecture

2016-05-18 Thread Christian Posta
s? Let's say I want to push 3 messages > > > > atomically but the producer process crashes after sending only 2 > > > messages, > > > > is it possible to "rollback" the first 2 messages (e.g. "all or > > nothing" > > > > semantics)? > > > > > > > > 3) Does it support request/response style semantics or can they be > > > > simulated? My system's primary interface with the outside world is an > > > HTTP > > > > API so it would be nice if I could publish an event and wait for all > > the > > > > internal services which need to process the event to be "done" > > > > processing before returning a response. > > > > > > > > PS: I'm a Node.js/Go developer so when possible please avoid Java > > centric > > > > terminology. > > > > > > > > Thanks! > > > > > > > > - Oli > > > > > > > > -- > > > > - Oli > > > > > > > > Olivier Lalonde > > > > http://www.syskall.com <-- connect with me! > > > > > > > > > > > > > -- > - Oli > > Olivier Lalonde > http://www.syskall.com <-- connect with me! > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: OffSet checker.

2016-05-18 Thread Christian Posta
a – considering that different consumers within the group > commit to either kafka or Zk ? > > Regards > Sathya, > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: OffSet checker.

2016-05-18 Thread Christian Posta
72.17.0.1/172.17.0.1 > mirrormaker, local.general.example, 0, unknown, 0, unknown, > mirrormaker-0_172.17.0.1/172.17.0.1 > > On Wed, May 18, 2016 at 2:36 PM Christian Posta > > wrote: > > > Maybe give it a try with the kafka-consumer-groups.sh tool and the > >

Re: FW: [ANNOUCE] Apache Kafka 0.10.0.0 Released

2016-05-24 Thread Christian Posta
apache.org/dyn/closer.cgi?path=/kafka/0.10.0.0/kafka_2.10-0.10.0.0 > > .tgz > > > https://www.apache.org/dyn/closer.cgi?path=/kafka/0.10.0.0/kafka_2.11-0.10.0.0 > > .tgz > > > > A big thank you for the following people who have contributed to the > > 0.10.0.0 rele

Re: Scalability of Kafka Consumer 0.9.0.1

2016-06-01 Thread Christian Posta
he multi-threaded to one-thread and subscribing multi-topics?... I'm > just > > wonder whether a KafkaConsumer is able to stand the bunch of data without > > performance degradation. > > > > Thanks in advance! > > > > Best regards > > > > KIM > > > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Does the Kafka Streams DSL support non-Kafka sources/sinks?

2016-06-02 Thread Christian Posta
Kafka topics for now. So, as Gwen > > mentioned, Connect would be the way to go to bring the data to a Kafka > > Topic first. > > Got it — thank you! > > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: where does kafka store consumer offset

2016-06-14 Thread Christian Posta
gt; props.put("autooffset.reset", "smallest"); // > props.put("autocommit.enable", false); KafkaConsumer String> consumer = new KafkaConsumer<>(props); > consumer.subscribe(Arrays.asList("say-hello-test1")); final int &g

Re: Delete Message From topic

2016-06-14 Thread Christian Posta
Might be worth describing your use case a bit to see if there's another way to help you? On Tue, Jun 14, 2016 at 5:29 AM, Mudit Kumar wrote: > Hey, > > How can I delete particular messages from particular topic?Is that > possible? > > Thanks, > Mudit > >

Re: Expired messages in kafka topic

2016-06-23 Thread Christian Posta
it in some > topic till as such time that a service can dequeue, process it and/or > investigate it. > > Thanks. > > Best, > Krish > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Re: Pros and cons of dockerizing kafka brokers?

2016-07-07 Thread Christian Posta
; resources; I can also ensure that it runs on a dedicated machine. > > Thanks. > > Best, > Krish > -- *Christian Posta* twitter: @christianposta http://www.christianposta.com/blog http://fabric8.io

Possible bug? Duplicates when searching kafka stream state store with caching

2018-06-29 Thread Christian Henry
Hi all, I'll first describe a simplified view of relevant parts of our setup (which should be enough to repro), describe the behavior we're seeing, and then note some information I've come across after digging in a bit. We have a kafka stream application, and one of our transform steps keeps a st

Re: Possible bug? Duplicates when searching kafka stream state store with caching

2018-07-02 Thread Christian Henry
e a good way to efficiently query all of the most recent data. Note that since the healthcheck punctuator needs to aggregate on all the recent values, it has to do a *fetchAll(start, end) *which is how these duplicates are affecting us. On Fri, Jun 29, 2018 at 7:32 PM, Guozhang Wang wrote: > Hello Ch

Re: Possible bug? Duplicates when searching kafka stream state store with caching

2018-07-03 Thread Christian Henry
m `true`? > > Thanks, > Damian > > On Mon, 2 Jul 2018 at 17:29 Christian Henry > wrote: > > > We're using the latest Kafka (1.1.0). I'd like to note that when we > > encounter duplicates, the window is the same as well. > > > > My original code was a b

Re: Possible bug? Duplicates when searching kafka stream state store with caching

2018-07-06 Thread Christian Henry
Any other ideas here? Should I create a bug? On Tue, Jul 3, 2018 at 1:21 PM, Christian Henry wrote: > Nope, we're setting retainDuplicates to false. > > On Tue, Jul 3, 2018 at 6:55 AM, Damian Guy wrote: > >> Hi, >> >> When you create your window store do

GDPR compliance

2020-08-19 Thread Apolloni, Christian
gestions we would be very interested in your opinion. We are also interested in general about experiences in implementing GDPR compliance in Kafka, especially when dealing with multiple, interconnected systems. Kind regards, --  Christian Apolloni Disclaimer: The contents of this email and a

Re: GDPR compliance

2020-08-19 Thread Apolloni, Christian
On 2020/08/19 16:15:40, Nemeth Sandor wrote: > Hi Christian,> Hi, thanks for your reply. > depending on how your Kafka topics are configured, you have 2 different> > options:> > > a) if you have a non-log-compacted then you can set the message retention> > on the

Re: GDPR compliance

2020-08-19 Thread Apolloni, Christian
e whether our understanding is correct and whether it's a bug or not. In general, I think part of the issue is that the system receives the delete order at the time that it has to be performed: we don't deal with the processing of the required waiting periods, that's what happe

Re: GDPR compliance

2020-08-19 Thread Apolloni, Christian
As alternative solution we also investigated encryption: encrypting all messages with an individual key and removing the key once the "deletion" needs to be performed. Has anyone experience with such a solution? --  Christian Apolloni Disclaimer: The contents of this ema

Re: GDPR compliance

2020-08-19 Thread Apolloni, Christian
it-lon19/handling-gdpr-apache-kafka-comply-freaking-out/ That's what sparked our interest in such a solution. Kind regards, --  Christian Apolloni Disclaimer: The contents of this email and any attachment thereto are intended exclusively for the attention of the addressee(s). The email and a

Use case: Per tenant deployments talking to multi tenant kafka cluster

2021-12-08 Thread Christian Schneider
think in worst case we can make this happen by encrypting the messages but it would be great if we could filter on broker side. Christian -- -- Christian Schneider http://www.liquid-reality.de Computer Scientist http://www.adobe.com

Re: Use case: Per tenant deployments talking to multi tenant kafka cluster

2021-12-08 Thread Christian Schneider
do we still need a custom producer partitioner or is it enough to simply assign to the topic like described above? Christian Am Mi., 8. Dez. 2021 um 11:19 Uhr schrieb Luke Chen : > Hi Christian, > Answering your question below: > > > Let's assume we just have one topic wi

Custom plugin to filter on kafka server side

2021-12-08 Thread Christian Schneider
kafka broker side. Christian -- -- Christian Schneider http://www.liquid-reality.de Computer Scientist http://www.adobe.com

GlobalKTable with RocksDB - queries before state RUNNING?

2023-11-21 Thread Christian Zuegner
thread-1) new file processed Thanks for any input! Christian

RE: GlobalKTable with RocksDB - queries before state RUNNING?

2023-11-22 Thread Christian Zuegner
s will work and behave like with IN_MEMORY StoreType as it is straight forward to use. Do you see a chance to get InteractiveQueryV2 work with GlobalKTable? Kind regards, Christian -Original Message- From: Sophie Blee-Goldman Sent: Wednesday, November 22, 2023 1:51 AM To: christ

Installing kafka

2024-07-08 Thread Christian Scharrer
Hi there, when wanting to install Kafka using the command tar -xzf kafka_2.13-3.7.1.tgz my Mac says no, produces the following error message: tar: Error opening archive: Failed to open 'kafka_2.13-3.7.1.tgz' Any idea how I can still install Kafka? Thanks for helping. Christian

Re: Kafka security

2017-04-11 Thread Christian Csar
ur company. Christian On Apr 11, 2017 11:10, "IT Consultant" <0binarybudd...@gmail.com> wrote: Thanks for your response . We aren't allowed to hard code password in any of our program On Apr 11, 2017 23:39, "Mar Ian" wrote: > Since is a java property y

Kafka and no guarantee that every published message is actually received by the broker

2014-02-04 Thread Christian Schuhegger
described above to address the durability issue for more critical data were realized? Many thanks, -- Christian Schuhegger

0.8.1 Java Producer API Callbacks

2014-05-01 Thread Christian Csar
r/KafkaProducer.java#L151 for reference)? Looking around it seems plausible the language in the documentation might refer to a separate sort of callback that existed in 0.7 but not 0.8. In our use case we have something useful to do if we can detect messages failing to be sent. Christian signa

Re: 0.8.1 Java Producer API Callbacks

2014-05-01 Thread Christian Csar
On 05/01/2014 07:22 PM, Christian Csar wrote: > I'm looking at using the java producer api for 0.8.1 and I'm slightly > confused by this passage from section 4.4 of > https://kafka.apache.org/documentation.html#theproducer > "Note that as of Kafka 0.8.1 the asy

Re: Which producer to use?

2014-06-23 Thread Christian Csar
of an Async callback. Christian On 06/23/2014 04:54 PM, Guozhang Wang wrote: > Hi Kyle, > > We have not fully completed the test in production yet for the new > producer, currently some improvement jiras like KAFKA-1498 are still open. > Once we have it stabilized in production at

Re: EBCDIC support

2014-08-25 Thread Christian Csar
ing a given conversion. That way you will avoid losing information, particularly if you expect any of your conversion tools to be of more general use. Christian On 08/25/2014 05:36 PM, Gwen Shapira wrote: > Personally, I like converting data before writing to Kafka, so I can > easily s

Re: Handling send failures with async producer

2014-08-26 Thread Christian Csar
. My call back ends up putting information about the call to beanstalk into another executor service for later processing. Christian On 08/26/2014 12:35 PM, Ryan Persaud wrote: > Hello, > > I'm looking to insert log lines from log files into kafka, but I'm concerned > with

Re: Use case

2014-09-05 Thread Christian Csar
make aspects of building such a chat system much much easier (you can avoid writing your own message replication system) but it is definitely not plug and play using topics for users. Christian On 09/05/2014 09:46 AM, Jonathan Weeks wrote: > +1 > > Topic Deletion with 0.8.1.1 is extremely

When will Kafka without ZooKeeper be GA?

2021-12-14 Thread Christian A. Mathiesen
feature be GA or considered as stable? Best regards, Christian A. Mathiesen

My Docker Kafka image

2017-11-26 Thread Christian F. Gonzalez Di Antonio
I would like to share my @apachekafka <https://twitter.com/apachekafka> @Docker <https://twitter.com/Docker> image! with all of you. The Documentation is a work in progress! https://hub.docker.com/r/christiangda/kafka/ Regards, Christian

My kafka docker image

2017-11-29 Thread Christian F. Gonzalez Di Antonio
tside kafka itself configuration. it was not tested on Kubernates, but I expect to do that soon. feel free to let me know your feedback on the github's repository Regards, Christian

Re: My kafka docker image

2017-11-29 Thread Christian F. Gonzalez Di Antonio
El mié., 29 nov. 2017 9:09 PM, Christian F. Gonzalez Di Antonio < christian...@gmail.com> escribió: > uhh, so sorry, I forgot it. > > Dockek Hub: https://hub.docker.com/r/christiangda/kafka/ > > Github: https://github.com/christiangda/docker-kafka > > Regards, > &

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