Re: Pulling Snapshots from Kafka, Log compaction last compact offset

2015-05-13 Thread Jonathan Hodges
be an issue. Planning to give this more thought :) Gwen On Fri, May 1, 2015 at 7:56 PM, Jonathan Hodges hodg...@gmail.com wrote: Hi Gwen, As you said I see Bottled Water and Sqoop managing slightly different use cases so I don't see this feature as a Sqoop killer. However I did have

Re: Pulling Snapshots from Kafka, Log compaction last compact offset

2015-05-02 Thread Jonathan Hodges
Hi Gwen, As you said I see Bottled Water and Sqoop managing slightly different use cases so I don't see this feature as a Sqoop killer. However I did have a question on your comment that the transaction log or CDC approach will have problems with very large, very active databases. I get that

Re: Database Replication Question

2015-03-04 Thread Jonathan Hodges
Yes you are right on the oplog per partition as well as that mapping well to the Kafka partitions. I think we are making this harder than it is based on previous attempts and trying to leverage something like Databus for propagating log changes from MongoDB and Cassandra since it requires a scn.

Re: Database Replication Question

2015-03-04 Thread Jonathan Hodges
. That does mean that all data from all tables is in a single topic. I will probably have a consumer that will read that all tables topic, and split the data out into separate topics, for consumers who just want a subset of the data. -James On Mar 4, 2015, at 9:28 AM, Jonathan Hodges hodg

Re: Hadoop Summit Meetups

2014-06-10 Thread Jonathan Hodges
picked up by the remaining ones. You can use partition id and the offset of each message as its UUID if needed. Thanks, Jun On Wed, Jun 4, 2014 at 10:56 AM, Jonathan Hodges hodg...@gmail.com wrote: Sorry

Re: Hadoop Summit Meetups

2014-06-04 Thread Jonathan Hodges
Hi Neha, Thanks so much to you and the Kafka team for putting together the meetup. It was very nice and gave people from out of town like us the ability to join in person. We are the guys from Pearson Education and we talked a little about supplying some details on some of our use cases with

Fwd: Hadoop Summit Meetups

2014-06-04 Thread Jonathan Hodges
Sorry didn't realize the mailing list wasn't copied... -- Forwarded message -- From: Jonathan Hodges hodg...@gmail.com Date: Wed, Jun 4, 2014 at 10:56 AM Subject: Re: Hadoop Summit Meetups To: Neha Narkhede neha.narkh...@gmail.com We have a number of customer facing online

Re: Kafka integration...

2014-04-15 Thread Jonathan Hodges
We are also using straight Java. I am not sure if Spring/Camel supports past 0.8 beta. On Mon, Apr 14, 2014 at 9:39 PM, Otis Gospodnetic otis.gospodne...@gmail.com wrote: In our case it's straight Java. Otis -- Performance Monitoring * Log Analytics * Search Analytics Solr

Hadoop Summit Meetups

2014-04-11 Thread Jonathan Hodges
With the Hadoop Summit in San Jose 6/3 - 6/5 I wondered if any of the LinkedIn geniuses were thinking of putting together a meet-up on any of the associated technologies like Kafka, Samza, Databus, etc. For us poor souls that don't live on the West Coast it was a great experience attending the

Re: Hadoop Summit Meetups

2014-04-11 Thread Jonathan Hodges
Thanks so much, Neha! On Fri, Apr 11, 2014 at 10:31 AM, Neha Narkhede neha.narkh...@gmail.comwrote: Yes, that's a great idea. I can help organize the meetup at LinkedIn. Thanks, Neha On Fri, Apr 11, 2014 at 8:44 AM, Saurabh Agarwal (BLOOMBERG/ 731 LEXIN) sagarwal...@bloomberg.net

Re: Kafka and authentication

2014-04-08 Thread Jonathan Hodges
+1 for security branch We are willing to assist with the merge. On Wed, Apr 2, 2014 at 8:32 AM, Joe Stein joe.st...@stealth.ly wrote: Hi Raja, do you have an ICLA https://www.apache.org/licenses/icla.txt on file with Apache? One thought would be to branch a security branch at the commit

Producer SSL?

2013-11-15 Thread Jonathan Hodges
Hi, While searching the user group messages I found the following thread - http://grokbase.com/t/kafka/users/138vqq1x07/getting-leadernotavailableexception-in-console-producer-after-increasing-partitions-from-4-to-16. It shows the following stack trace with 0.8. [2013-08-27 08:29:30,372] INFO

Re: Producer SSL?

2013-11-15 Thread Jonathan Hodges
wrote: Hi Jonathan We forked kafka to add SSL feature. It not part of kafka official release Sent from my iPhone On Nov 15, 2013, at 12:32 PM, Jonathan Hodges hodg...@gmail.com wrote: Hi, While searching the user group messages I found the following thread - http

General LinkedIn Question

2013-07-26 Thread Jonathan Hodges
Hi LinkedIn Guys and Girls, Out of curiosity do you guys use any other messaging systems within LinkedIn besides Kafka? For instance, are there any more complex messaging use cases requiring something like JMS or AMQ? We recently replaced a JMS solution in favor of Kafka for a particular use

Re: kafka.common.FailedToSendMessageException: Failed to send messages after 3 tries.

2013-06-25 Thread Jonathan Hodges
Hi Florin, I work with Yogesh so it is interesting you mention the 'metadata.broker.list' property as this was the first error message we saw. Consider the following producer code. Properties props = new Properties(); props.put(broker.list, x.x.x.x:9092, x.x.x.x :9092, x.x.x.x :9092, x.x.x.x

Re: About Kafka Users Group around Hadoop Summit

2013-06-20 Thread Jonathan Hodges
day will work for me. I am waiting for you to decide on time so that I can book my ticket accordingly! Regards, Vaibhav On Tue, May 21, 2013 at 4:47 AM, Jonathan Hodges hodg...@gmail.com wrote: Tuesday or Thursday works the best for me as I plan

Re: About Kafka Users Group around Hadoop Summit

2013-06-20 Thread Jonathan Hodges
, Jun On Thu, Jun 20, 2013 at 4:41 AM, Jonathan Hodges hodg...@gmail.com wrote: Hi Neha, Any update on the Thursday evening meeting venue? Thanks, Jonathan On Tue, May 28, 2013 at 6:29 PM, Neha Narkhede neha.narkh...@gmail.com wrote: Vaibhav, You can plan

0.8 Durability Question

2013-06-13 Thread Jonathan Hodges
Looking at Jun’s ApacheCon slides ( http://www.slideshare.net/junrao/kafka-replication-apachecon2013) slide 21 titled, ‘Data Flow in Replication’ there are three possible durability configurations which tradeoff latency for greater persistence guarantees. The third row is the ‘no data loss’

Re: Arguments for Kafka over RabbitMQ ?

2013-06-13 Thread Jonathan Hodges
, Jonathan Hodges hodg...@gmail.com wrote: Hi Tim, While your comments regarding durability are accurate for 0.7 version of Kafka, it is a bit greyer with 0.8. In 0.8 you have the ability to configure Kafka to have the durability you need. This is what I was referring to with the link

Re: Arguments for Kafka over RabbitMQ ?

2013-06-08 Thread Jonathan Hodges
On Sat, Jun 8, 2013 at 2:09 AM, Jonathan Hodges hodg...@gmail.com wrote: Thanks so much for your replies. This has been a great help understanding Rabbit better with having very little experience with it. I have a few follow up comments below. Happy to help! I'm afraid I don't follow your

Re: Arguments for Kafka over RabbitMQ ?

2013-06-08 Thread Jonathan Hodges
a new consumer and/or partition appears, can messages in the broker get moved from one partition to another? On Sat, Jun 8, 2013 at 12:53 PM, Jonathan Hodges hodg...@gmail.com wrote: On Sat, Jun 8, 2013 at 2:09 AM, Jonathan Hodges hodg...@gmail.com wrote: Thanks so much for your replies

Re: Arguments for Kafka over RabbitMQ ?

2013-06-07 Thread Jonathan Hodges
to manage the beast as it grows will allow me to get to sleep way more easily. On Thu, Jun 6, 2013 at 3:28 PM, Jonathan Hodges hodg...@gmail.com wrote: We just went through a similar exercise with RabbitMQ at our company with streaming activity data from our various web properties. Our

Re: Arguments for Kafka over RabbitMQ ?

2013-06-07 Thread Jonathan Hodges
if you wanted to share the same stream of messages across multiple consumers. On Fri, Jun 7, 2013 at 12:03 PM, Jonathan Hodges hodg...@gmail.com wrote: Hi Alexis, I appreciate your reply and clarifications to my misconception about Rabbit, particularly on the copying of the message payloads

Re: Arguments for Kafka over RabbitMQ ?

2013-06-07 Thread Jonathan Hodges
: Jonathan, On Fri, Jun 7, 2013 at 7:03 PM, Jonathan Hodges hodg...@gmail.com wrote: Hi Alexis, I appreciate your reply and clarifications to my misconception about Rabbit, particularly on the copying of the message payloads per consumer. Thank-you! It sounds like it only copies

Re: Apache Kafka in AWS

2013-05-22 Thread Jonathan Hodges
Awesome right up Jason! Very helpful as we are also looking to build a Kafka environment in AWS. I am curious, are you using Kafka 0.7.2 or 0.8 in your tests? Did you have just one EBS volume per broker instance or RAID 10 across EBS volumes per broker? Thanks again for the great info!

Re: About Kafka Users Group around Hadoop Summit

2013-05-20 Thread Jonathan Hodges
Great idea Vaibhav! I would also be interested in this as I live in Denver and don't get to the Bay area too often. -Jonathan On Mon, May 20, 2013 at 2:35 PM, Vaibhav Puranik vpura...@gmail.com wrote: Jun and Neha, Is there any plan for Kafka Users group meeting around Hadoop Summit? It

Re: Transactional writing

2013-03-28 Thread Jonathan Hodges
this information. Thanks, Jun On Wed, Mar 27, 2013 at 2:41 PM, Jonathan Hodges hodg...@gmail.com wrote: I know this is a really old thread, but it looked like the only pertinent one that came up when searching for ‘exactly once’ in the archives. I just want to confirm my understanding

Re: Anyone working on a Kafka book?

2013-03-23 Thread Jonathan Hodges
Many thanks for contributing! The docs are very helpful. I found a couple small possible typos. The partitioning code example looks like it repeats at the bottom with duplicate import and class definition statements. Also the create topic command-line appears to have an extra '-' for the