Surprisingly high network traffic between kafka servers
Hello, I'm running a 0.8.0 Kafka cluster of 3 servers. The service that it is for is not in full production yet, so the data written to cluster is minimal (seems to average between 100kb/s ->...
View ArticleGaussian Mixture Model for Fuzzy Clustering
Hi All, i am trying to use Mahout's clustering capabilities to do soft clustering on multidimensional data. I was wondering if there are any plans for implementing GMM in similar lines with fuzzy-K...
View ArticleTopic messages enqueued X but dequeued is less than the X
Having a simple topic created for 1 consumer subscription, sending X no. of messages from producer but only (X-y) no. of messages are getting consumed in the onMessage(). The admin console attached...
View ArticleSamsung & Windows
HI everybody, i know it's a mayor issue to touch...but, i need to stay tuned about it... I read Samsung is presenting their first Windows Phone "Huron" so, if another big "actor" of the tech theatre,...
View ArticleIt would be nice to be able to read Kafka topics in reverse.
Hi, Here is a use case that we would like to see kafka’s client support in the future. Currently reading a topic is FIFO. It would be awesome to read a topic in LIFO order. Put another way we would...
View ArticleGuiceCamelContext checked exception issue with Glassfish4
I am trying to run my application in Glassfish 4 and I am getting the error below which is due to Exception being thrown in the @PostContruct method. According to the J2EE spec methods with the...
View Articlewhat is the maximum watches allowed per znode
Hi, I am wondering if there is any limit as to how many watches can be allowed per znode in the zookeeper quorum and how is this determined? Also, does having so many watches on lot of znodes affect...
View ArticleXmlAccessorOrder and inheritance
I am using cxf 2.3.11. I have a base class called InvoiceBase and a derive class called Invoice in my web service. Some elements are present in the base and some in the child. When I call a method that...
View ArticleIntegrate Wicket and Nutch for Google Summer of Code 2014
Hi users@, My name is Lewis, I am a committer over on Apache Nutch. I'm writing to the users@ list in an attempt to interest students in participating in this years GSoC[0]. The idea is to create a...
View ArticleHow does a kafka of one have issues becoming a leader? ERROR Error while...
Hi, How does a kafka of one have issues becoming a leader? I am using kafka 8.0. Should I just ignore this error? How would I resolve? I just have one kafka server in dev. Below is how I start kafka:...
View Articledeleting durable subscriber exception
Hi, Getting the following exception when attempting to delete the durable subscriber in the admin console. Using 5.9.0. 2014-02-06 15:25:44,042 | WARN | /admin/deleteSubscriber.action |...
View ArticleGet combined result csv of distributed testing from non-gui mode
Hello All, I am doing load testing of my application with 2500 thread per hour for 24 hours and now for some time jmeter unable to connect with application server and return error like...
View ArticleUsing CXF with EJB Web Services Weblogic 11g
Hi, I'm wondering what the easiest way is to use EJB Web Services (JSR-109) with CXF inside Weblogic 11g? I've been following:...
View ArticleClosing socket for /222.127. xxx.xxx because of error (kafka.network.Processor)
Hi, I am using the python brod library to write to kafka 8.0. I am on a 2 core server with 4 gigs of ram on ubuntu 12.04 I have zero clue what the below error means. How do I tweak kafka to get it to...
View ArticleInvalid "mapreduce.jobtracker.address" configuration value for LocalJobRunner...
I have the following error, which makes no sense - because my configuration is correct... hivecluster2:8021 is the jobtracker. Any idea what I'm supposed to do? grunt> bluecoat = LOAD...
View ArticleChanging partition broker leader
Hi, My cluster has 5 topics and each has 1 partition. Each topic has 4 replicas. For some reasons, the broker leaders of all topics are pointing the same box. Is there a way for me to shuffle the...
View ArticleDirectory with avro files to HDFS
Hi all, I have users writing AVRO files in different server and I want to use Flume to move all those files into HDFS using Flume. So I can later use Hive or Pig to query/analyse the data. On the...
View ArticleSONAR not able to analyse Jacoco report generated by maven
Hi All, I am new to maven and we are trying to integrate our projects code coverage generated using maven into SONAR.I have followed the steps after searching through forums and my maven build...
View ArticleActivating a profile (add its build.plugins) from a plugin during validate phase
Hi, Is it possible to activate a profile programmatically from a Mojo (or a plugin lifecycle extension) in Maven 3? I am trying to understand whether or not I can add the "build.plugins" from an...
View ArticleCamel Vert.x problems
Hi! Im trying to do some initial testing of the new Vert.x component but having some issues. Firstly, in default configuration, the Vert.x component is using port 5701 which is the same as Hazelcast...
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