Installing the Python Kafka library from Confluent - troubleshooting some silly errors…
System: rmoff@proxmox01:~$ uname -a Linux proxmox01 4.4.6-1-pve #1 SMP Thu Apr 21 11:25:40 CEST 2016 x86_64 GNU/Linux rmoff@proxmox01: »
Why Do We Need Streaming ETL?
(This is an expanded version of the intro to an article I posted over on the Confluent blog. Here I get to be as verbose as »
HOWTO: Oracle GoldenGate + Apache Kafka + Schema Registry + Swingbench
This is the detailed step-by-step if you want to recreate the process I describe in the Confluent blog here I used Oracle's Oracle Developer Days VM, »
Kafka - AdminClient - Connection to node -1 could not be established. Broker may not be available
See also Kafka Listeners - Explained A short post to help Googlers. On a single-node sandbox Apache Kafka / Confluent Platform installation, I was getting this error »
Installing Oracle GoldenGate for Big Data 12.3.1 with Kafka Connect and Confluent Platform
Some notes that I made on installing and configuring Oracle GoldenGate with Confluent Platform. Excuse the brevity, but hopefully useful to share! I used the Oracle »
Where will I be at OpenWorld / Oak Table World?
Here's where I'll be! If you use Google Calendar you can click on individual entries above and select copy to my calendar - which of course »
Apache Kafka™ talks at Oracle OpenWorld, JavaOne, and Oak Table World 2017
There's an impressive 19 sessions that cover Apache Kafka™ at Oracle OpenWorld, JavaOne, and Oak Table World this year! You can find the full list with »
Oracle GoldenGate / Kafka Connect Handler troubleshooting
The Replicat was kapput: GGSCI (localhost.localdomain) 3> info rkconnoe REPLICAT RKCONNOE Last Started 2017-09-12 17:06 Status ABENDED Checkpoint Lag 00:00:00 (updated »
What is Markdown, and Why is it Awesome?
Markdown is a plain-text formatting syntax. It enables you write documents in plain text, readable by others in plain text, and optionally rendered into nicely formatted »
Conferences & Meetups at which I'll be speaking - 2017
I'm excited to be speaking at several conferences and meetups over the next few months. Unsurprisingly, the topic will be Apache Kafka! If you're at any »
Kafka Connect - JsonDeserializer with schemas.enable requires "schema" and "payload" fields
An error that I see coming up frequently in the Kafka Connect community (e.g. mailing list, Slack group, StackOverflow) is: JsonDeserializer with schemas.enable requires »
Simple export/import of Data Sources in Grafana
Grafana API Reference Export all Grafana data sources to data_sources folder mkdir -p data_sources && curl -s "http://localhost:3000/api/datasources" -u »
Linux - USB disk connection problems - uas: probe failed with error -12
Usually connecting external disks in Linux is easy. Plug it in, run fdisk -l or lsblk | grep disk to identify the device ID, and then mount »
Configuring Kafka Connect to log REST HTTP messages to a separate file
Kafka's Connect API is a wondrous way of easily bringing data in and out of Apache Kafka without having to write a line of code. By »
kafka.common.KafkaException: No key found on line 1
A very silly PEBCAK problem this one, but Google hits weren't so helpful so here goes. Running a console producer, specifying keys: kafka-console-producer \ --broker-list localhost:9092 »
Keeping Up with the Deluge
How do you try and stay current on technical affairs, given only 24 hours in a day and a job to do as well? Here's my »
Install qemu on AWS EC2 Amazon Linux
Mucking about with virtual disks, I wanted to install qemu on a AWS EC2 instance in order to use qemu-img. Not finding it in a yum »
Mount VMDK/OVF/OVA on Amazon Web Services (AWS) EC2
So you've got a Linux VM that you want to access the contents of in EC2 - how do you do it? Let's see how. First »
Little Technology Wins
Wireless Headset for VOIP With No 30-Minute Dalek Timebomb A lot of my work is done remotely, with colleagues and customers. Five years ago I bought »
Time For a Change
After 5 years at Rittman Mead, 126 blog posts, 16 conferences, four published OTN articles, an Oracle ACE award - not to mention, of course, a »