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 »
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 »
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 »
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 »
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 »
I use BigDataLite for a lot of my sandboxing work. This is a OVA provided by Oracle which can be run on VirtualBox, VMWare, etc and »
Using the holt function in Timelion to do anomaly detection on Metricbeat data in Kibana: Expression: $thres=0.02, .es(index='metricbeat*',metric='max:system. »
The world beyond batch: Streaming 101 The world beyond batch: Streaming 102 Data architectures for streaming applications SE-Radio Episode 272: Frances Perry on Apache Beam (img »
By default, the kafka-avro-console-producer will assume that the schema registry is on port 8081, and happily connect to it. Unfortunately, this can lead to some weird »
tl;dr Make sure that key.converter.schema.registry.url and value.converter.schema.registry.url are specified, and that there are no trailing whitespaces. I've »
I hit this error running Kafka Connect HDFS connector from Confluent Platform v3.1.1 on BigDataLite 4.6: [oracle@bigdatalite ~]$ connect-standalone /etc/schema-registry/connect-avro-standalone.properties »
Presented without comment, warranty, or context - other than these might help a wandering code hacker. When using SigV4, you must specify a 'host' parameter boto. »
Similar to the previous issue, the sample config in the docs causes another snafu: OGG-15051 Java or JNI exception: oracle.goldengate.util.GGException: Class not found: »
In the documentation for the current release of Oracle GoldenGate for Big Data (12.2.0.1.1.011) there's a helpful sample configuration, which isn't »
There are various reasons for this error, but the one I hit was that the table name is case sensitive, and returned from Oracle by the »
I've been doing some noodling around with Confluent's Kafka Connect recently, as part of gaining a wider understanding into Kafka. If you're not familiar with Kafka »
With my new server I bought a UPS, partly just as a Good Thing, but also because I suspect a powercut fried the motherboard on a »
Trying to use SparkSQL to read a JSON file, from either pyspark or spark-shell, I got this error: java.io.IOException: No input paths specified in »
TL;DR When defining networking on Proxmox 4 LXC containers, use an appropriate CIDR suffix (e.g. 24) - don't use 32! On my Proxmox 4 »
(Ref) The bit that caught me out was this kept failing with Error: Password not present and a Python stack trace that ended with subprocess.CalledProcessError: »