dubcl

Kafka Topics

List existing topics

bin/kafka-topics.sh --zookeeper localhost:2181 --list

Describe a topic

bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic mytopic

Purge a topic

bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --config retention.ms=1000

... wait a minute ...

dubcl

# Calculate the latest and earliest offsets, and provide the total # of messages in the topic (the difference):

#!/bin/bash
if [[ $# -eq 0 ]] ; then
    echo 'provide the name of a topic to get totals against'
    exit 0
fi
latest=`bin/kafka-run-class.sh kafka.tools.GetOffsetShell --broker-list localhost:9092 --topic $1 --time -1 --offsets 1 | awk -F ":" '{sum += $3} END {print sum}'`
earliest=`bin/kafka-run-class.sh kafka.tools.GetOffsetShell --broker-list localhost:9092 --topic $1 --time -2 --offsets 1 | awk -F ":" '{sum2 += $3} END {print sum2}'`
total=`expr $latest - $earliest`

dubcl

-- Changing spotify notifications.
naughty.config.presets.spotify = { 
    -- if you want to disable Spotify notifications completely, return false
    callback = function(args)
        return true
    end,

    -- Adjust the size of the notification
    height = 100,
    width  = 400,