aggregate composite metrics for cassandra using counters

CubicHyperLogLog is HyperLogLog probabilistic counter optimized for Redis and Cassandra

To store and retrieve time series counters, average, histograms, etc. Support for Postgres, Cassandra, others.

Counter as a service (simple cassandra demo)

Cassandra to Kafka Trigger. This Cassandra trigger able to detect modifications on different data types: UDT, LIST, MAP, SET, TUPLE, COUNTER and primitives.

Cassandra r996701 plus this CASSANDRA-1072 patch https://issues.apache.org/jira/secure/attachment/12454495/CASSANDRA-1072.patch

Sample reference for using CosmosDB Cassandra Counters via CQL and Java data-stax drivers

Sample reference for using CosmosDB Cassandra Counters using spring-data-starter-cassandra

a live-stream emulator of the traffic counter dataset, and cassandra sql implementation

Chat application with MQTT and Cassandra, implementing user registration, login and logout, emoji support, an online/offline user list, message sending, message counters, and alert notifications using Go, HTML, CSS, JavaScript, and HTML5.

Sharded counters example with Cassandra, JRuby and stream-lib

Web-counter for Cassandra

RMW-consistent counter on cassandra

Cassandra-backed Time Series Counter

A Cassandra demo app. Manages accounts to demonstrate Cassandra modeling (Clustering key, denormalisation and counters)

Usage of HyperLogLog counters in Cassandra as user defined aggregates