Message Queue Capacity Planner

Calculate optimal configurations for Kafka, RabbitMQ, and SQS

Workload Parameters

Queue System

Message Rate (msg/sec)

Average Message Size (bytes)

Consumer Processing Time (ms)

ms

Retention Period (hours)

hrs

Max Acceptable Lag (seconds)

sec

Replication Factor

Capacity Plan

Partitions

-

recommended

Consumers

-

minimum needed

Throughput

-

sustainable

Storage

-

required

System Health

Performance Metrics

Messages per partition/sec: -

Consumer throughput: -

Expected lag: -

Bandwidth required: -

Partition Distribution

Throughput vs Consumer Count

System Comparison

System	Partitions/Consumers	Max Throughput	Storage	Best For

Dead Letter Queue Sizing

Failure Rate Assumption

1%

DLQ Messages/Day

-

DLQ Storage/Week

-