Kafka Partition & Throughput Calculator — Data Engineering Tools

Interactive Formula Engine

Apache Kafka Partition & Throughput Calculator

Calculate optimal Kafka topic partition counts from target ingestion throughput, single-partition producer rates, and single-thread consumer bandwidth, with over-partitioning protection checks.

Parameters & Workload Sizing

Target Aggregate Throughput

MB/s

110000

Producer Throughput (Per Partition)

MB/s

1200

Consumer Throughput (Per Partition)

MB/s

0.5200

Projected Outcomes & Metrics

Recommended PartitionsTopic Topology

20 partitions

Minimum partition count to support peak producer and consumer throughput.

Health StatusStability

—

Evaluation against cluster OS file descriptors and leader election overhead.

Partition count is well balanced for parallel consumer group throughput without straining broker OS file handles or Zookeeper/KRaft metadata.

Detailed Metrics Breakdown

Partitions (Producer Bound)

10 parts

Minimum partitions needed to absorb write volume.

Partitions (Consumer Bound)

20 parts

Minimum partitions needed to sustain parallel consumer groups.