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    ApsaraMQ for Kafka:Topic issues

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    ApsaraMQ for Kafka:Topic issues

    Last Updated:Jun 17, 2026

    Frequently asked questions about topics in ApsaraMQ for Kafka, including partition limits, storage types, and topic management.

    • Why is the total number of topics (and partitions) limited?

    • Why can't the number of partitions for a topic be reduced?

    • Why are messages sent to a topic unevenly distributed among partitions?

    • What are the storage types for topics?

    • How are the numbers of topics, Groups, and partitions calculated for an instance purchased by topic specification?

    • Why does the partition time for a topic show 1970 or '--'?

    • Why is the partition count not reduced after a topic is deleted?

    • Is the compact cleanup policy supported?

    • What are some common issues with automatic topic creation?

    • Quota on the number of topics for partition addition

    • For an instance purchased by topic specification, how many topics and partitions are covered by the traffic specification?

    • How do I manage skewed topic partitions?

    • How do I manage inactive topics?

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