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    ApsaraMQ for Kafka:FAQ about topics

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    ApsaraMQ for Kafka:FAQ about topics

    Last Updated:Jan 10, 2025

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

    • Why cannot I reduce partitions for a topic?

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

    • What are the types of topic storage?

    • What are the number of topics, groups, and partitions if an existing instance is purchased based on topic specifications?

    • Why is 1970 or "--" displayed in the Last Updated At column for the partitions of a topic?

    • Why am I unable to reduce partitions after I delete a topic?

    • Is the compact log cleanup policy supported?

    • FAQ about automatic topic creation

    • How does the topic quota change when additional partitions are purchased?

    • What are the free topic and partition quotas in the traffic specification of an instance that is purchased by topic?

    • What do I do if partition skew exists in a cluster?

    • How do I handle inactive topics?

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