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Use Limits

Last updated: 2022-07-29 18:50:16

    This document lists the limits of certain metrics and performance in TDMQ for Pulsar. Be careful not to exceed the limits during use to avoid exceptions.

    Cluster

    Limit Description
    Maximum number of clusters per region 5
    Maximum cluster name length 128 characters
    Maximum storage capacity 100 GB

    Namespace

    Limit Description
    Maximum number of namespaces per cluster 100

    Topic

    Limit Description
    Maximum number of topics per cluster 1,000
    Maximum number of topic partitions per cluster 6,000
    Maximum number of partitions per topic 32
    Maximum topic name length 128 characters
    Maximum production TPS per topic partition 5,000
    Maximum production bandwidth per topic partition 40 Mbps
    Maximum consumption TPS per topic partition 5,000
    Maximum consumption bandwidth per topic partition 40 Mbps
    Maximum number of producers per topic 1,000
    Maximum number of subscriptions per topic 2,000
    Maximum number of consumers per topic 2,000

    Message

    Limit Description
    Maximum message retention period 15 days
    Maximum message delay 10 days
    Maximum message size 5 MB
    Consumption offset reset 15 days
    Maximum number of received but unacknowledged messages 5,000
    Maximum number of messages per query 65,536
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