消息队列 Pulsar 版

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文档中心消息队列 Pulsar 版产品简介使用限制

使用限制

最近更新时间：2023-12-06 16:30:52

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本页目录：

本文列举了 TDMQ Pulsar 不同集群形态，对一些指标和性能的限制。请您在使用中注意不要超出对应的限制值，避免出现异常。
说明：
虚拟集群和专业集群的差异对比，请参见 产品选型。
集群
限制类型
虚拟集群
专业集群
单地域内集群数量上限
5个
不限制
集群级 TPS （收+发）
10000
视集群规格
集群级峰值带宽（收+发）
180 MB/s
视集群规格
集群名称长度
不超过128个字符
不超过128个字符
最大存储容量
100GB
20 TB
命名空间
限制类型
虚拟集群
专业集群
单集群内命名空间数量上限
100个
视集群规格而定
Topic
限制类型
虚拟集群
专业集群
单集群内 Topic 数量上限
1000
视集群规格而定
单 Topic 最大分区数
32
32
Topic 名称长度
不超过128个字符
不超过128个字符
单 Topic 分区生产 TPS 上限
5000
视集群规格而定
单 Topic 分区生产带宽上限
40 Mbps
视集群规格而定
单 Topic 分区消费 TPS 上限
5000
视集群规格而定
单 Topic 分区消费带宽上限
40 Mbps
视集群规格而定
单 Topic 最大生产者数量
1000
1000
单 Topic 最大订阅数量
2000
2000
单 Topic 最大消费者数量
2000
2000
消息
限制类型
虚拟集群
专业集群
消息最大保留时间
15天
15天
消息最大延时
10天
10天
消息大小上限
5MB
5MB
消费位点重置
15天
15天
最大已接收未确认消息数量
5000条
视集群规格而定
一次性查询消息最大数量
65536条
65536条
﻿

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