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Posted to commits@rocketmq.apache.org by du...@apache.org on 2019/07/15 06:13:42 UTC
[rocketmq] branch master updated: 文档排版错误 (#1320)
This is an automated email from the ASF dual-hosted git repository.
duhengforever pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/rocketmq.git
The following commit(s) were added to refs/heads/master by this push:
new 092a639 文档排版错误 (#1320)
092a639 is described below
commit 092a639528a99b4639438059a9c684281f428c32
Author: zhibo <zh...@aliyun.com>
AuthorDate: Mon Jul 15 14:13:31 2019 +0800
文档排版错误 (#1320)
## 3 消息过滤
---
docs/cn/features.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/docs/cn/features.md b/docs/cn/features.md
index 1c0456b..859e0f8 100644
--- a/docs/cn/features.md
+++ b/docs/cn/features.md
@@ -12,7 +12,7 @@
- 分区顺序
对于指定的一个 Topic,所有消息根据 sharding key 进行区块分区。 同一个分区内的消息按照严格的 FIFO 顺序进行发布和消费。 Sharding key 是顺序消息中用来区分不同分区的关键字段,和普通消息的 Key 是完全不同的概念。
适用场景:性能要求高,以 sharding key 作为分区字段,在同一个区块中严格的按照 FIFO 原则进行消息发布和消费的场景。
-##3 消息过滤
+## 3 消息过滤
RocketMQ的消费者可以根据Tag进行消息过滤,也支持自定义属性过滤。消息过滤目前是在Broker端实现的,优点是减少了对于Consumer无用消息的网络传输,缺点是增加了Broker的负担、而且实现相对复杂。
## 4 消息可靠性
RocketMQ支持消息的高可靠,影响消息可靠性的几种情况: