[ROCKETMQ-331] Make DLQ queue nums configurable

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 4.1.0-incubating
• Fix Version/s: 4.3.0
• Component/s: rocketmq-broker
• Assignee: Xinyu Zhou
• Reporter: lindzh
• Created: 14/Dec/17 06:12
• Updated: 15/Dec/17 13:05

Description

As DLQ queue nums is configured to static as

protected final static int DLQ_NUMS_PER_GROUP = 1;

in some cases, we need to get messages from DLQ to recover,but queue nums of DLQ is limited and can't expand load.So I want to change the default DLQ queue nums default value.

Issue Links

• links to: GitHub Pull Request #203