[ISSUE #9921] Limit the concurrency of Pop revive

[lizhimins]

Which Issue(s) This PR Fixes

Fixes #9921

Brief Description

How Did You Test This Change?

[qianye1001]

LGTM

[codecov-commenter]

Codecov Report

❌ Patch coverage is 53.84615% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.80%. Comparing base (beee84f) to head (8849499).

Files with missing lines	Patch %	Lines
...apache/rocketmq/broker/pop/PopConsumerService.java	66.66%	3 Missing ⚠️
.../java/org/apache/rocketmq/common/BrokerConfig.java	25.00%	3 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@ ## develop #9922 +/- ## ============================================= - Coverage 48.83% 48.80% -0.04%  + Complexity 12751 12743 -8  ============================================= Files 1324 1324 Lines 96288 96299 +11 Branches 12409 12409 ============================================= - Hits 47023 46995 -28  - Misses 43517 43556 +39  Partials 5748 5748 

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[lollipopjin]

LGTM

[humkum]

这个改动是为了减少 CPU 压力吗？最近我们发现 pop 消费在 revive 执行时单核占用有打满的情况

[lizhimins]

这个改动是为了减少 CPU 压力吗？最近我们发现 pop 消费在 revive 执行时单核占用有打满的情况

在队列版的 Pop 实现上，revive 压力会被分摊到 8 个线程上。
看下是不是这个 #9812 问题，确认是 revive 导致的吗？
这个提交是在冷读到分级存储时限制一下读取的内存使用。