fuyou001

good improvement，looks to good to me.

in some scenes，reduce 80% disk bandwidth, also speed up broker startup.

fixed

虽然是sleep 0，但因操作系统时钟精度原因，实际会sleep 几毫秒，不同的系统，精度可能值会不一样； 删除之后，就没有sleep的效果了；

From the point of view of stability, I suggest keeping the logic as it is, in benchmark case, consumer is not one instance, if we change , the code will...

> > From the point of view of stability, I suggest keeping the logic as it is, in benchmark case, consumer is not one instance, if we change , the...

what's the plan to fix it ?

更标准做法，是要放到try外面。