info commandstats返回的耗时不对

[takenliu]

Description

监控显示，predixy的延迟200ms，tendisplus的延迟不到1ms。比较奇怪。

分析发现，是tendisplus节点的“info commandstats”命令返回的耗时不准确，没有包含请求在NetSession::_queryBuf中等待的时间。

info commandstats
# CommandStats
cmdstat_get:calls=2419384797,usec=77078629831,usec_per_call=31.8588
cmdstat_set:calls=474097631,usec=14839880888,usec_per_call=31.3013

Expected Behavior

Current Behavior

Possible Solution

Steps to Reproduce (for bugs)

Context

Your Environment

• Operating System and version:
• Machine Specifications:
• Tendis Version:
• Tendis Configuration:
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