通过
db.runCommand({serverStatus:1}).opcountersRepl
{
"insert" : NumberLong(0),
"query" : NumberLong(0),
"update" : NumberLong(0),
"delete" : NumberLong(0),
"getmore" : NumberLong(0),
"command" : NumberLong(0)
}
但是如果设置readprefrence为secondry的话,查询出来的却不为0,很奇怪这是为什么?
MongoDB版本为4.2.9