博客

一、查看当前的操作

1、db.currentOp()

currentOp会将后端Mongod上正在执行的请求都列出来，也可根据查询条件（如请求类型，请求是否正在等待锁，请求操作的DB或collection）来进行过滤。

example:

查询连接到db1上的操作时间大于3s的操作：

db.currentOp(
   {
     "active" : true,
     "secs_running" : { "$gt" : 3 },
     "ns" : /^db1\./
   }
)

output example:

{
  "inprog": [
       {
         "desc" : <string>,
         "threadId" : <string>,
         "connectionId" : <number>,
         "opid" : <number>,
         "active" : <boolean>,
         "secs_running" : <NumberLong()>,
         "microsecs_running" : <number>,
         "op" : <string>,
         "ns" : <string>,
         "query" : <document>,
         "insert" : <document>,
         "planSummary": <string>,
         "client" : <string>,
         "msg": <string>,
         "progress" : {
             "done" : <number>,
             "total" : <number>
         },
         "killPending" : <boolean>,
         "numYields" : <number>,
         "locks" : {
             "Global" : <string>,