MongoDBlocking – 非常非常缓慢的阅读
这是db.currentOp()的输出: > db.currentOp() { "inprog" : [ { "opid" : 2153, "active" : false, "op" : "update", "ns" : "", "query" : { "name" : "Run_KPIS", "profile" : "totals" }, "client" : ":34140", "desc" : "conn127", "threadId" : "0x7f1d0f03c700", "connectionId" : 127, "locks" : { "^cached_data" : "W" }, "waitingForLock" : true, "numYields" : 0, […]