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mongodb最大连接数配置修改 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...数mongodb bin mongo>db serverStatus() connections;{ "current" : 308, "available" : 511, "totalCreated" 查看mongodb最大连接数
mongodb/bin/mongo
>db.serverStatus().connections;
{ "current" : 308, "available" : 511, "totalCreated" : NumberLong(110279) }
current数值+available数值...
Too many threads are already waiting for a connection - 大数据 & AI - ...
Too many threads are already waiting for a connection由于工作线程数大于MongoDB的最大连接池数量,从而出现此类异常。解决方法:一、减少工作线程数,示意代码如下:ParallelOptions parallel 由于工作线程数大于MongoDB的最大连接池数量,从...
MongoDB.Driver.MongoConnectionException: Unable to connect to the prim...
...ct to the primary member of the replica set: Too many threads are already waiting for a connection..
C# Driver:1.3.1
Replset:
localhost:10001 (primary)
localhost:10002 (member)
I have initReplset and add localhost:10002 to the replset,
Then I create a new connection.When I try to connect,t...
C# 操作MongoDb插入、更新、查询 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
C# 操作MongoDb插入、更新、查询Mongo连接字符串形式:mongodb: 127.0.0.1:27017 插入或更新一条记录BsonDocument doc = new BsonDocument();...MongoServer serv...Mongo连接字符串形式:mongodb://127.0.0.1:27017
// 插入或更新一条记录
BsonDocument doc = new Bso...
Python中的X[:,0]和X[:,1] - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
Python中的X[:,0]和X[:,1]X[:,0]是numpy中数组的一种写法,表示对一个二维数组,取该二维数组第一维中的所有数据,第二维中取第0个数据,直观来说,X[:,0]就是取所有 X[:,0]是numpy中数组的一种写法,表示对一个二维数组,取该二维...
高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...p提供对外的接口(废话否则怎么存取数据),group的底层可以是实际的File System,甚至是HDFS。Group Master和Group Slave可以共享同一个File System(用于不能丢数据的强一致性系统),也可以分别指向不同的File System(用于弱一致性,允...
Why should I learn Lisp? [closed]
...
One of the main uses for Lisp is in Artificial Intelligence. A friend of mine at college took a graduate AI course and for his main project he wrote a "Lights Out" solver in Lisp. Multiple versions of his program utilized slightly diffe...
Android - How to get application name? (Not package name)
...ou really use a label in android:name. If you hardcoded a string, then it fails.
– Snicolas
Aug 29 '13 at 15:20
2
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刘强东“一元年薪”背后的O2O棋局 - 资讯 - 清泛网 - 专注C/C++及内核技术
...且成本结构在行业中是最优质的,京东认为生鲜类商品是可以盈利的,毛利润非常健康。
据永辉超市的半年报显示,公司目前开业门店达到361家,较年初净增加24家,已签约门店达到541家。2015年1-6月永辉超市新开门店23家,新...
C++ SpinLock 自旋锁的代码实现(全网最简略的方式) - C/C++ - 清泛网 - ...
...1、最简单的一种,来自《C++并发编程实战》第5章 C++内存模型和原子类型操作: include <iostream> include <atomic> include <thread> include <vector> include <unistd h 1、最简单的一种,来自《C++并发编程实战》第5章 C++内存模型和原子类型操作...
