mongodb config server

Tags: startup failure mongosProduction environment, the use of MongoDB shards, due to sudden power outages, the service up again when the discovery of three MONGOs process has a boot failure, multiple attempts still cannot start. View the log with the following contents:650) this.width=650; "title=" MongoDB Shard Configuration Server Out-of-sync causes MONGOs pro

Tags: io ar using SP file data on problem CTINote: This solution to this problem is premised on the previous open MongoDB, once again use the time can not connect (using Mongod and MONGO are not correct)Gossip: It's annoying to have this kind of problem, so say Sun's beach, okay ~ coolBusiness:The errors you may encounter are as follows:MongoDB Shell version:2.4.9Connecting To:testMon Mar 3 23:45:09.491 error:couldn ' t connect to

; Db.runcommand ({"Removeshard": "localhost:20002"}); {"Assertion": "Can ' t find Shard for:localhost:20002","Assertioncode": 13129,"ErrMsg": "DB assertion Failure","OK": 0}View CodeAfter the final removal, when we call Db.runcommand again ({"Removeshard": "localhost:20002"}), the system will error, we have notified that there is no 20002 this port of the Shard Server, Because it has been removed.>Use testswitched to DB test>db.users_2.stats () {"Shar

be resolved as such. It's pretty detailed.http://lingqi1818.iteye.com/blog/1317433However, if these items are not linked, it means that some of the ports on the server are not open causing the connection to be non-connected.Workaround first Configure the IP table to open some ports, and then restart server.Root enters serverVi/etc/sysconfig/iptablesAdd to-A input-m state--state new-m tcp-p TCP--dport 10002-j ACCEPT (the port opened here is 10002)Save

reasons can be solved. It's pretty specific.http://lingqi1818.iteye.com/blog/1317433But assuming that these things are not linked, it means that some ports on the server are not open and cannot be connected.Workaround to first configure the IP table to open some ports, and then restart server.Root enters serverVi/etc/sysconfig/iptablesJoin-A input-m state--state new-m tcp-p TCP--dport 10002-j ACCEPT (the port opened here is 10002)Save exitService Ipt

Tags: pythonImport pymssqlFrom Pymongo import mongoclientconn = Pymssql.connect (' IP ', ' username ', ' password ', ' database ')cursor = conn.cursor (as_dict = True)Cursor.execute ("Select Top V_alerts. Source,v_alerts. Filepath,v_alerts. Alertdatetime,v_alerts. Alertenddatetime,alertmsg. ALERT, Sem_computer.computer_name,sem_computer.current_login_user from (V_alerts left join alertmsg on V_alerts. Alert_idx= alertmsg. ALERT_IDX) LEFT join sem_computer on v_alerts.computer_idx = sem_computer.

Background introduction With the development of business and the change of demand, we pursue the use of different types of databases and give full play to their respective characteristics. If you decide to adopt a new type of database, you need to migrate the existing data to the new database. In this type of requirement, it is particularly important to import data from SQL Server into MongoDB. In the face

-over support, efficient storage of large: Binary Data Objects, and auto-sharding.:: This package provides the MONGO shell, import/export tools, and: Other client utilities. 3. Installing MongoDB server side and client tools[email protected] geffzhang]# Yum install Mongo-10gen-server [email protected] geffzhang]# Yum install Mongo-10gen 4. S

There are many ways to install MongoDB, you can install the source code, and you can use the Yum source installation method in CentOS. Since MongoDB is updated more quickly, I prefer to use the Yum source installation method. The installation steps under 64-bit CentOS are as follows:1. Preparatory workRun the Yum command to view MongoDB package information [root@

For data security, in the MongoDB configuration file, the default port of 27017 is typically changed to a custom port number, and then the allowed IP is set to 127.0.0.1 (that is, the host itself). However, this can cause trouble when the development process looks at the data, and it must go to the server side or call the API interface deployed on the server to b

Title, this problem also Baidu for a long time, Baidu is still quite to force, but did not solve the problem, later in the Great God (forgive I do not know what the great God called) under the guidance, finally set a successful, special sharing under the setup process.MongoDB setting up the database I will not say ... Amount: Forget, or tidy up, oneself also review again. Since I am downloading the installation package, EXE is installed directly:1. After the installation is complete, my default

threads, but some databases on multi-core CPU requirements are not very strict, such as: Mongodb,mongodb memory requirements are very high! MySQL InnoDB engine CPU utilization ratio is high, as far as possible choose the strong point cpu! System Selection 1. The system must be 64-bit system, can be Linux can also be unix,linux have a lot of choices, commonly used is CentOS Ubuntu aulympic, Unix can choos

Tags: log example ICA Master parse BPA TPS Logs Blog1.mongodb Boot: 1 1$ c:\mongodb\server\bin>mongod--logpath d:\mongodb\logs\log.log 2 $ c:\mongodb\server\bin>mongod--dbpath d:\mongodb