aws nosql mongodb

Label:2.1 Viewing the current operating system version2.2 Download MongoDB installation packageMy download path: http://www.mongodb.org/downloadsNote here to download the version that matches the operating system, because my system is 32-bit, so download the 32-bit installation package.After the download is complete, FTP is uploaded to the virtual machine Linux system.2.3 Unpacking the MongoDB installation

available. Search from records that have not been used recently and allocate their space to new records (that is, the mechanism to delete the least recently used records). From the perspective of cache usage, the model is ideal Iii. introduction of Redisbelongs to Key-value storage System, similar to memcached, but supports data persistence (restart server, data is still present)A. Value type:String, hash, lists (linked list), sets (collection), sorted sets (ordered collection)B. File form

Tags: empty god name for Sys + + ... lang csdn?? One: Normal index 1 to create a new database > Use Toto; Switched to DB Toto > Show DBS; Admin (empty) Local 0.078GB > Use Toto; Switched to DB Toto > DB Toto > 2 Create - million-piece data > for (var i=1; I ... db.c3.insert ({name: "Zhangsan", age:i}); ... } >db.c3.count (); 3 No index lookup >db.c3.find ({age:500000}). Explain (); 4 bit Age field to create an index Db.c3.ensureIndex ({age:1}); You can see the server