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Backing up the MONGO database#!/usr/bin/env python#coding:utf-8import datetimeimport osimport shutiluser = ‘root‘passwd = ‘123456‘port = 28018backup_path = ‘/data_1/backup_logs/mongodb/‘after_dbname = ‘bz-dw-and-‘cx_path =‘/data/bz-dw-and/‘now_time = datetime.datetime.now()time = now_time.strftime(‘%Y%m%d-%H:%M:%S‘)try: for dir_name in os.listdir(cx_path): all_backup_path = os.path.join(backup_pat

from the file system 2. If you want to modify the document on the Gridfs, you can only delete the existing file, The entire document is then re-saved. The simplest way to use the GRIDFS is to use the Mongofiles tool, which is included in all MONGO DB distributions, and can be used to upload files, download files, view file lists, search for files, and delete files

starting data synchronization. If the property is modified, use Rs.reconfig (); 3.3 The deployment policy replica set contains a maximum of 12 nodes, and the minimum replica collection configuration that provides automatic failover is in the previous example. Consists of two replicas and one quorum node. In a production environment, the arbiter node can run on the application server, while the replica runs on its own machine. For most environments, this configuration of the economy and univers

"-- Logappendmongod.exe --replset rs1--keyfile "D:\Program files\mongodb\data\replica\key\r1"--port 28011--dbpath " D:\Program files\mongodb\data\replica\data\r1 "--logpath" D:\Program files\mongodb\data\replica\log\r1.log "-- logappendcd/d D:\Program files\mongodb\binmongod.exe --replset rs1--keyfile "D:\Program files\mongodb\data\ Replica\key\r2 "--port 28012--dbpath" D:\Program files\mongodb\data\replica\data\r2 "--logpath" D:\Program Files\ Mongodb\data\replica\log\r2.log "--logappendThir

rs1--keyfile "D:\Program files\mongodb\data\replica\key\r1"--port 28011-- DBPath "D:\Program files\mongodb\data\replica\data\r1"--logpath "D:\Program files\mongodb\data\replica\log\r1.log" --logappend cd/d D:\Program files\mongodb\bin mongod.exe --replset rs1--keyfile "D:\Program files\ Mongodb\data\replica\key\r2 "--port 28012--dbpath" D:\Program files\mongodb\data\replica\data\r2 "--logpath" D:\ Program Files\mongodb\data\replica\log\r2.log "--logappend Third, login client, initialize r

Label:monmatchledcheck cause Fault alsconfig data type Data type MongoDB 3.x data capacity GB Failure type Server power loss causes WIREDTIGER.WT file corruption Start error detected data files in E:\DTLFolder\MongoDB\ Data created by the ' Wiredtiger ' storage engine, so setting the active storage engine to ' Wiredtiger '. 2018-05-08t16:10:09.755+0800 I STORAGE [initandlisten] Wiredtiger_open config:create,cache_size=18g,session_ Max=20000,eviction= (threads_max=4), config_base=false,stati

Package COM.TOMPIG.LJC; Import java.net.UnknownHostException; Import java.util.ArrayList; Import Java.util.Date; Import java.util.List; Import Java.util.Set; Import Com.mongodb.BasicDBObject; Import Com.mongodb.DB; Import com.mongodb.DBCollection; Import Com.mongodb.DBCursor; Import Com.mongodb.DBObject; Import Com.mongodb.Mongo; Import com.mongodb.MongoException; public class Dbutil {String collectionsname = "User_info"; String dbname = "LJC"; Dbcollection coll = null;

Label:The production environment uses the MONGO database. Long-coveted for the MONGO database, its high performance/open source/modeless/document-based database/... What a tempting feature, also occasionally tossing and playing, but did not make notes, take advantage of this

Tags: NTA DDR detail replica set security one record lock AssociationThis series wants to share with you the following chapters (I will continue to update the (^ω^)): 1. One of the MONGO 3.4 Shard Cluster Series: A brief discussion on shard cluster 2, MONGO 3.4 Shard Cluster Series two: Building a shard cluster--Hash shard 3, MONGO 3.4 Shard Cluster Series three:

Tags: ruby operation MongoDBRecent knowledge of MongoDB has involved using Ruby to manipulate the MongoDB database, because the reference data used in Ruby MONGO driver version is not 2.3.3, so in terms of operation will be different, so wrote this Ruby2.3.3 operation MongoDB get started, learning method is reference URL https://docs.mongodb.com/ruby-driver/v2.3/quick-start/Fast learning is mainly divided i

because it is not currently master.Helpless, can only find another way, because the MONGO data is not too familiar.Later read the article on the Internet: https://segmentfault.com/q/1010000000532867 is also about this problem.Probably think of the solution: Turn off this MONGO service, remove the local configuration directory from this instance, restart it, and then configure it with the Rs.initiate (CFG)

Tags: Need statistics Mon Select passwd count () style images classPython connection MONGO database is mainly used Pymongo connection, the general situation is divided into two kinds of connection, one through the specified port and address directly connected, and another through the format of the URI connection 1. Connect MONGO by specifying port and address con

Tags: app docker node database master-slave read config Isod how to PrimaryFirst, the specific operation method1. Start two MONGO containersDocker run--name mongo1-p 21117:27017-d MONGO--noprealloc--smallfiles--replset rs1docker run--name mongo2-p 22117: 27017-d MONGO--noprealloc--smallfiles--replset rs12. Viewing a ru

Tags: io os using ar file data sp CTI onTry to use the MONGO model in thinkphp today and find out that there will always be an errorCall to a member function selectcollection () on a non-objectFor a reason, it was found that the configuration file was not imported, resulting in the inability to connect to the database and instantiate the model. Look at the configuration file, and there are no errors, the co

Tags: index path pre shel Pymongo install database strong aptInstall the MONGO database and enter it under the shell sudo apt-get install MongoDB If you need to use the MONGO database in Python , you will also need to install the Python wrapper library Pip Install Pymongo

Tags: pwd create data index reads read-write read function San 0, Login Admin library, open a MONGO shell MONGO--port 27017-u "AdminUser"-P "adminpass"--authenticationdatabase "admin" 1, first switch to a new database TestDB Use TestDB 2. Create an authenticated user for the database