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  MongoDB Upgrade a Replica Set

  MongoDB replica set upgrade preface Part1: written at the beginning of this article explains how to upgrade the MongoDB replica set, as well as matters needing attention. The environment of this article is MongoDB3.2 upgrade MongoDB3.4, if you upgrade 3. 4 in lower version, you need to upgrade to 3. 4.

  2022-06-01 21:59:31 Views: 283
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  The kettle+window server sends regular report messages

  Requirements: each statistical business data or operation data are sorted out into excel documents, and excel files are regularly sent to the designated mailbox by e-mail. Environment: window system + kettlekettle build environment ignored. File path configuration: bat: save

  2022-06-01 21:59:01 Views: 216
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  MongoDB replication set configuration steps

  1. Configure the configuration file (/ etc/28001.conf) 28002.conf#bind_ip=192.168.20.144port=28001logpath=/data/db/mongodb_l for three nodes

  2022-06-01 21:59:00 Views: 212
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  Build a highly available MongoDB cluster (Replica set)

  For the basis of MongoDB, please refer to https://blog.51cto.com/kaliarch/2044423 I. Overview 1.1 MongoDB replica set. Generally speaking, the replica set of mongodb is equivalent to the master-slave set with automatic failure recovery.

  2022-06-01 21:58:30 Views: 276
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  1z0-062database OCP item bank 6

  You want execution of large database operations to suspend, and then resume, in the event of space a

  2022-06-01 21:58:30 Views: 213
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  Sybase forgot the sa password, linux or unix

  Sa password forgot the solution:

  2022-06-01 21:58:30 Views: 290
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  MHA highly available configuration and failover for MySQL

  The combination of servers running the same service is called cluster-centric cluster: there are master and slave,MHA to solve the situation of master outage in the cluster, MMM cluster architecture: there are two master servers MHA overview of Japanese DeNA company yoush

  2022-06-01 21:58:00 Views: 289
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  On the leftmost matching principle of SQL Server Index

  Recently, some netizens in the exchange group talked about the leftmost matching principle of SQL Server index, which is understood as the writing order of Where conditions in T-SQL, which is a misunderstanding. Let's take a look at the experimental results. 1. Prepare data. CREATE TABLE [dbo

  2022-06-01 21:57:36 Views: 215
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  MongoDB highly available deployment

  The planning and deployment is as follows: 1. Prepare the basic environment to download mongodb-linux-x86_64-rhel62-3.4.2.gz on the Internet and put it on each server, decompress it and put it in the corresponding directory, and then create a new data folder under the root directory for storage.

  2022-06-01 21:57:35 Views: 245
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  What should be paid attention to in the maintenance and construction of IDC data room?

  IDC computer room provides us with rich and reliable professional services and network resources, and is an important business service center. As an important technology in the modern information age, IDC technology plays a vital role in providing professional network services and network resources. It is designed to provide server rental and other departments for many customers.

  2022-06-01 21:57:35 Views: 273
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  Set up Redis cluster and test cluster: re-fragment node hosts

  Set up a Redis cluster to prepare six redis servers. The specific requirements are as follows: ip address port etho log file name 192.168.4.51 6051 can receive connection requests redis51.log192.168.4.52

  2022-06-01 21:57:35 Views: 230
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  [giant Sequoia Database SequoiaDB] Giant Sequoia Tech | Optimization practice of hundreds of billions of super-large tables in distributed database

  Introduction: with the growth of users and the development of business, the amount of data in the business system of large enterprise users is getting larger and larger, and the performance of super-large data tables has become a major obstacle to the realization of business functions. Among them, the pipeline meter, as the most common kind of super-large table, is the performance bottleneck often encountered by enterprise users. This article

  2022-06-01 21:57:23 Views: 297
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  Giant Sequoia Learning Notes | SequoiaDB MySQL Import and Export tool

  This article comes from the community user contribution, thanks to this partner's technology sharing introduction to the giant sequoia database architecture. As a distributed database, the giant sequoia database is a separate computing and storage architecture, which is composed of database instance layer and storage engine layer. The storage engine layer is responsible for the core functions of the database, such as data read, write, storage and distribution.

  2022-06-01 21:57:16 Views: 225
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  Ant Financial Services Group OceanBase challenges TPCC (TPC-C benchmark)

  Ant Financial Services Group's self-developed database OceanBase reached the top of TPC-C, which caused the industry wide × × Chu to show the technical details. We specially invited the core research and development personnel of OceanBase to make a technical interpretation of this test, including six articles: 1) TPC-C benchmark.

  2022-06-01 21:57:13 Views: 214
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  Query data from mongodb

  Connect mongodb:public class GenericMga {private DB db; public DB getDB () {re

  2022-06-01 21:57:13 Views: 260
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  Centos 7 Ultra simple yum Source installation MongoDB

  = configure yum source warehouse = enter the yum repository and generate the source of mongodb [root@localhost network-scripts] # cd / etc/yum.repos.d

  2022-06-01 21:56:59 Views: 216
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  Windows mean (mongodb+express+a

  Recently, I have been studying mean (mongodb+express+angularjs+nodejs) with several colleagues. I have scratched the surface of this framework, but I have basically mastered the installation part, and I have not found a good one-click deployment plan yet, so I have made one for my colleagues.

  2022-06-01 21:56:51 Views: 236
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  Mysql stored procedure to move tables

  To simply move the table, use the cursor to loop the first line DELIMITER / / and the last line / must, otherwise an error DELIMITER / / create procedure movedata () BEGIN D will be reported when you encounter a semicolon

  2022-06-01 21:56:50 Views: 219
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  Sync logins from ASE 12.5.4 to

  [1] on ASE 12.5.4select * into tempdb..loginaa16 from master..loginsgothen,use DBAartisan migrate te

  2022-06-01 21:56:50 Views: 211
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  Mongodb binds to php

  . http://pecl.php.net/package/mongo download php extension 2. Upload to Linux / home3.tar zxvf mongo-1.5.1.tgz to extract 4.cd mongo-1.

  2022-06-01 21:56:50 Views: 241