Best practices for MySQL upgrade
MySQL upgrade is very necessary. We listed a variety of questions about MySQL upgrade best practices on Percona Support. This article recommends some methods to upgrade MySQL in different situations.
Why is MySQL upgrade required? There are m
discussion on design mode and upgrade method of intelligent contract in Ethernet square
Author: Fisco-dev Https://github.com/FISCO-BCOS/Wiki on the design mode and upgrade method of intelligent contract in Ethernet Square 1. Best Practice 2. Practical Design Case 2.1 controller contract and Data contract: 1->1 2.2 controller contract and Data contract: 1->N 2.3 Controller contract and Data contract: N->1 2
Original: MySQL Upgrade method Guide DaquanIn general, when upgrading from one release version to another, we recommend that you upgrade the version in order. For example, to upgrade MySQL 3.23, upgrade to MySQL 4.0 instead of directly upgrading to MySQL 4.1 or MySQL 5.0.If you are comparing the newer version of the
This article is intended for applications written in C/S mode.ProgramFeatures of poor maintainability, a set of automatic online upgrade solutions are proposed, the difficulties and implementation principles of online upgrade are analyzed, and the parts for upgrading are given.CodeHas practical reference value and practical significance. The program code in this article is tested and passed in. NET Framewor
C # automatic online software upgrade Program
Source: http://www.longtengwang.com/Article/soft/Csharp/csharpSL/200801/8014.html
1 Preface
For a long time, the majority of programmers have been arguing over whether to use Client/Server or browser/server structures. Among these arguments, C/S structures have poor program maintainability and difficult arrangement, the upgrade is inconvenient, and the high ma
Tags: upgrade PHP-FPM recommended multiple services three-party website program file rootIn general, upgrading a production environment is not recommended and will stop LNMP related services after the upgrade begins.This article applies only to LNMP1.2, 1.3 and 1.4 later versions!In LNMP currently LNMP v1.2/1.3+ version has included Nginx, MYSQL/MARIADB, PHP, phpmyadmin
Note: This is not the most highly recommended method to move from centos 6 to centos 7... but it can be med, at your own risk, if the tool says the risk is slight or none. we wowould never recommend using this method with any medium, high or extreme issues present.
Centos upgrade Tool
1. Location of the Tool
The tool is currently available from the testing Repository:
Http://dev.centos.org/centos/6/upg/x86_64/Packages/
1.1. How to currently obtain the
1 Preface
For a long timeProgramThere is no debate over whether the client/server is used or the Browser/Server structure. Among these arguments, the C/S structure has poor program maintainability, difficult arrangement, and inconvenient upgrading, high maintenance costs are an important factor. Many enterprise users give up using C/S for this reason. However, when an application must use the C/S structure to implement its functions well, how can we solve the problem of client deployment and
-u Root--vault-password-file=/path/to/vault_passwd.file base.yml- I hosts.idc2--tags localrepos--limit cdh5-all
5. Upgrade HDFs related content
5.1. Get the current Activie Namenode (a CNAME that always checks and points to active Namenode is created in our DNS server on the line)# host ACTIVE-IDC2-HNNActive-idc2-hnn.heylinux.com is a alias for idc2-hnn2.heylinux.comIdc2-hnn2.heylinux.com has address 172.16.2.12
5.2. Enter Safe mode on active Namen
Reprint Please specify source: http://blog.csdn.net/guolin_blog/article/details/39151617In the previous article, we learned the basic usage of litepal and experienced the convenience of using frames to create table operations. However, as you all know, creating a table is just one of the most basic steps in database operations, and the table structure we created at the outset is most likely to need to be modified in the late stages as requirements change. Therefore, the operation of the
1. Background 1.1. Netty 3.X Series version StatusBased on a survey of some users of the Netty community, combined with the use of Netty in other open source projects, we can see that the current mainstream version of Netty commercial is concentrated on 3.X and 4.X, with the Netty 3.X series version being the most widely used.The Netty community is very active, with the release of the 3.X series from the netty-3.2.4 final version released on February 7, 2011 to the final version of netty-3.10.0
1. Introduction
Database upgrades are often dragged to the "finalize phase" of the release task, which is often left at the end of the project or the last sprint before the release, which is not ideal because:
Every time the software is released on a test environment, the database is often rebuilt, which means that testers lose their test data each time.
If the duration of the project is longer, the upgrade scripts are sometimes delayed until a few
The Microcode to be upgraded includes Controller, ESM, and Drive.
1. Upgrade Controller firmware
Before upgrading, you have to go to the IBM official website to download the latest firmware version, the link address is http://www.ibm.com/servers/storage/support/disk, this link is useful, not only firmware, but also the relevant redbook, some known defect and corresponding workaround.
1.1 download Microcode
The Controller's Microcode includes two pa
performance improvement was almost invisible. The reason is that the code of the test project is relatively small, the machine code generated by the JIT is not big, and the real WordPress project generated by the machine code is too large, causing a decrease in CPU cache Hit rate (CPU cache Miss).In short, the JIT is not in every scenario is a gold-touch tool, and the performance test results from the business scenario is not necessarily representative.From the official release WordPress PHP7 a
Guide to MySQL upgrade
Http://blog.sina.com.cn/s/blog_5a8b8eb80100ld7a.html
We recommend that you upgrade the version from one released version to another. For example, to upgrade MySQL 3.23 to MySQL 4.0, instead of directly upgrading to MySQL 4.1 or 5.0. For updates to the latest version, refer to the following article. The MySQL database version is updated quic
For PC desktop applications, the automatic upgrade feature is often necessary. The automatic upgrade can be developed as a standalone C/s system, so that it can be reused in different desktop applications. This article will focus on the relevant background, the use of Oaus, as for detailed implementation details, we can directly download the source code research. If you understand the use of Oaus, the sourc
Tags: Enter upgrade deployment version cell structure log file many build Database Upgrade maintenance strategy in software development stage Why maintain an upgrade 1.1 Status and emerging issues If you develop a project that does not use the database, then you do not have to maintain the database. If you develop a project, use the database, but never modify,
1. PrefaceIn the sequoiadb Database development process, the basic maintenance of a semi-annual release of a formal release version. And each new release release version relative to the old version, the performance has been greatly improved, and the database will also add a lot of new features in the new version, hoping to improve the ease of database development. In the process of sequoiadb Development, more and more developers learn about it and take an interest in it. Now more and more user
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