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
This document is suitable for all versions of Cloudera Manager 5 and is upgraded using Tarballs tarballs contains Cloudera Manager server and Cloudera manageragent.
Https://www.cloudera.com/documentation/enterprise/latest/topics/cm_ag_ug_cm5_tarballs.html#cm_ag_ug_cm5_tarballs
In most scenarios, upgrading Cloudera Manager is probably not required to turn off large data CDH services, just to stop some dependent services. CDH Daemons continues to run and is unaffected. Cloudera Manager also does
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
How can I upgrade the tenda router to the latest version? Here we will explain in detail the tenda router upgrade process. Due to the increase in functions and performance, each model of tenda router may have a corresponding upgrade package. The following describes the most commonly used upgrades of the router. Download an up
How can I Upgrade Linux Mint 17.3 to Linux Mint 18?
The Clement Lefebvre and Linux Mint development teams promise to launch an in-place upgrade solution for those currently running Linux Mint 17.3 "Rosa. Now, the upgraded version is available, and it runs smoothly. In this article, we will discuss the advantages and disadvantages of local upgrades. You still have the opportunity to check the
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
Router firmware update description:
1. added the IP bandwidth control function;
2. You can use the "Upgrade Wizard" to upgrade the software. There is no software upgrade column in the system tool );
3, the software is a beta version, if an exception occurs during use, please upgrade back to the previous version, and fe
All aspects will be upgraded: SSDBenefits:SSD improves the speed of a notebook in various aspects. It can shorten the response speed of various operations, such as boot speed, game loading speed, PSD file opening speed, and decompression speed of large files.Principle:This is mainly because the SSD uses flash memory to store files, and its random read/write speed and continuous read/write speed are both high, which is doubled compared with the mechanical hard disk.Applicable models:In addition t
For small and medium-sized enterprise network administrators, it is often necessary to ensure the smooth operation of the enterprise intranet, and the smooth operation of the Intranet is closely related to the security of employees' computers. I believe most enterprises have installed anti-virus software for employees' computers, however, even with anti-virus software, it is impossible for us to completely prevent viruses and hackers from attacking the enterprise's Intranet, because whether the
Based on security considerations, network administrators need to back up the configuration information of network devices and IOS devices. If you need to deploy new features on network devices, in many cases, you need to upgrade the IOS version.
Accidentally deleting IOS by mistake or failing to upgrade IOS, it is common to enter the ROMMONROMMON status after restart, Which is abbreviated as rom monitor. Th
Before learning how to enable automatic upgrade for Ubuntu, explain why automatic upgrade is required. By default, ubuntu checks for updates once a day. However, only one software upgrade reminder will pop up once a week, unless there is a security upgrade, it will pop up immediately. Therefore, if you have been using
Environment Description: we are currently using WSS2.0, and want to upgrade to WSS3.0, and ensure that the data of the original site is intact.
Our upgrades and data migration are mainly divided into two methods (the second method is recommended ):
1. Upgrade the installation method:
1. Run prescan.exe first before configuring the pilot program. This is the bin directory under the 12 directory.
2. Install
There are two types of NVR upgrade methods:1. USB interface upgrade: use a USB flash drive (or other storage devices) to copy the software and insert the USB.GUIInterfaceUpgrade.2. WEB interface upgrade: Download and upgrade software from your computer.WEBInterface.The following describes the two
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
The difference between apt-get upgarde and dist-upgrade is that apt is used in Debian/Ubuntu Linux and is used in the upgrade: www.2cto.com apt-get update apt-get upgrade apt-get dist-upgrade, but some people often ask, what is the difference between upgrade and dist-
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.