automatic rebalancing

Label:MongoDB is a document-oriented NoSQL database developed by the 10gen team. More than a year ago, MongoDB has been more and more large-scale website application to the production environment, the more famous have Foursquare, bit.ly, SourceForge, boxed and so on. MongoDB provides auto-sharding functionality that allows users to easily build a distributed MongoDB cluster with a simple configuration. MongoDB's auto-sharding can do: · When the load and data distribution is unbalanced between sh

= uiinterfaceorientationportrait ){// Up}If (interfaceorientation = uiinterfaceorientationportraitupsidedown ){// Down}Return yes;} In the above function, uiinterfaceorientationlandscapeleft, uiinterfaceorientationlandscaperight, uiinterfaceorientationportrait, and uiinterfaceorientationportraitupsidedown are four macros, which represent left, right, inverted, and normal. If only this function returns yes in the corresponding direction, the control layout may be poor. You also need to use

Set in my program:MyRng. WrapText = true; // wrap automaticallyMyRng. entireRow. autoFit (); // The Row Height is automatically adjusted based on the content. After this setting, the page is displayed incorrectly. For example, if a page is 500 high, if the last line does not wrap automatically, it will appear on this page, but after the line breaks automatically, it is a line that spans two pages, or how can we get the line height after the line breaks automatically, could you help me? The to

boards may also provide jumpers that enable hotkey boot and mouse boot. If so, they must be enabled.Fifth TRICK: power-on automatic boot this boot mode is an alternative, as long as the host is powered on, the computer will automatically boot, instead of pressing the host front panel power switch.Implementation conditions: first, confirm that the power you are using is ATX power, then check whether the CMOS settings contain "Soft-off by PWR-BTTN", "s

Uiview * footerview = [[uiview alloc] initwithframe: cgrectmake (10,100,300,180)]; Uilabel * label = [[uilabel alloc] initwithframe: cgrectmake (10,100,300,150)]; Label. Text = @ "Hello world! Hello world! Hello world! Hello world! Hello world! Hello world! Hello world! Hello world! Hello world!Hello world! Hello world! Hello world! Hello world! Helloworld! "; // The background color is red. Label. backgroundcolor = [uicolor redcolor]; // Set the font color to white

. Use here as: Expect "*password:" #此处填写系统提示文字Send "Your password\r" #此处填写我们输入的交互命令Expect EOF Let me introduce you to the detailed steps of Oracle automatic backup Background: Oracle 10g Server, Oracle 10g client, Windows XP operating platformRequirements: The Oracle database server automatically backs up the database YTCN once a day.Solution: Automatically generate Oracle backup files based on dates with task scheduling, batch files, and Oracle's

Bootstrap picture Auto Carousel Effect Chart: Code implementation:

Recently in writing a JavaScript framework, see the Internet has a lot of automatic completion of the form, so on a whim, with JavaScript wrote a, to add a bit of color to their frame. Steps: 1. Pass in two parameters, the first one is the form object you want to bind, and the second is the array you want to retrieve. 2. Dynamically create a div as you want to automatically complete the layer, set properties and events (I do not set the div visible

automate the DB server. [Email protected]_master_2 ~]# crontab-l1 * * * sh/data/mysql/backup/scripts/clear_old_backup.sh*/6 * * * sh/data/mysql/backup/scripts/backup_full.sh[[Email protected]_master_2 ~]# 4, subsequent extension issuesSimple backup is done, simple old backup collection cleanup is also done, but the follow-up can do more things, more perfect some: (1) Email notification, backup success or failure, email notification (2) Copy a copy of the backup col

Many beginners are always unable to handle the color of the photo. Don't worry, Photoshop is like a camera with a palette of "automatic", you can easily "automatic levels", "automatic Contrast" and "Automatic Color", this practical and efficient method in most cases can help us get better results, Now let us study toge

In our lives, automatic login for account is already very common, so use the filter to achieve this function. The main introduction of the user's automatic login and cancellation of automatic login, as well as the implementation of a day automatic login or n-day automatic l

automatically when the PHP class is loaded, if the folder in which the class is located is not included or if the class name is wrong. The __autoload function needs to be implemented by the user itself.After the php5.1.2 version, you can use the spl_autoload_register function to customize the load handler function. When this function is not called, the SPL custom spl_autoload function is used by default.1. PHP Automatic loading of __autoload function

Method 1: automatically boot the computer and set the music as needed. Automatic timed bootThis function needs to be set in bios, and advanced power management settings of your motherboard must support this function, but most of the current motherboard is fully supported, feel free to use it.Step 1:Start the system, press del, enter the bios, and then select "power management features"(Power Management settings), press enter to enter. In the power win

Java automatic packing automatic unpacking and java packing1. Java Data Type Before introducing Java's automatic packing and unpacking, let's take a look at the basic data types of Java. In Java, there are two types of data: Primitive Type and Reference Type ). The value of the basic type is not an object. You cannot call methods such as toString (), hashCode (),

When beginners use Photoshop to color digital photos, the most ready-to-use method is "automatic color order", "automatic contrast", and "color balance ", in most cases, it will help us achieve satisfactory image effects. I. how to use automatic grading: 1. when a beginner uses Photoshop to color digital photos, use the mouse to select [image] → [adjustment] amp

If you need to set automatic verification or automatic completion before version 3.1, it is generally necessary to define it in the model or use the setProperty method to dynamically set attributes. The disadvantage is that it is not convenient to dynamically change and adjust attributes. However, version 3.1 adds two coherent operations: auto and validate in the model class, which are used to dynamically s

So far, supervised learning of neural networks has been described, that is, learning samples are labeled. Now let's assume we have a training set without tags, where. an automatic encoder is a neural network that uses reverse propagation for unsupervised learning. The purpose of learning is to make the output value equal to the input value. the following is an automatic Encoder: The

Oracle Automatic Diagnostic archives (ADR), automatic diagnostic workflows, and ADRCI tools. Automatic diagnosis workflow: With a memory tracking tool that is always on, the database component can capture diagnostic data when a serious error occurs for the first time. The system automatically maintains a special archive named "

Verify that the user has logged on and has enabled Automatic Logon (50) and automatic logon 50 Verify that the user has logged on PackageCn. hongxin. filter; ImportJava. io. IOException; ImportJavax. servlet. Filter; ImportJavax. servlet. FilterChain; ImportJavax. servlet. FilterConfig; ImportJavax. servlet. ServletException; ImportJavax. servlet. ServletRequest; ImportJavax. servlet. ServletResponse; Impor

DB2 10 introduces a more management method for tablespaces that manage data storage based on temperature, but requires the database to enable automatic storage management. The specific storage path is in a directory, it takes two steps to convert a table space that is not automatically stored into an automatic storage management method, especially for databases that have been upgraded from a lower version.