ENTscale CLOUD&IDC

Cloud DB

Do you want to use as much as you need when you need
to quickly and easily build a database server
Is it difficult to build a database?
Now try using the easiest and fastest DB service.

Cloud DB(Database Service) RDBMS Service?

It is service enabling construction of database without users' initial investments on hardware, software and DB administrator so users only have to pay rate based on usage in database system. Users can also focus on development and operations of database-based products and service by entrusting uCloud DB service with burden of database management.

Advantages of Cloud DB

1. Easy and convenient management on database
Functions required for database management including backup, snapshot, patch, setting, scale and monitoring can be automatically performed with simple web operations, which minimizes users' burdens on database management.

2. Easy database transfer
You can easily use by interworking with uCloud DB service without modifying existing database applications and 3rd party tools.

3. Safe backup management
Backup is automatically executed and saved for period available for restoration set by a user.
Users can restore any time past whenever they want within the period available for restoration from now.

4. Convenient saving of backup data by utilizing snapshot function
Snapshot is preserved regardless of deletion of original database and a new database can be created with the same state in taking snapshots.

5. Providing automatic patch function
Application patch in database In use is automatically processed without separate management during the maintenance period set by users.

6. Optimization of computer resource management
It can flexibly respond to increase in database usage through scaling function assigned to database and provides database setting optimized to the amount of computing resources in use.

7. Convenient Monitoring
Items that users should notice with using database in real time are provided by monitoring. Users can conveniently and quickly understand the current state of database they use through monitoring provided by Cloud DB service.

Physical Server

Classification	Physical Server-based Database	Cloud DB
Cost Reduction	- Purchasing cost for Hardware including spare capacity - Operation costs such as Network/Field/Electricity incurred - Sunk costs incurred when terminating a period necessary	- Use of capacity as much as needed, Charged by usage - Reduction on additional operation costs - No sunk costs incurred when terminating service
Extendability	- Limited physical capacity on an existing system - Addition/Replacement of Hardware required for expanding capacity	- Able to easily expand by adding virtual server(VM)
Promptness	- Installation time such as Delivery and Installation required	- Service provided within 5 minutes by automatically assigning resources - Providing ADMIN function as service
Stability	- Out of service with Hardware errors - System Redundancy required in case of errors. - Establishment of backup and restoration procedures required.	- Switch to spare Cloud resources, Prompt recovery from errors - System Redundancy Unnecessary - Supporting easy backup and restoration by selecting UI options

Major Functions

1. Providing Read Replica-based extendability

As web applications are highly subject to horizontal expansion (Scale Out) due to characteristics of service, uCloud DB is equipped with extendability to respond to this trend. In regard to extendability from the view of database reading and writing, most of web applications involve more reading operations than that of writing. To support this kind of characteristic, Reqd Replica-oriented extendability is provided.

Function of creating Read Replica

Function of controlling Read Replica

Function of Creating/Deleting/controlling DB Instance

Function of management and control in Replica Group

Function of Binary Log management

2. Providing snapshot-based backup function

Backup is a function of absolute need in database service. Primary Storage performs Full Backup by efficiently interworking with Secondary Storage or object storage on snapshot (Instant Snapshot, Incremental Snapshot).

Function to create and delete Data Volume backup copy

Function to control DB VM Instance backup

Function of backup-related Binary Log management

Daily backup scheduling function

Time Restoration Function in Snapshot-based Backup

Function of backup group management

3. Supporting MY-SQL Multi Version

It provides a function to add InnoDB engine of MY-SQL 5.5 version to service which is more stable than MY-SQL 5.1 currently offered by Cloud DB and is with 3-4 times stronger performance at maximum.

Function to manage MY-SQL 5.5 template

Function to manage MY-SQL 5.5 parameter

Function to manage MY-SQL Multi Version

4. Security Function Enhancement

One of the biggest issues of Cloud service is security. By enhancing security for prevention of hacking on users' systems and enabling users to safely use service, users can take advantage of network security function which blocks inappropriate network access or permits network access only in a certain system.

Function to manage database access control group

Function of applying and managing rules on groups of access restrictions

Management on item of DB Instance access control

Function to issue and manage uCloud DB certificate

Function to manage MY-SQL TLS secure access

Function of firewall management

5. Providing Open API function

Functions of Cloud DB service currently provided by web portal are offered as Open API

6. Providing high specification database VM

High specification database VM(12vCore 32GB) of Scape Up structure is provided to customers demanding high-performance database.

Supporting Cent OS(64 bit) 32GB memory

Creating and managing high specification uCloud DB template

7. Providing expansion in range of DB tuning parameter setting

Database tuning parameters that customers can directly set are provided from expanding by 50 items.

Function to set up MY-SQL 5.1 parameter added

Function to set up MY-SQL 5.5 parameter added

Providing record on additional parameter setting and function of application

8. Advancement of user and manager function

Existing user UX is improved and API functions for managers are provided.

Service Composition

Classification	Characteristics	Note
OS&DB	- Linux (CentOS) - MY-SQL 5.1 community version	- Providing default Admin function for use of DataBase
Function	- DB Backup - Add Capacity - Product Change (scale up/down by selecting superordinate product) - Parameter Management

Service Rate

Unit:(USD)/month

Classification	Specification included in Default			Monthly Rate(month)	Hourly Rate(hour)
	CPU	Memory	Disk
	(vCore)	(GB)	(GB)
Cloud DB	1	1	100	$30.00	$0.04
	1	2		$45.00	$0.06
	2	2		$60.00	$0.08
	2	4		$89.00	$0.12
	2	8		$148.00	$0.21
	4	4		$119.00	$0.17
	4	8		$178.00	$0.25
	4	16		$295.00	$0.41
	8	8		$239.00	$0.33
	8	16		$356.00	$0.49
	8	32		$589.00	$0.82
	12	16		$417.00	$0.58
	12	32		$650.00	$0.90

Storage/backup storage/snapshot storage

Unit:(USD)

Storage(Data Region)	per add 10GB	per month $0.67	per hour $0.001

Network Usage

Monthly usage less than 100GB per VM	Free
Monthly usage by customer (on an ID basis) over 100 GB	Refer to the table below.

Unit:(USD)/GB

Classification	Application by VM	Application by Customer (by ID)
Classification	Less than 100 GB per VM	100 GB ~ 10 TB	10 TB ~ 20 TB	Over 20TB
Discount rate	-	-	11%	22%
Rate by Section	0	$0.082	$0.073	$0.064

※ Calculation based on accumulation by monthly unit (In case of a customer using short-time plan, above data transmission amount is charged by monthly accumulation regardless of termination.).

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