Distributed Cache Service (DCS) for Memcached

Distributed Cache Service (DCS) for Memcached

Distributed Cache Service (DCS) for Memcached is a high-performance, distributed in-memory database service. It is a fully-managed service that uses an HA architecture and supports fault recovery. DCS for Memcached ensures high read/write performance and fast data access.

Distributed Cache Service (DCS) for Memcached is a high-performance, distributed in-memory database service. It is a fully-managed service that uses an HA architecture and supports fault recovery. DCS for Memcached ensures high read/write performance and fast data access.
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Product Advantages

Product Advantages

  • Usable Off the Shelf

    Configure and launch cache servers within minutes, with just a few clicks. Buy on-demand resources and migrate your services to the cloud platform without any modifications.
    Configure and launch cache servers within minutes, with just a few clicks. Buy on-demand resources and migrate your services to the cloud platform without any modifications.

  • Easily Scalable

    Quickly scale your DCS instances to your desired capacity with just a few clicks, without interrupting services.
    Quickly scale your DCS instances to your desired capacity with just a few clicks, without interrupting services.

  • Secure and Reliable

    HA architecture ensures that faults in a single cache node do not affect services. Username/Password-specific access and audit logs keep your data secure and traceable.
    HA architecture ensures that faults in a single cache node do not affect services. Username/Password-specific access and audit logs keep your data secure and traceable.

  • Fully Managed

    DCS for Memcached monitors over 30 metrics for your services based on custom alarm thresholds so that service abnormalities can be detected in a timely manner.
    DCS for Memcached monitors over 30 metrics for your services based on custom alarm thresholds so that service abnormalities can be detected in a timely manner.

Application Scenarios

  • Gaming

  • E-Commerce

  • Internet

  • Finance

Gaming

Gaming

DCS for Memcached provides fast access to leaderboards.

Advantages

Fast Data Access
Retrieve frequently accessed data (such as leaderboards) from an in-memory data cache instead of relying entirely on slower disk-based databases.
Easy Scalability
With just a few clicks, resize your DCS instances online to accommodate application load spikes.
Backup and Restoration
Back up data to OBS and restore it with just a few clicks.

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E-Commerce

E-Commerce

DCS for Memcached provides fast concurrent access to frequently requested data, such as best sellers and daily deals, and is scaled easily as loads increase.

Advantages

High Concurrency
DCS for Memcached supports up to 100,000 queries per second.
Easy Scalability
With just a few clicks, resize your DCS instances online to accommodate application load spikes.
Data Persistence
Data is automatically transferred to disks, maintaining data durability and security.

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Internet

Internet

DCS for Memcached is ideal for social networking and web apps. The Memcached Set data structure can maintain friend connection data, while the String data can maintain static cache files.

Advantages

High Concurrency
DCS for Memcached supports up to 100,000 queries per second.
Pay-per-Use
Get the DCS instances you need and only pay for what you actually use.
Easy Scalability
With just a few clicks, resize your DCS instances online to accommodate application load spikes.

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ecs

elb

Finance

Finance

DCS for Memcached delivers high data concurrency, security, and reliability for financial apps.

Advantages

High Availability
HA architecture ensures that faults in a single cache node do not affect services.
Security
Security measures include requiring credentials (username and password) and providing audit logs.
Backup and Restoration
Data can be backed up to OBS and restored with just a few clicks.

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Functions

Functions

  • High Availability

    If a master cache node becomes faulty, the standby cache node will take over traffic within seconds.
    If a master cache node becomes faulty, the standby cache node will take over traffic within seconds.

  • Flexible Specs

    Choose between single-node and master/standby instances from 2 GB to 64 GB.
    Choose between single-node and master/standby instances from 2 GB to 64 GB.

  • Scalability

    DCS instances scale without hits, as loads increase.
    DCS instances scale without hits, as loads increase.

  • Failover

    Failover

    DCS clients will not perceive any failover because the instance IP address exposure remains unchanged.

    DCS clients will not perceive any failover because the instance IP address exposure remains unchanged.

  • Single-Node DCS Instance
    Single-Node DCS Instance
    Each DCS instance runs on only one cache node and provides 2 GB to 64 GB in storage capacity. This type of DCS instance is recommended only when caching is needed.
    Each DCS instance runs on only one cache node and provides 2 GB to 64 GB in storage capacity. This type of DCS instance is recommended only when caching is needed.

  • Master/Standby DCS Instance

    Master/Standby DCS Instance

    Each DCS instance provides 2 GB to 64 GB in storage capacity and runs on two cache nodes, one master and one standby. This type of DCS instance is recommended when high availability is needed.

    Each DCS instance provides 2 GB to 64 GB in storage capacity and runs on two cache nodes, one master and one standby. This type of DCS instance is recommended when high availability is needed.

  • Online Scaling
    Online Scaling
    With just a few clicks on the DCS for Memcached console, scale your instances to the needed capacity with no service downtime (master/standby instances), or with minimal interruption at the minute range (single-node instances).
    With just a few clicks on the DCS for Memcached console, scale your instances to the needed capacity with no service downtime (master/standby instances), or with minimal interruption at the minute range (single-node instances).

  • Data Reliability

    By default, data persistence is enabled for master/standby DCS instances. Data is flushed to disks with second-level latency.
    By default, data persistence is enabled for master/standby DCS instances. Data is flushed to disks with second-level latency.

  • Security

    Security measures include user identity authentication, VPCs, subnets, security groups, and audit logs.
    Security measures include user identity authentication, VPCs, subnets, security groups, and audit logs.

  • Metric Monitoring

    You can view more than 30 metrics and customize alarm thresholds and policies.
    You can view more than 30 metrics and customize alarm thresholds and policies.

  • Data Persistence

    Data Persistence

    DCS for Memcached is suitable for scenarios that require large capacities, medium read/write speeds, and few transactions.

    DCS for Memcached is suitable for scenarios that require large capacities, medium read/write speeds, and few transactions.

  • Data Backup
    Data Backup
    You can initiate a manual backup at any time, or create policies to automatically back up data daily during off-peak hours. Each piece of data has three replicas. If an error occurs, or data becomes corrupted, you can restore your data from a backup with just a few clicks.
    You can initiate a manual backup at any time, or create policies to automatically back up data daily during off-peak hours. Each piece of data has three replicas. If an error occurs, or data becomes corrupted, you can restore your data from a backup with just a few clicks.
  • Network Isolation
    Network Isolation
    Tenants in different VPCs or security groups cannot connect with each other or access each other's resources, keeping assets separated and compartmentalized if necessary.
    Tenants in different VPCs or security groups cannot connect with each other or access each other's resources, keeping assets separated and compartmentalized if necessary.
  • Traceability
    Traceability
    DCS for Memcached works with Cloud Trace Service to record and audit tenant management operations.
    DCS for Memcached works with Cloud Trace Service to record and audit tenant management operations.

  • User Authorization

    User Authorization

    DCS for Memcached checks password complexity and protects against password cracking.

    DCS for Memcached requires users to change or reset DCS instance passwords periodically.

    DCS for Memcached checks password complexity and protects against password cracking.

    DCS for Memcached requires users to change or reset DCS instance passwords periodically.

  • A Wide Range of Metrics
    A Wide Range of Metrics
    Resource usage metrics include CPU usage, physical memory usage, network input/output throughput.
    Resource usage metrics include CPU usage, physical memory usage, network input/output throughput.
  • Custom Alarm Thresholds and Policies
    Custom Alarm Thresholds and Policies
    Specify your own alarm thresholds and policies based on monitoring metrics to detect service abnormalities in a timely manner.
    Specify your own alarm thresholds and policies based on monitoring metrics to detect service abnormalities in a timely manner.

Recommended Configurations

Entry-level

2 GB, single-node DCS instance

Micro- and small-sized Internet apps | Testing environments of small- and medium-sized enterprises

  • Up to 10,000 concurrent connections

  • Flexible scaling

  • Distinctive security features

$0.040 USD /hour

Learn more
Advanced

16 GB, master/standby DCS instance

Medium-sized Internet apps | Production environments of small- and medium-sized enterprises

  • HA architecture

  • Data backup and restoration

  • Data persistence

$0.550 USD /hour

Learn more
Professional

64 GB, master/standby DCS instance

Medium- and large-sized application systems

  • HA architecture with larger capacity

  • Data backup and restoration

  • Data persistence

$1.750 USD /hour

Learn more
Usage Guides

Documentation

Documentation

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