Google Cloud
Why Google
  • Groundbreaking solutions. Transformative know-how.
  • Whether your business is early in its journey or well on its way to digital transformation, Google Cloud's solutions and technologies help chart a path to success.
  • Learn more
  • Why Google Cloud
  • Choosing Google Cloud
    Reasons why people choose us
  • Trust and security
    Keep your data secure and compliant
  • Open cloud
    Scale with open, flexible technology
  • Global infrastructure
    Build on the same infrastructure Google uses
  • Analyst reports
    See how Google Cloud ranks
  • Customer stories
    Learn how businesses use Google Cloud
  • Partners
    Tap into our global ecosystem of cloud experts
  • Google Cloud Blog
    Read the latest stories and product updates
  • Events
    Join events and learn more about Google Cloud
Solutions
  • Featured Solutions
  • COVID-19 solutions
    Tools to get work done more safely and securely.
  • Infrastructure Modernization
    Migration tools for workloads like VMware, SAP, and Oracle.
  • Data Center Migration
    Migration solutions for VMs, apps, databases, and more.
  • Data Warehouse Modernization
    Serverless data warehouse with built-in machine learning.
  • API Management
    Platform to design, secure, analyze, and scale APIs anywhere.
  • Web Hosting
    Website hosting and deployment with 99.95% guaranteed uptime.
  • Hybrid and Multi-cloud
    Services and integrations to build and scale apps.
  • Build and Use AI
    Flexible machine learning products for any level of expertise.
  • Retail
    Analytics and collaboration tools for the retail value chain.
  • Financial Services
    Computing, data management, and analytics tools for financial services.
  • Healthcare and Life Sciences
    Health-specific solutions to enhance the patient experience.
  • Government
    Data storage, AI, and analytics solutions for government agencies.
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  • Industry Solutions
    Reduce cost, increase operational agility, and capture new market opportunities.
  • COVID-19 solutions
    Tools to get work done more safely and securely.
  • Retail
    Analytics and collaboration tools for the retail value chain.
  • Financial Services
    Computing, data management, and analytics tools for financial services.
  • Healthcare and Life Sciences
    Health-specific solutions to enhance the patient experience.
  • Media and Entertainment
    Solutions for content production and distribution operations.
  • Telecommunications
    Hybrid and multi-cloud services to deploy and monetize 5G.
  • Gaming
    AI-driven solutions to build and scale games faster.
  • Manufacturing
    Migration and AI tools to optimize the manufacturing value chain.
  • Government
    Data storage, AI, and analytics solutions for government agencies.
  • Education
    Teaching tools to provide more engaging learning experiences.
  • Cloud Natives
    Resources and solutions tailored for the needs of cloud-native organizations.
  • Small Business
    Productivity tools, website hosting, analytics, and more.
  • Infrastructure Modernization
    Migrate quickly with solutions for SAP, VMware, Windows, Oracle, and other workloads.
  • VM Migration
    Discovery and analysis tools for moving to the cloud.
  • SAP on Google Cloud
    Certifications for running SAP applications and SAP HANA.
  • VMware as a Service
    Solution for running VMware workloads on Google Cloud.
  • High Performance Computing
    Compute, storage, and networking options to support any workload.
  • Windows on Google Cloud
    Tools and partners for running Windows workloads.
  • Data Center Migration
    Migration solutions for VMs, apps, databases, and more.
  • Marketing Technology
    Tools for app hosting, real-time bidding, ad serving, and more.
  • Virtual desktops
    Remote work solutions for desktops and applications (VDI & DaaS).
  • Data Management
    Migrate and manage enterprise data with security, reliability, high availability, and fully managed data services.
  • Database Migration
    Guides and tools to simplify your database migration life cycle.
  • Database Modernization
    Upgrades to modernize your operational database infrastructure.
  • Google Cloud Databases
    Database services to migrate, manage, and modernize data.
  • Migrate Oracle workloads to Google Cloud
    Rehost, replatform, rewrite your Oracle workloads.
  • Open Source Databases
    Fully managed open source databases with enterprise-grade support.
  • SQL Server on Google Cloud
    Options for running SQL Server virtual machines on Google Cloud.
  • Application Modernization
    Develop and run applications anywhere, using cloud-native technologies like containers, serverless, and service mesh.
  • Anthos Hybrid and Multi-cloud
    Platform for modernizing, running, and building new apps.
  • API Management
    Platform to design, secure, analyze, and scale APIs anywhere.
  • Cloud-Native App Development
    End-to-end solution for building, deploying, and managing apps.
  • Hosting
    Services and infrastructure for building web apps and websites.
  • Istio Solutions
    Open source service mesh for running microservices.
  • Mobile Apps and Sites
    Back ends, tools, and integrations for mobile development.
  • Modernize Legacy Applications
    Cloud services for extending and modernizing legacy apps.
  • New Business Channels Using APIs
    Products for making data and services available as APIs.
  • Serverless Solutions
    Platform for writing code and building full-stack applications.
  • DevOps
    Processes and resources for implementing DevOps in your org.
  • Configuration Management
    Tools for automating and maintaining system configurations.
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  • See all application modernization solutions
  • Smart Analytics
    Generate instant insights from data at any scale with a serverless, fully managed analytics platform that significantly simplifies analytics.
  • Data Warehouse Modernization
    Data warehouse to jumpstart your migration and unlock insights.
  • Stream Analytics
    Insights from ingesting, processing, and analyzing event streams.
  • Marketing Analytics
    Solutions for collecting, analyzing, and activating customer data.
  • Data Lake Modernization
    Services for building and modernizing your data lake.
  • Business Intelligence
    Data analytics tools for collecting, analyzing, and activating BI.
  • Artificial Intelligence
    Add intelligence and efficiency to your business with AI and machine learning.
  • Build and Use AI
    Products to build and use artificial intelligence.
  • Contact Center AI
    AI model for speaking with customers and assisting human agents.
  • Document AI
    Machine learning and AI to unlock insights from your documents.
  • Cloud Talent Solution
    AI with job search and talent acquisition capabilities.
  • Security
    Detect, investigate, and respond to online threats to help protect your business.
  • Application Security
    App protection against fraudulent activity, spam, and abuse.
  • Security Analytics and Operations
    Solution for analyzing petabytes of security telemetry.
  • Productivity and Collaboration
    Change the way teams work with solutions designed for humans and built for impact.
  • G Suite
    Collaboration and productivity tools for enterprises.
  • Enterprise Mobility
    Solutions for IT admins to empower mobile employees.
  • Cloud Identity
    Unified platform for IT admins to manage user devices and apps.
  • Chrome Enterprise
    Chrome OS, Chrome Browser, and Chrome devices built for business.
  • Drive Enterprise
    Cloud storage and collaboration sold separately from G Suite.
  • Cloud Search
    Enterprise search for employees to quickly find company information.
Products
  • Featured Products
  • Compute Engine
    Virtual machines running in Google’s data center.
  • Cloud Storage
    Object storage that’s secure, durable, and scalable.
  • Cloud SDK
    Command-line tools and libraries for Google Cloud.
  • Cloud SQL
    Relational database services for MySQL, PostgreSQL, and SQL server.
  • Google Kubernetes Engine
    Managed environment for running containerized apps.
  • BigQuery
    Data warehouse for business agility and insights.
  • Cloud CDN
    Content delivery network for delivering web and video.
  • Dataflow
    Streaming analytics for stream and batch processing.
  • Operations
    Monitoring, logging, and application performance suite.
  • Cloud Run
    Fully managed environment for running containerized apps.
  • Cloud Functions
    Event-driven compute platform for cloud services and apps.
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  • See all products (100+)
  • Compute
  • Compute Engine
    Virtual machines running in Google’s data center.
  • App Engine
    Serverless application platform for apps and back ends.
  • Cloud GPUs
    GPUs for ML, scientific computing, and 3D visualization.
  • Migrate for Compute Engine
    Server and virtual machine migration to Compute Engine.
  • Preemptible VMs
    Compute instances for batch jobs and fault-tolerant workloads.
  • Shielded VMs
    Reinforced virtual machines on Google Cloud.
  • Sole-Tenant Nodes
    Dedicated hardware for compliance, licensing, and management.
  • Bare Metal
    Infrastructure to run specialized workloads on Google Cloud.
  • Recommender
    Usage recommendations for Google Cloud products and services.
  • VMware Engine
    Migrate and run your VMware workloads natively on Google Cloud.
  • Storage
  • Cloud Storage
    Object storage that’s secure, durable, and scalable.
  • Filestore
    NFS for apps and data that require file system capabilities.
  • Persistent Disk
    Block storage for virtual machine instances running on Google Cloud.
  • Cloud Storage for Firebase
    Object storage for storing and serving user-generated content.
  • Databases
  • Cloud Bigtable
    NoSQL wide-column database for storing big data with low latency.
  • Firestore
    NoSQL document database for mobile and web application data.
  • Memorystore
    In-memory data store service for Redis for fast data processing.
  • Cloud Spanner
    Relational database management system for database administration.
  • Cloud SQL
    Relational database services for MySQL, PostgreSQL, and SQL server.
  • Firebase Realtime Database
    NoSQL cloud database for storing and syncing data in real time.
  • Networking
  • Cloud Armor
    Security policies and defense against web and DDoS attacks.
  • Cloud CDN
    Content delivery network for serving web and video content.
  • Cloud DNS
    Domain name system for reliable and low-latency name lookups.
  • Cloud Load Balancing
    Service for distributing traffic across applications and regions.
  • Cloud NAT
    NAT service for giving private instances internet access.
  • Hybrid Connectivity
    Connectivity options for VPN, peering, and enterprise needs.
  • Network Intelligence Center
    Network monitoring, verification, and optimization platform.
  • Network Service Tiers
    Cloud network options based on performance, availability, and cost.
  • Network Telemetry
    VPC flow logs for network monitoring, forensics, and security.
  • Traffic Director
    Traffic control pane and management for open service mesh.
  • Virtual Private Cloud
    Virtual network for Google Cloud resources and cloud-based services.
  • Service Directory
    Platform for discovering, publishing, and connecting services.
  • Operations
  • Cloud Logging
    Google Cloud audit, platform, and application logs management.
  • Cloud Monitoring
    Infrastructure and application health with rich metrics.
  • Error Reporting
    Application error identification and analysis.
  • Kubernetes Engine Monitoring
    GKE app development and troubleshooting.
  • Service Monitoring
    SLO monitoring and alerting.
  • Cloud Trace
    Tracing system collecting latency data from applications.
  • Cloud Profiler
    CPU and heap profiler for analyzing application performance.
  • Cloud Debugger
    Real-time application state inspection and in-production debugging.
  • Transparent Service Level Indicators
    SLIs for monitoring Google Cloud services and their effects on your workloads.
  • Developer Tools
  • Cloud SDK
    Command line tools and libraries for Google Cloud.
  • Container Registry
    Private Docker storage for container images on Google Cloud.
  • Cloud Build
    Continuous integration and continuous delivery platform.
  • Cloud Source Repositories
    Private Git repository to store, manage, and track code.
  • Cloud Scheduler
    Cron job scheduler for task automation and management.
  • Tekton
    Kubernetes-native resources for declaring CI/CD pipelines.
  • Cloud Tasks
    Task management service for asynchronous task execution.
  • Cloud Code
    IDE support to write, run, and debug Kubernetes applications.
  • Tools for Visual Studio
    Tools to enable development in Visual Studio on Google Cloud.
  • Tools for Eclipse
    Plugin for Google Cloud development inside the Eclipse IDE.
  • Cloud Code for IntelliJ
    IDE support for debugging production cloud apps inside IntelliJ.
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  • Data Analytics
  • BigQuery
    Data warehouse for business agility and insights.
  • Looker
    Platform for BI, data applications, and embedded analytics.
  • Dataflow
    Streaming analytics for stream and batch processing.
  • Pub/Sub
    Messaging service for event ingestion and delivery.
  • Dataproc
    Service for running Apache Spark and Apache Hadoop clusters.
  • Cloud Data Fusion
    Data integration for building and managing data pipelines.
  • Cloud Composer
    Workflow orchestration service built on Apache Airflow.
  • Data Catalog
    Metadata service for discovering, understanding and managing data.
  • Dataprep
    Service to prepare data for analysis and machine learning.
  • Google Data Studio
    Interactive data suite for dashboarding, reporting, and analytics.
  • Google Marketing Platform
    Marketing platform unifying advertising and analytics.
  • Cloud Life Sciences
    Tools for managing, processing, and transforming biomedical data.
  • AI and Machine Learning
  • Speech-to-Text
    Speech recognition and transcription supporting 120 languages.
  • Vision AI
    Custom and pre-trained models to detect emotion, text, more.
  • Text-to-Speech
    Speech synthesis in 180+ voices and 30+ languages.
  • Cloud Translation
    Language detection, translation, and glossary support.
  • Natural Language
    Sentiment analysis and classification of unstructured text.
  • AutoML
    Custom machine learning model training and development.
  • AI Platform
    Platform for training, hosting, and managing ML models.
  • Video AI
    Video classification and recognition using machine learning.
  • Cloud TPU
    Tensor processing units for machine learning applications.
  • Dialogflow
    Conversation applications and systems development suite.
  • AutoML Tables
    Service for training ML models with structured data.
  • Not seeing what you're looking for?
  • See all AI and machine learning products
  • API Management
  • Apigee API Platform
    API management, development, and security platform.
  • Analyze APIs
    Dashboards, custom reports, and metrics for API performance.
  • Monetize APIs
    Revenue stream and business model creation from APIs.
  • Apigee Hybrid
    Deployment option for managing APIs on-premises or in the cloud.
  • Apigee Sense
    Intelligent behavior detection to protect APIs.
  • Cloud Endpoints
    Deployment and development management for APIs on Google Cloud.
  • Developer Portal
    Self-service and custom developer portal creation.
  • Apigee Healthcare APIx
    FHIR API-based digital service formation.
  • Apigee Open Banking APIx
    Open banking and PSD2-compliant API delivery.
  • Cloud Healthcare API
    Solution to bridge existing care systems and apps on Google Cloud.
  • AppSheet
    No-code development platform to build and extend applications.
  • Hybrid and Multi-cloud
  • Anthos
    Platform for modernizing existing apps and building new ones.
  • Anthos GKE
    Solution to run containerized apps across different environments.
  • Anthos Config Management
    Policy and security automation for hybrid Kubernetes deployments.
  • Anthos Service Mesh
    Managed service mesh for complex microservices architectures.
  • Cloud Run for Anthos
    Integration that provides a serverless development platform on GKE.
  • Google Cloud Marketplace for Anthos
    Containerized apps with prebuilt deployment and unified billing.
  • Migrate for Anthos
    Tool to move workloads and existing applications to GKE.
  • Operations
    Monitoring, logging, and application performance suite.
  • Cloud Build
    Service for executing builds on Google Cloud infrastructure.
  • Traffic Director
    Traffic control pane and management for open service mesh.
  • Apigee API Management
    API management, development, and security platform.
  • Migration
  • BigQuery Data Transfer Service
    Data import service for scheduling and moving data into BigQuery.
  • Cloud Data Transfer
    Tools and services for transferring your data to Google Cloud.
  • Cloud Foundation Toolkit
    Reference templates for Deployment Manager and Terraform.
  • Transfer Service
    Data transfers from online and on-premises sources to Cloud Storage.
  • Migrate for Anthos
    Components for migrating VMs into system containers on GKE.
  • Migrate for Compute Engine
    Components for migrating VMs and physical servers to Compute Engine.
  • Transfer Appliance
    Storage server for moving large volumes of data to Google Cloud.
  • VM Migration
    VM migration to the cloud for low-cost refresh cycles.
  • Security and Identity
  • Cloud IAM
    Permissions management system for Google Cloud resources.
  • Shielded VMs
    Virtual machines hardened with security controls and defenses.
  • Cloud Key Management Service
    KMS for creating, importing, and managing cryptographic keys.
  • Resource Manager
    Hierarchical management for organizing resources on Google Cloud.
  • Security Command Center
    Platform for defending against threats to your Google Cloud assets.
  • Cloud Data Loss Prevention
    Sensitive data inspection, classification, and redaction platform.
  • Cloud Identity
    Unified platform for IT admins to manage user devices and apps.
  • Managed Service for Microsoft Active Directory
    Hardened service running Microsoft® Active Directory (AD).
  • Access Transparency
    Cloud provider visibility through near real-time logs.
  • Cloud HSM
    Crypto key protection with a managed hardware security service.
  • Titan Security Key
    Two-factor authentication device for user account protection.
  • Not seeing what you're looking for?
  • See all security and identity products
  • Serverless Computing
  • Cloud Run
    Fully managed environment for running containerized apps.
  • Cloud Functions
    Platform for creating functions that respond to cloud events.
  • App Engine
    Serverless application platform for apps and back ends.
  • Knative
    Components to create Kubernetes-native cloud-based software
  • Containers
  • Google Kubernetes Engine
    Managed environment for running containerized apps.
  • Container Registry
    Registry for storing, managing, and securing Docker images.
  • Container Security
    Container environment security for each stage of the life cycle.
  • Container Options
    Environments and services to run containers on Google Cloud.
  • Cloud Build
    Solution for running build steps in a Docker container.
  • Deep Learning Containers
    Containers with data science frameworks, libraries, and tools.
  • Kubernetes Applications
    Containerized apps with prebuilt deployment and unified billing.
  • Artifact Registry
    Package manager for build artifacts and dependencies.
  • Internet of Things
  • Cloud IoT Core
    IoT device management, integration, and connection service.
  • Edge TPU
    ASIC designed to run ML inference and AI at the edge.
  • Management Tools
  • Cloud Shell
    Interactive shell environment with a built-in command line.
  • Cloud Console
    Web-based interface for managing and monitoring cloud apps.
  • Cloud Deployment Manager
    Service for creating and managing Google Cloud resources.
  • Cloud Mobile App
    App to manage Google Cloud services from your mobile device.
  • Cloud APIs
    Programmatic interfaces for Google Cloud services.
  • Private Catalog
    Service catalog for admins managing internal enterprise solutions.
  • Cost Management
    Tools for monitoring, controlling, and optimizing your costs.
  • Healthcare and Life Sciences
  • Apigee Healthcare APIx
    FHIR API-based digital service production.
  • Cloud Healthcare API
    Solution for bridging existing care systems and apps on Google Cloud.
  • Cloud Life Sciences
    Tools for managing, processing, and transforming biomedical data.
  • Media and Gaming
  • Game Servers
    Game server management service running on Google Kubernetes Engine.
  • Zync Render
    Platform for 3D modeling and rendering on Google Cloud infrastructure.
  • Anvato
    Media content platform for OTT services and video streaming.
  • OpenCue
    Open source render manager for visual effects and animation.
Pricing
  • Do more for less with Google Cloud
  • Our customer-friendly pricing means more overall value to your business.
  • Contact sales
  • Google Cloud Platform
  • Overview
    Pay only for what you use with no lock-in
  • Price list
    Pricing details on each GCP product
  • Calculators
    Calculate your cloud savings
  • Free on GCP
    Learn and build on GCP for free
  • More Cloud Products
  • G Suite
  • Google Maps Platform
  • Cloud Identity
  • Apigee
  • Firebase
  • Zync Render
Getting started
  • Get started with Google Cloud
  • Start building right away on our secure, intelligent platform. New customers can use a $300 free credit to get started with any GCP product.
  • Try GCP Free
  • Get Started
  • Resources to Start on Your Own
  • Quickstarts
    View short tutorials to help you get started
  • GCP Marketplace
    Deploy ready-to-go solutions in a few clicks
  • Training
    Enroll in on-demand or classroom training
  • Certification
    Become Google Cloud Certified
  • Get Help from an Expert
  • Consulting
    Jump-start your project with help from Google
  • Technical Account Management
    Get long-term guidance from Google
  • Find a Partner
    Work with a Partner in our global network
  • Become a Partner
    Join Google Cloud's Partner program
  • More ways to get started
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Google Cloud
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  • Google App Engine
  • All APIs & References
  • Glossary
  • PHP 5 App Engine API Reference
    • \google\appengine
      • Overview
      • \api
        • Overview
        • \app_identity
          • Overview
          • AppIdentityException
          • AppIdentityService
          • PublicCertificate
        • \cloud_storage
          • Overview
          • CloudStorageException
          • CloudStorageTools
        • \log
          • Overview
          • AppLogLine
          • LogException
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        • \mail
          • Overview
          • AdminMessage
          • BaseMessage
          • Message
        • \modules
          • Overview
          • InvalidModuleStateException
          • ModulesException
          • ModulesService
          • TransientModulesException
        • \taskqueue
          • Overview
          • PushQueue
          • PushTask
          • TaskAlreadyExistsException
          • TaskQueueException
          • TransientTaskQueueException
        • \users
          • Overview
          • User
          • UserService
          • UserServiceUtil
          • UsersException
      • \ext
        • Overview
        • \cloud_storage_streams
          • Overview
          • CloudStorageClient
          • CloudStorageDeleteClient
          • CloudStorageDirectoryClient
          • CloudStorageReadClient
          • CloudStorageRenameClient
          • CloudStorageStreamWrapper
          • CloudStorageUrlStatClient
          • CloudStorageWriteClient
          • HttpResponse
        • \session
          • Overview
          • MemcacheContainer
          • MemcacheSessionHandler
      • \runtime
        • Overview
        • ApiProxy
        • ApiProxyBase
        • ApplicationError
        • ArgumentError
        • CallNotFoundError
        • CancelledError
        • CapabilityDisabledError
        • DeadlineExceededError
        • DirectUploadHandler
        • Error
        • FeatureNotEnabledError
        • OverQuotaError
        • RealApiProxy
        • RemoteApiProxy
        • RequestTooLargeError
        • ResponseTooLargeError
        • RPCFailedError
        • VmApiProxy
      • \util
        • Overview
        • ArrayUtil
        • HttpUtil
        • StringUtil
  • Configuration files
    • Overview
    • app.yaml
    • cron.yaml
    • dos.yaml
    • dispatch.yaml
    • index.yaml
    • queue.yaml
  • Local Development Server Options
  • Command-Line Reference
    • gcloud app deploy
    • appcfg.py
  • Request Headers and Responses
  • Groundbreaking solutions. Transformative know-how.
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  • Why Google Cloud
  • Choosing Google Cloud
  • Trust and security
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  • Featured Solutions
  • COVID-19 solutions
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  • See all solutions
  • Industry Solutions
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  • Cloud Natives
  • Small Business
  • Infrastructure Modernization
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  • SAP on Google Cloud
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  • Windows on Google Cloud
  • Data Center Migration
  • Marketing Technology
  • Virtual desktops
  • Data Management
  • Database Migration
  • Database Modernization
  • Google Cloud Databases
  • Migrate Oracle workloads to Google Cloud
  • Open Source Databases
  • SQL Server on Google Cloud
  • Application Modernization
  • Anthos Hybrid and Multi-cloud
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  • Modernize Legacy Applications
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  • Serverless Solutions
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  • See all application modernization solutions
  • Smart Analytics
  • Data Warehouse Modernization
  • Stream Analytics
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  • Business Intelligence
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  • Build and Use AI
  • Contact Center AI
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  • Featured Products
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  • See all products (100+)
  • Compute
  • Compute Engine
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  • Migrate for Compute Engine
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  • Recommender
  • VMware Engine
  • Storage
  • Cloud Storage
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  • Persistent Disk
  • Cloud Storage for Firebase
  • Databases
  • Cloud Bigtable
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  • Cloud Armor
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  • Cloud Code
  • Tools for Visual Studio
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  • Cloud Code for IntelliJ
  • See all developer tools
  • Data Analytics
  • BigQuery
  • Looker
  • Dataflow
  • Pub/Sub
  • Dataproc
  • Cloud Data Fusion
  • Cloud Composer
  • Data Catalog
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  • Google Marketing Platform
  • Cloud Life Sciences
  • AI and Machine Learning
  • Speech-to-Text
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  • Text-to-Speech
  • Cloud Translation
  • Natural Language
  • AutoML
  • AI Platform
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  • Cloud TPU
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  • AutoML Tables
  • See all AI and machine learning products
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  • Analyze APIs
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  • Cloud Healthcare API
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  • Migrate for Anthos
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  • Security and Identity
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API Documentation

\google\appengine\ext\session

Classes

MemcacheContainer

Remove direct interaction with Memcache object for ease of mocking in tests.

MemcacheSessionHandler

A session handler interface using the GAE Memcache API.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2017-02-22.

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