Help Center
Choose product document...
Veeam Backup & Replication 9.5 Update 4
User Guide for Microsoft Hyper-V

Cache

Veeam Backup & Replication caches data that is being retrieved from external repositories every time a backup copy job or restore session is performed.

Such an approach helps not only to reduce the amount of cost-expensive operations incurred by Amazon, but also decrease the amount of traffic being sent over the network.

Consider the following:

  • Cache is created on a gateway server while the following activities are being processed:
    • Backup copy jobs.
    • Restore sessions.
  • Cache is not created upon the addition of Amazon S3 object storage as an external repository to the Veeam Backup & Replication console.
  • Cache consists of metadata of blocks being retrieved from external repositories.
  • Cache is written to:
    • On a Windows-based gateway server: C:\ProgramData\Veeam\Backup\AmazonS3Cache
    • On a Linux-based gateway server: \var\veeam\backup\AmazonS3Cache
  • Cache is reused and updated during each subsequent execution of a backup copy job or restore session.
  • Cache size limit is 10GB. Once reached, Veeam will purge obsolete cache by 20% preserving most frequently used parts. Purging is done by the maintenance job.
  • Cache is removed in the following cases:
    • An external repository has been removed from the Veeam Backup & Replication console.
    • The gateway server has been changed in the settings of the external repository configuration.
    • The backup file has been removed from the external repository.
    • During the maintenance job session.
  • Cache can be removed manually without affecting the backup infrastructure in any negative way.

Related Topics

Veeam Large Logo

User Guide for VMware vSphere

User Guide for Microsoft Hyper-V

Enterprise Manager User Guide

Veeam Cloud Connect Guide

Veeam Agent Management Guide

Veeam Explorers User Guide

Backup and Restore of SQL Server Databases

Veeam Plug-ins for Enterprise Applications

PowerShell Reference

Veeam Explorers PowerShell Reference

RESTful API Reference

Required Permissions Reference

Quick Start Guide for VMware vSphere

Quick Start Guide for Microsoft Hyper-V

Veeam Availability for Nutanix AHV Documentation

Veeam Backup for Microsoft Office 365 Documentation

Veeam ONE Documentation

Veeam Agent for Windows Documentation

Veeam Agent for Linux Documentation

Veeam Management Pack Documentation