You can adjust and view the LucidLink cache through the control panel or with the command-line interface 'lucid cache' and 'lucid config' commands. 

Locate the LucidLinklogo within the Taskbar to access the control panel. Type your password and select Open control panel.

Navigate to settings and local cache size. The default cache is 5GB and can be increased to 1TB. 

Ensure you have sufficient free disk space available or change where your cache is stored on disk, please review how to link to your Filespace with a specific cache location.

Command-line interface

The Lucid cache can be used to see the current cache configuration and turn the cache on or off.

Usage: lucid cache [options]

Display cache information as well as control the cache
Options:
    [--info]              Display cache information
    --on                  Turn the cache on
    --off                 Turn the cache off
--drop Clear all evictable pages from the cache.
--size size Size of the cache in MiB

Cache status:

lucid cache

State: enabled
Backend writes: enabled
Page size: 257KiB
Maximum configured size: 2.93GiB
Current size on disk: 2.93GiB
Pinned size on disk: 0B
Available size for pinning: 2.34GiB
Remaining upload: 0B

Flush cache:

lucid cache --drop

To change the cache size from the command line you need to use lucid config.

usage: lucid config --explain [--KEY1 --KEY2 ...]

Key:               DataCache.Size
Description:       Local data cache size. Default is 5GiB.
Value constraints: Min 100MiB. Max 1TiB. Supported unit suffixes: M(iB), G(iB), T(iB).
Default value:     5GiB

Example: change lucid cache size to 10GB (applied once there are no remaining uploads)

lucid config --set --DataCache.Size 10G