Manipulating the Cache

The cache directory is stored at cachePath (by default %ProgramData%\Flux Inc\DICOM Capacitor\cache or /var/lib/dicom-capacitor/data/cache). This directory contains all of the DICOM data that has been received and is currently being processed by DICOM Capacitor.

In designing Capacitor we have made every effort to ensure that it can handle manual manipulation of the cache. This means that you can move or delete files from the cache without causing any issues. Please note that doing so may cause Capacitor to abort any currently pending operations on the affected files, and output errors or warnings to the log file.

The cache directory contains the following subdirectories:

• new/: Contains incoming unprocessed DICOM data
• prepared/: Contains DICOM data that has been prepared for storage
• receipts/: Contains storage receipts, which are used to confirm that data has been stored
• logs/: Contains individual instance logs named: /{YEAR}/{MONTH}/{DAY}/{DESTINATION_AE}/{SOURCE_AE}/{SOP}_{INSTANCE_UID}.log - which are automatically deleted after config.yml/daysToKeepLogs days
• pendingneventreportrequest/: Contains pending N-EVENT-REPORT requests for Storage Commitment
• rejected/: Contains DICOM data that has been rejected by recipient nodes
• expired/: Contains DICOM data that has expired as per the config.yml/expiryThreshold setting
• failed/: Contains DICOM data that has failed to be stored for some unexpected reason