When you use the Changelist feature for Dell EMC Isilon/PowerScale, a considerable reduction of more than 50 percent of the time taken for file scan operations is seen.
There is also a considerable reduction of CPU usage when you run Changelist backups compared to the CPU usage of a regular file system backup.
Job Results Directory Disk Space Requirements
You require a minimum of 4 GB of disk space for approximately 25 million files.
Data set for CIFS Shares (Windows)
The following table compares performance metrics of file scan time for a regular file system backup versus file scan operations that use the Changelist feature for Dell EMC Isilon/PowerScale.
Folder count: 15621
File count: 12 million files
Total number of modifications: 49745
|
File Scan Operation |
Full Backup (Time taken in minutes) |
Incremental backup (Time taken in minutes) |
|---|---|---|
|
File system scan using the Changelist feature for Dell EMC Isilon/PowerScale |
29:51 |
01:24 |
|
Regular file system scan |
14:34 |
19:53 |