Sandman192 Posted September 4, 2018 Share Posted September 4, 2018 Defraggler program is very slow when it comes to large files. Still seems randomly slow to over 100 MB/s on small files. I've seen Windows Defrag use nearly 100% of HDD from time to time of "Active time" according to (Task Manager) even for very large files. Defraggler is at 50% of large, very large video files of an average of 100 KB/s read and 300 KB/s write speed. Drives are in RAID 0 and 128 KB Data stripe size and at SATA 3 at 600 MB/s of 2 TB. Who knows it could be the latest Windows 10 updates. Windows 10 Pro v1803, Defraggler v2.22.995 (64-bit), Intel RAID. Link to comment Share on other sites More sharing options...
Moderators mta Posted September 4, 2018 Moderators Share Posted September 4, 2018 DF has never the the fastest of it's breed. it's why I never use it to defrag a drive, I just Analyse, sort the Fragments column in Descending order, select the top offenders and just defrag those. then I repeat for the Size column. and by top offenders I mean, those with > 20 frags or those > 20MBs (or whatever rocks your boat) Backup now & backup often.It's your digital life - protect it with a backup.Three things are certain; Birth, Death and loss of data. You control the last. Link to comment Share on other sites More sharing options...
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