9/22/2023 0 Comments Freefilesync slows downwhile listing each folder item, it is directly analyzed before continuing with the next). analysis of these items (file, folder, symlink) + update of the UI stats.Ī naive folder traversal automatically does some interleaving (e.g. This behavior isn't deliberate, but an artifact of the new FFS 10 multithreaded folder traversal which divides the work into multiple steps, simplified: 1. This then leads to a sudden "surge" of new items that are found, when in reality FFS is just analyzing the data it has "buffered". The corresponding "analysis steps" that update the stats as shown on the GUI are queued to the back of the workload. Hope this Your observation is correct! The apparent "hangs" are in fact situations where FFS is busy traversing lots of directories one after another. I had to stop using FFS then for the MAC and resorted to Synology's Drive,that works fine, but then the architecture is different - its a client -server rather a external HDD model. It would then continue for up 20 minutes or more. On using FFS 10.4, this slow down got worse, the scanning would simply stop, sometimes for several seconds at a time, and always at different files. 450Mbit/s, but scanning (not transfer) was still an issue. that restored file transfer speeds to being comparable to Windows speeds e.g. However All Mac versions of FFS I used showed an issue of scanning rapidly (with Windows like speed) up to circa 52k files, then it would dramatically slow down and continue, completing its cycle of circa 80k files in about 6 minutes. 330k files are scanned in circa 65 seconds. To be more specific, This is about FFS on a Mac and syncing with data on a Synology NAS. Transfer speed to the NAS from with both computers is always about 450 MBit/s.Īny idea what FreeFile Sync is doing on the Macbook that causes it to slow down so much ?Īny idea what I can do to change the settings either on the Macbook or NAS ? The NAS is setup for SMB, I heard that Apple deprecated AFP, so I turned it off in the NAS. But it works, the scanning is just incredibly slow. However after circa 52k files, the scanning ' pauses' sometimes for several seconds then runs in stages usually at about 30 or 30 files a second for several minutes. On the Apple Macbook everything starts and runs with a similar performance to the Windows machine. Transfer of files runs at about 450Mbit/s. Performance of FreeFileSync on Windows is perfect, circa 320k files are scanned on the NAS at several 1000 files per second. The system involves a Windows 10 PC, MacBook and a Synology NAS.
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