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#saltr
/2025/05/27
~dr|z3d
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uop23ip it does update i2psnark.config. Testing right now if it really has an effect. But i am on btrfs and no clue how it handles this.
dr|z3d shouldn't matter what the underlying filesystem is, if it's not preallocating files, they should start at 0 bytes and grow as they're downloaded.
uop23ip set i2psnark.preallocateFiles=false, insert magnet, checked files size, are fullsized but 0 on disk, downloaded some 10mb, filesize of the downloading file on disk jumps up to full size. set i2psnark.preallocateFiles=true to see if there is a diff. insert magnet..,... Same behaviour.
dr|z3d so the files are 0 bytes before they start downloading?
uop23ip i got size and size on disk here. size is full and size on disk is 0 before starting.
uop23ip files which have some downloaded data jump up to full size on disk, not growing
dr|z3d so it's not pre-allocating files until data is received right now, but on receipt of data, it's "ballooning" the file it looks like.
dr|z3d which isn't necessarily a bad thing.. if you skip files, they shouldn't be pre-allocated at all.
uop23ip if i just started the torrent, it automatically creates all files, not just the one it is downloading from with full size and 0 on disk. Isn't that preallocation here?
dr|z3d what size are the files on disk when they're created? 0?
dr|z3d then they're not being pre-allocated.
dr|z3d what appears to be happening is that when they start downloading, then the file is ballooned, i.e. it's being filled with empty data before being overwritten.
uop23ip shouldn't be in non-preallocation files size = filesize on disk? qcow image growing like
uop23ip filesize on disk -> file size
dr|z3d maybe
uop23ip played with truncate/fallocate to see how the file size/ondisk shows up. fallocate has full file size and full file size ondisk. Truncate however creates a file with full file size and 0 file size on disk. Like in i2psnark before downloading occurs.
dr|z3d that doesn't make any sense. I think you're trying to tell me that in the UI, the full size of the file is indicated, but on disk the file size is 0. which is correct.
uop23ip no i checked the filesize in file browser by properties. 2 parameters there : file size and file size on disk.
dr|z3d so if file size on disk is 0, then that's correct.
dr|z3d also, you're on windows?
uop23ip linux btrfs
dr|z3d ok, sorry, you said.
dr|z3d so the filesystem is probably compressing the empty file and de-duping all the repeated chunks. hence 0.
uop23ip there is no different behaviour when preall is set to true or false in my tests before.
dr|z3d ok, thanks. will investigate further.
uop23ip i tested the qemu qcow image creation to see how this growing file shows up in properties. this should create a 1gb file: qemu-img create -f qcow2 1gb.img 1G and it size is to size on disk with 200kb. Tested on ramdisk to avoid any btrfs intervention
dr|z3d so it's deduping repeating chunks it sounds like, because you're just creating an empty file.
cumlord weird issue been having I think has brought up before, logs showing lot of expired leasesets, maybe too many client tunnels
cumlord Know of any workarounds? The load on them seems normal otherwise
dr|z3d that's something I need to look at hard, again, cumlord
dr|z3d not entirely sure why it's happening, the expiry period is minimal, but annoying.
dr|z3d uop23ip: so setting priorities appears to work, it's just not correctly reflected in the UI. expect a fix shortly.
uop23ip thanks
dr|z3d thanks for the assistance. :)
cumlord fair enough ill spread things out more
dr|z3d it's pretty random when it occurs, not much you can do, it's on me.
dr|z3d ok, uop23ip, toggle all priorities on/off is now working. give me a few minutes to ensure the themes are up to scratch, then I'll build a new update.
dr|z3d also more work on pre-allocate, maybe it'll work as intended now.
dr|z3d building update, please stand by....
dr|z3d Blinded message
orignal wow I didn't disconnect for while night