what is and why is it so big?

Discussion in 'macOS' started by sk3pt1c, Mar 4, 2006.

  1. sk3pt1c macrumors 6502a


    Nov 29, 2005
    a simulacrum
    ok,i've recently done some video editing and i'm not sure all the videos have been deleted after i outputted to dvd
    i was looking through the directories on the terminal and i came across three very large files i know nothing about

    Desktop DB
    Desktop DF

    can someone tell me what these are and what they do?
    i can tell it's probably not what i'm looking for but still i'd like to know what they do
  2. robbieduncan Moderator emeritus


    Jul 24, 2002
    I think that the hotfiles.btree is to do with the on-the-fly disk defragmenting. Basically it does not bother defragmenting a currently hotfile (say a video file you are currently capturing) as it's size is constantly changing so defragmenting is pointless until it is done. If you are doing something like video editing and you end up with a load of very active files I suppose this file could get pretty large.
  3. sk3pt1c thread starter macrumors 6502a


    Nov 29, 2005
    a simulacrum
  4. danigee macrumors newbie

    May 4, 2011
    .hotfiles.btree constantly huge file (917.5 kb)

    I am running a i7 2.7GHz, 2011 model Macbook Pro.

    This year it has become very slow opening applications, programs. Switching between programs is also considerably slower.

    I ran OmniSweeper and .hotfiles.btree is always a huge file.

    How can I resolve this problem if I can't do anything about hotfilesbtree itself. I have 197 GB available 281 GB used.
  5. Mr. Retrofire macrumors 601

    Mr. Retrofire

    Mar 2, 2010
    This is a small HFS+ metadata file. Do not remove this file!

    HFS+ metadata is certainly not your problem. Make sure your Mac has enough RAM, has no unnecessary software (anti-virus/security software) or older software, which is no longer necessary.

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