On Sun, 7 Oct 2018 at 02:20, Eric Sandeen wrote: > > On 10/6/18 12:34 PM, Mikhail Gavrilov wrote: > > Which fragmentation factor is allowable for xfs (not impact on performance)? > > > > # xfs_db -c frag -r /dev/sda > > actual 4908781, ideal 2801391, fragmentation factor 42.93% > > Ignore the fragmentation factor, because: > > > Note, this number is largely meaningless. > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > http://xfs.org/index.php/XFS_FAQ#Q:_The_xfs_db_.22frag.22_command_says_I.27m_over_50.25._Is_that_bad.3F > > > Files on this filesystem average 1.75 extents per file > The majority of your files have only 1 extent. > > > # mount | grep sda > > /dev/sda on /home type xfs (rw,relatime,seclabel,attr2,inode64,noquota) > > > > # df -h | grep sda > > /dev/sda 11T 5.3T 5.7T 49% /home > > > > I think it too much for partition which are half free. > > Why do you think that? > > > It would also be interesting to see the fragmentation in the context > > of files, but I have not found anywhere how to look at it. > > xfs_bmap will show you extent layout for individual files. > > -Eric Thanks I wrote simple bash script for inspect my HDD for top 100 fragmented files. Here is my top 100: 20511 - /home/mikhail/.local/share/Steam/steamapps/common/Deus Ex Mankind Divided/share/data/runtime/game.layer.0.all.archive 18011 - /home/mikhail/.local/share/Steam/steamapps/common/TEKKEN 7/TekkenGame/Content/Paks/pakchunk0-WindowsNoEditor.pak 16649 - /home/mikhail/.local/share/Steam/steamapps/common/Wildlands/DataPC_GRN_WorldMap.forge 16120 - /home/mikhail/.local/share/Steam/steamapps/common/Hellblade Senua's Sacrifice - VR/HellbladeGame/Content/Paks/HellbladeGame-WindowsNoEditor.pak 14197 - /home/mikhail/.local/share/Steam/steamapps/common/TEKKEN 7/TekkenGame/Content/Paks/pakchunk1-WindowsNoEditor.pak 12141 - /home/mikhail/.local/share/Steam/steamapps/common/Wildlands/DataPC_GRN_WorldMap_patch_01.forge 9282 - /home/mikhail/.local/share/Steam/steamapps/common/Hitman™/share/data/runtime/dlc3.rpkg 8789 - /home/mikhail/.local/share/Steam/steamapps/common/BLUE REFLECTION/DATA/PACK00_03.PAK 8455 - /home/mikhail/.local/share/Steam/steamapps/common/TEKKEN 7/TekkenGame/Content/Paks/pakchunk1-WindowsNoEditor_P.pak 8394 - /home/mikhail/.local/share/Steam/steamapps/common/Dishonored 2 Demo/base/game2.resources 8234 - /home/mikhail/.local/share/Steam/steamapps/common/the witcher 2/CookedPC/pack0.dzip 7127 - /home/mikhail/.local/share/Steam/steamapps/common/Hitman™/share/data/runtime/dlc1.rpkg 6708 - /home/mikhail/.local/share/Steam/steamapps/common/Observer/TheObserver/Content/Paks/TheObserver-LinuxNoEditor.pak 6698 - /home/mikhail/.local/share/Steam/steamapps/common/Wolfenstein.II.The.New.Colossus/base/gameresources.texdb 6691 - /home/mikhail/.local/share/Steam/steamapps/common/NieRAutomata/data/data014.cpk 6610 - /home/mikhail/.local/share/Steam/steamapps/common/Deus Ex Mankind Divided/share/data/dlc/runtime/dlc01.layer.0.all.archive 6560 - /home/mikhail/.local/share/Steam/steamapps/common/Dishonored 2 Demo/base/game1.resources 6232 - /home/mikhail/.local/share/Steam/steamapps/common/Hitman™/share/data/runtime/chunk0.rpkg 6106 - /home/mikhail/.local/share/Steam/steamapps/common/Hitman™/share/data/runtime/dlc5.rpkg 5989 - /home/mikhail/.local/share/Steam/steamapps/common/Wildlands/DataPC.forge 5716 - /home/mikhail/.local/share/Steam/steamapps/common/Hitman™/share/data/runtime/dlc2.rpkg 5638 - /home/mikhail/.local/share/Steam/steamapps/common/Deus Ex Mankind Divided/share/data/dlc/runtime/dlc02.layer.0.all.archive 5411 - /home/mikhail/.local/share/Steam/steamapps/common/TheEvilWithin2/virtualtextures/st02_main.pages 5285 - /home/mikhail/.local/share/Steam/steamapps/common/TheEvilWithin2/virtualtextures/st01_main.pages 5009 - /home/mikhail/.local/share/Steam/steamapps/common/Hitman™/share/data/runtime/dlc4.rpkg 4966 - /home/mikhail/.local/share/Steam/steamapps/common/BLUE REFLECTION/DATA/PACK00_02.PAK 4813 - /home/mikhail/.local/share/Steam/steamapps/common/Cyberdimension Neptunia 4 Goddesses Online/CyberdimensionNeptunia4GoddessesOnline/Content/Paks/CyberdimensionNeptunia4GoddessesOnline-WindowsNoEditor.pak 4483 - /home/mikhail/.local/share/Steam/steamapps/common/ShadowOfMordor/share/data/udun.arch05 4462 - /home/mikhail/.local/share/Steam/steamapps/common/Hitman™/share/data/runtime/dlc6.rpkg 4457 - /home/mikhail/.local/share/Steam/steamapps/common/Call of Duty WWII/imagefile67.pak 4409 - /home/mikhail/.local/share/Steam/steamapps/common/Wildlands/PCgr_terrainlin1.tbf 4163 - /home/mikhail/.local/share/Steam/steamapps/common/The Culling Test/Victory/Content/Paks/Victory-LinuxClient.pak 4091 - /home/mikhail/.local/share/Steam/steamapps/common/CAT Interstellar/CATInterstellar/Content/Paks/CATInterstellar-LinuxNoEditor.pak 4035 - /home/mikhail/.local/share/Steam/steamapps/common/ShadowOfMordor/share/data/dlc2.arch05 4030 - /home/mikhail/.local/share/Steam/steamapps/common/Call of Duty WWII/imagefile123.pak 4020 - /home/mikhail/.local/share/Steam/steamapps/common/Empire Total War/data/models.pack 3694 - /home/mikhail/.local/share/Steam/steamapps/common/Call of Duty WWII/imagefile73.pak 3607 - /home/mikhail/.local/share/Steam/steamapps/common/Motorcycle, tricycle, ATV hill racing/mg_linux_Data/resources.assets.resS 3519 - /home/mikhail/.local/share/Steam/steamapps/common/TheEvilWithin2/virtualtextures/st03_main.pages 3483 - /home/mikhail/.local/share/Steam/steamapps/common/NieRAutomata/data/data015.cpk 3470 - /home/mikhail/.local/share/Steam/steamapps/common/Company of Heroes 2/share/data/coh2/archives/artaefskins.sga 3416 - /home/mikhail/.local/share/Steam/steamapps/common/ShadowOfMordor/share/data/son.arch05 3403 - /home/mikhail/.local/share/Steam/steamapps/common/Hitman™/share/data/runtime/dlc0.rpkg 3351 - /home/mikhail/.local/share/Steam/steamapps/common/Deus Ex Mankind Divided/share/data/dlc/runtime/dlcpreorder.layer.0.all.archive 3257 - /home/mikhail/.local/share/Steam/steamapps/common/Company of Heroes 2/share/data/coh2/archives/artsovietef.sga 3115 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/update/x64/dlcpacks/mpbattle/dlc.rpf 3019 - /home/mikhail/.local/share/Steam/steamapps/common/Company of Heroes 2/share/data/coh2/archives/artwestgerman.sga 3000 - /home/mikhail/.local/share/Steam/steamapps/common/Dying Light/DW/Data/common_textures_0_linux.rpack 2854 - /home/mikhail/.local/share/Steam/steamapps/common/Call of Duty WWII/imagefile169.pak 2759 - /home/mikhail/.local/share/Steam/steamapps/common/The Evil Within Demo/virtualtextures/common_vmtr.pages 2735 - /home/mikhail/.local/share/Steam/steamapps/common/Broken Sword 5/graphics_1080.vt7a 2676 - /home/mikhail/.local/share/Steam/steamapps/common/NieRAutomata/data/data016.cpk 2590 - /home/mikhail/.local/share/Steam/steamapps/common/Wildlands/DataPC_patch_01.forge 2588 - /home/mikhail/.local/share/Steam/steamapps/common/AtomUniverse/AtomUniverse/Content/Paks/AtomUniverse-WindowsNoEditor.pak 2548 - /home/mikhail/.local/share/Steam/steamapps/common/Company of Heroes 2/share/data/coh2/archives/artgermanef.sga 2516 - /home/mikhail/.local/share/Steam/steamapps/common/Dying Light/DW/Data/common_textures_1_linux.rpack 2488 - /home/mikhail/.local/share/Steam/steamapps/common/Dying Light/DW/Data/common_textures_2_linux.rpack 2439 - /home/mikhail/.local/share/Steam/steamapps/common/Emily Wants to Play Too/EWTP_Too/Content/Paks/EWTP_Too-LinuxNoEditor.pak 2409 - /home/mikhail/.local/share/Steam/steamapps/common/ShadowOfMordor/share/data/udun_weather.arch05 2400 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/x64q.rpf 2398 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/x64/audio/sfx/INTERACTIVE_MUSIC.rpf 2396 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/update/x64/dlcpacks/mpheist/dlc.rpf 2295 - /home/mikhail/.local/share/Steam/steamapps/common/RESIDENT EVIL 7 biohazard Demo/re_chunk_000.pak 2239 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/x64l.rpf 2196 - /home/mikhail/.local/share/Steam/steamapps/common/Saints Row 2/music4.vpp_pc 2178 - /home/mikhail/.local/share/Steam/steamapps/common/Call of Duty WWII/imagefile1.pak 2162 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/x64g.rpf 2145 - /home/mikhail/.local/share/Steam/steamapps/common/Saints Row the Third/packfiles/pc/cache/sr3_city_1.vpp_pc 2075 - /home/mikhail/.local/share/Steam/steamapps/common/Motorcycle, tricycle, ATV hill racing/mg_linux_Data/sharedassets3.assets 2052 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/x64k.rpf 2052 - /home/mikhail/.cache/tracker/meta.db 2038 - /home/mikhail/.local/share/Steam/steamapps/common/Mother Russia Bleeds/Documentary Le Cartel 1080p.mp4 1931 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/update/x64/dlcpacks/patchday3ng/dlc.rpf 1924 - /home/mikhail/.local/share/Steam/steamapps/common/ShadowOfMordor/share/data/son_weather.arch05 1895 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/update/x64/dlcpacks/mpchristmas2017/dlc.rpf 1893 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.009.tiger 1891 - /home/mikhail/.local/share/Steam/steamapps/common/TEKKEN 7/TekkenGame/Content/Paks/pakchunk0-WindowsNoEditor_P.pak 1870 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.007.tiger 1867 - /home/mikhail/.local/share/Steam/steamapps/common/Dead or Alive 5 Last Round/chara_common.lnk 1836 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.update1.002.000.tiger 1827 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.008.tiger 1824 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.010.tiger 1823 - /home/mikhail/Downloads/Silicon.Valley.S02.1080p.BluRay.x264/Silicon.Valley.S02E06.1080p.BluRay.x264.mkv 1817 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.006.tiger 1811 - /home/mikhail/.local/share/Steam/steamapps/common/Rise of the Tomb Raider/share/data/bigfile.005.tiger 1803 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/x64e.rpf 1785 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.004.tiger 1785 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/x64j.rpf 1766 - /home/mikhail/.local/share/Steam/steamapps/common/Wildlands/DataPC_extra.forge 1762 - /home/mikhail/.local/share/Steam/steamapps/common/Rise of the Tomb Raider/share/data/bigfile.004.tiger 1753 - /home/mikhail/.local/share/Steam/steamapps/common/Tomb Raider/share/data/bigfile.002.tiger 1751 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.003.tiger 1751 - /home/mikhail/.local/share/Steam/steamapps/common/Rise of the Tomb Raider/share/data/bigfile.006.tiger 1750 - /home/mikhail/.local/share/Steam/steamapps/common/Saints Row IV/packfiles/pc/cache/sr3_city_0.vpp_pc 1746 - /home/mikhail/.local/share/Steam/steamapps/common/Rise of the Tomb Raider/share/data/bigfile.003.tiger 1742 - /home/mikhail/.local/share/Steam/steamapps/common/Grand Theft Auto V/x64c.rpf 1739 - /home/mikhail/.local/share/Steam/steamapps/common/The Evil Within Demo/virtualtextures/Remnants_vmtr.pages 1736 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.005.tiger 1721 - /home/mikhail/.local/share/Steam/steamapps/common/Shadow of the Tomb Raider/bigfile.002.tiger 1721 - /home/mikhail/.local/share/Steam/steamapps/common/Atelier Sophie The Alchemist of the Mysterious Book/PACK00.pak The biggest concern is the presence file "/home/mikhail/.cache/tracker/meta.db" in this list. Because this is a base of indexed files in GNOME. Also surprised that file "/home/mikhail/.local/share/Steam/steamapps/common/Deus Ex Mankind Divided/share/data/runtime/game.layer.0.all.archive" are divided on 20511 parts, although on the partition is enough free continuous space for store this file as one indivisible part. The purpose of my research was to show that despite the fact that with average 1.75 extents per file, is possible find files on the disk that, for some unknown reason, are divided on 20K parts. -- Best Regards, Mike Gavrilov.