Uroš Popović popisuje, jak si nastavit Linux na desce jako Raspberry Pi Zero, aby je šlo používat jako USB „flešku“.
Andreas Kling oznámil, že jelikož už se nevěnuje nezávislému operačnímu systému SerenityOS, ale výhradně jeho webovému prohlížeči Ladybird, přičemž vyvíjí primárně na Linuxu, SerenityOS opustí a Ladybird bude nově samostatný projekt (nový web, repozitář na GitHubu).
Po dvou měsících vývoje byla vydána nová verze 0.13.0 programovacího jazyka Zig (GitHub, Wikipedie). Přispělo 73 vývojářů. Přehled novinek v poznámkách k vydání.
Na čem aktuálně pracují vývojáři GNOME a KDE? Pravidelný přehled novinek v Týden v GNOME a Týden v KDE.
Před 70 lety, 7. června 1954, ve věku 41 let, zemřel Alan Turing, britský matematik, logik, kryptoanalytik a zakladatel moderní informatiky.
NiceGUI umožňuje používat webový prohlížeč jako frontend pro kód v Pythonu. Zdrojové kódy jsou k dispozici na GitHubu pod licencí MIT.
Open source platforma Home Assistant (Demo, GitHub, Wikipedie) pro monitorování a řízení inteligentní domácnosti byla vydána ve verzi 2024.6. Z novinek lze vypíchnout lepší integraci LLM (OpenAI, Google AI, Ollama) nebo podporu Matter 1.3.
IKEA ve Spojeném království hledá zaměstnance do své nové pobočky. Do pobočky v počítačové hře Roblox. Nástupní mzda je 13,15 liber na hodinu.
Alyssa Rosenzweig se v příspěvku na svém blogu Vulkan 1.3 na M1 za 1 měsíc rozepsala o novém Vulkan 1.3 ovladači Honeykrisp pro Apple M1 splňujícím specifikaci Khronosu. Vychází z ovladače NVK pro GPU od Nvidie. V plánu je dále rozchodit DXVK a vkd3d-proton a tím pádem Direct3D, aby na Apple M1 s Asahi Linuxem běžely hry pro Microsoft Windows.
Byla vydána (𝕏) květnová aktualizace aneb nová verze 1.90 editoru zdrojových kódů Visual Studio Code (Wikipedie). Přehled novinek i s náhledy a animovanými gify v poznámkách k vydání. Ve verzi 1.90 vyjde také VSCodium, tj. komunitní sestavení Visual Studia Code bez telemetrie a licenčních podmínek Microsoftu.
Mam
HPE ProLiant MicroServer Gen8 12GB RAM (SSD na system a plotnove disky do RAIDu) + Openmediavault + ZFS
a velka spokojenost.
V dnesni dobe bych asi zkusil FreeNAS misto Openmediavault.
D.
# fio --name=seqwrite --rw=write --direct=1 --ioengine=libaio --bs=10M --numjobs=4 --size=3G --runtime=30 --group_reporting seqwrite: (g=0): rw=write, bs=(R) 10.0MiB-10.0MiB, (W) 10.0MiB-10.0MiB, (T) 10.0MiB-10.0MiB, ioengine=libaio, iodepth=1 ... fio-3.12 Starting 4 processes seqwrite: Laying out IO file (1 file / 3072MiB) seqwrite: Laying out IO file (1 file / 3072MiB) seqwrite: Laying out IO file (1 file / 3072MiB) seqwrite: Laying out IO file (1 file / 3072MiB) Jobs: 4 (f=4): [W(4)][100.0%][w=340MiB/s][w=34 IOPS][eta 00m:00s] seqwrite: (groupid=0, jobs=4): err= 0: pid=2827: Fri Jul 2 09:20:12 2021 write: IOPS=35, BW=351MiB/s (368MB/s)(10.3GiB/30062msec); 0 zone resets slat (usec): min=1301, max=284189, avg=5095.55, stdev=9403.91 clat (msec): min=10, max=916, avg=108.87, stdev=95.46 lat (msec): min=13, max=1084, avg=113.97, stdev=97.74 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 25], 10.00th=[ 30], 20.00th=[ 37], | 30.00th=[ 47], 40.00th=[ 58], 50.00th=[ 75], 60.00th=[ 103], | 70.00th=[ 136], 80.00th=[ 171], 90.00th=[ 230], 95.00th=[ 292], | 99.00th=[ 376], 99.50th=[ 447], 99.90th=[ 885], 99.95th=[ 919], | 99.99th=[ 919] bw ( KiB/s): min=20439, max=204800, per=25.37%, avg=91068.26, stdev=31490.80, samples=236 iops : min= 1, max= 20, avg= 8.75, stdev= 3.11, samples=236 lat (msec) : 20=2.37%, 50=30.74%, 100=26.38%, 250=32.16%, 500=7.97% lat (msec) : 1000=0.38% cpu : usr=1.66%, sys=1.05%, ctx=6872, majf=0, minf=52 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,1054,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs): WRITE: bw=351MiB/s (368MB/s), 351MiB/s-351MiB/s (368MB/s-368MB/s), io=10.3GiB (11.1GB), run=30062-30062msec Disk stats (read/write): drbd0: ios=1/23989, merge=0/0, ticks=76/2306840, in_queue=2312500, util=99.49%, aggrios=1/23991, aggrmerge=0/0, aggrticks=4/859528, aggrin_queue=860172, aggrutil=96.89% zd0: ios=1/23991, merge=0/0, ticks=4/859528, in_queue=860172, util=96.89%bs=64k
# fio --name=seqwrite --rw=write --direct=1 --ioengine=libaio --bs=64k --numjobs=4 --size=3G --runtime=30 --group_reporting seqwrite: (g=0): rw=write, bs=(R) 64.0KiB-64.0KiB, (W) 64.0KiB-64.0KiB, (T) 64.0KiB-64.0KiB, ioengine=libaio, iodepth=1 ... fio-3.12 Starting 4 processes seqwrite: Laying out IO file (1 file / 3072MiB) seqwrite: Laying out IO file (1 file / 3072MiB) seqwrite: Laying out IO file (1 file / 3072MiB) seqwrite: Laying out IO file (1 file / 3072MiB) Jobs: 4 (f=4): [W(4)][100.0%][w=139MiB/s][w=2229 IOPS][eta 00m:00s] seqwrite: (groupid=0, jobs=4): err= 0: pid=20925: Fri Jul 2 09:24:44 2021 write: IOPS=2138, BW=134MiB/s (140MB/s)(4011MiB/30002msec); 0 zone resets slat (usec): min=28, max=186285, avg=66.17, stdev=983.59 clat (usec): min=5, max=847636, avg=1799.67, stdev=8268.41 lat (usec): min=356, max=871106, avg=1866.48, stdev=8731.90 clat percentiles (usec): | 1.00th=[ 371], 5.00th=[ 424], 10.00th=[ 469], 20.00th=[ 529], | 30.00th=[ 603], 40.00th=[ 783], 50.00th=[ 1582], 60.00th=[ 1876], | 70.00th=[ 2147], 80.00th=[ 2442], 90.00th=[ 3752], 95.00th=[ 4146], | 99.00th=[ 5800], 99.50th=[ 10814], 99.90th=[ 18220], 99.95th=[ 19530], | 99.99th=[633340] bw ( KiB/s): min= 3968, max=41728, per=25.41%, avg=34780.64, stdev=6360.12, samples=235 iops : min= 62, max= 652, avg=543.37, stdev=99.36, samples=235 lat (usec) : 10=0.01%, 20=0.01%, 50=0.01%, 100=0.01%, 250=0.03% lat (usec) : 500=14.79%, 750=24.03%, 1000=5.51% lat (msec) : 2=21.33%, 4=27.47%, 10=6.26%, 20=0.53%, 50=0.02% lat (msec) : 100=0.01%, 250=0.01%, 750=0.01%, 1000=0.01% cpu : usr=1.01%, sys=4.35%, ctx=65714, majf=0, minf=55 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,64173,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs): WRITE: bw=134MiB/s (140MB/s), 134MiB/s-134MiB/s (140MB/s-140MB/s), io=4011MiB (4206MB), run=30002-30002msec Disk stats (read/write): drbd0: ios=1/69350, merge=0/0, ticks=0/1137592, in_queue=1137612, util=99.29%, aggrios=1/69393, aggrmerge=0/0, aggrticks=0/103032, aggrin_queue=103052, aggrutil=81.78% zd0: ios=1/69393, merge=0/0, ticks=0/103032, in_queue=103052, util=81.78%
volblocksize
) som musel nastavit na 128k, inac to bolo velmi pomale. Kompresiu mam vypnutu, primarycache=metadata
a secondarycache=metadata
- toto mi myslim tiez pomohlo.
Zapnuta kompresia (lz4
):
# fio --name=seqwrite --rw=write --direct=1 --ioengine=libaio --bs=10M --numjobs=4 --size=3G --runtime=30 --group_reporting seqwrite: (g=0): rw=write, bs=(R) 10.0MiB-10.0MiB, (W) 10.0MiB-10.0MiB, (T) 10.0MiB-10.0MiB, ioengine=libaio, iodepth=1 ... fio-3.12 Starting 4 processes seqwrite: Laying out IO file (1 file / 3072MiB) seqwrite: Laying out IO file (1 file / 3072MiB) seqwrite: Laying out IO file (1 file / 3072MiB) seqwrite: Laying out IO file (1 file / 3072MiB) Jobs: 3 (f=3): [W(3),_(1)][90.3%][w=380MiB/s][w=38 IOPS][eta 00m:03s] seqwrite: (groupid=0, jobs=4): err= 0: pid=5138: Fri Jul 2 09:30:52 2021 write: IOPS=42, BW=428MiB/s (449MB/s)(11.0GiB/28701msec); 0 zone resets slat (usec): min=982, max=63277, avg=4766.85, stdev=3506.68 clat (msec): min=8, max=646, avg=85.36, stdev=87.74 lat (msec): min=12, max=648, avg=90.14, stdev=87.62 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 14], 10.00th=[ 17], 20.00th=[ 33], | 30.00th=[ 42], 40.00th=[ 48], 50.00th=[ 55], 60.00th=[ 64], | 70.00th=[ 77], 80.00th=[ 106], 90.00th=[ 243], 95.00th=[ 305], | 99.00th=[ 359], 99.50th=[ 380], 99.90th=[ 634], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min=20398, max=397319, per=25.48%, avg=111653.06, stdev=52861.71, samples=219 iops : min= 1, max= 38, avg=10.61, stdev= 5.12, samples=219 lat (msec) : 10=0.41%, 20=12.13%, 50=30.86%, 100=35.83%, 250=11.24% lat (msec) : 500=9.36%, 750=0.16% cpu : usr=1.56%, sys=1.12%, ctx=13276, majf=0, minf=47 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,1228,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs): WRITE: bw=428MiB/s (449MB/s), 428MiB/s-428MiB/s (449MB/s-449MB/s), io=11.0GiB (12.9GB), run=28701-28701msec Disk stats (read/write): drbd0: ios=1/26500, merge=0/0, ticks=0/1655876, in_queue=1655352, util=99.55%, aggrios=1/26609, aggrmerge=0/0, aggrticks=0/555608, aggrin_queue=567840, aggrutil=81.35% zd0: ios=1/26609, merge=0/0, ticks=0/555608, in_queue=567840, util=81.35%Ale to sa mi nezda. fio generuje prazdne bloky?
Já jsem OMV zkoušel před cca třemi lety, ale bylo to tako porůznu rozbité (padající a selhávající GUI).
Tiskni Sdílej: