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rychlost
Od: OriginalnyKoumak
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Pridané:
25.8.2020 17:46
Uvidime, ako sa im casom overi stabilita vs rychlost, pri tych vsakovakych fjucurach pozapinanych. Ono na papieri vyzera kadeco pekne, ale v realnej prevadzke to niekedy dokaze byt znazne odlisne. Ktovie teda ci pri napr. 100 tisic suboroch a dennom snapshotovani to pojde aj po mesiaci este akceptovatelnou rychlostou...
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Re: rychlost
Od: [Jooky]
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Pridané:
25.8.2020 18:17
Na mojom primarnom laptope pouzivam btrfs uz 5 rokov. Programujem a udrzujem rozny software, takze mam vcelku statocne mnozstvo suborov po disku. Aktualne je to necelych 2 milionov suborov (1982344). Projekty si snapshotujem zvlast, takze aj vdaka tomu mam aktualne 426 snapshotov :-) Samotne btrfs mam na 1.80TiB particii a aktualne zaplnene 1.24TiB. Bezi mi z toho samotny OS, vsetky potrebne virtualky a rozne pracovne veci + moje, co denne pozivam ... Vsetko ide bez jedineho problemu a zavahania. Jedina moja starostlivost je, ze z casu na cas pustim balance na grupy, ktore obsahuju menej ako 20% dat ... popripade ak sa mi podari crashnut laptop, tak "pre istotu" scrub (za tu dobu sa mi este nepodarilo rozhodit ten fs a to tu s laptopom obcas dost cvicim) ...
... nechapem preco sa ludia na btrfs pozeraju ako na nieco nove. Ide o zabehnuty a stabilny FS.
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Re: rychlost
Od: OriginalnyKoumak
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Pridané:
25.8.2020 18:48
Ok, vdaka za slusne vycerpavajucu odpoved, ako opisujes tie realne parametre, nevyzera to teda veru zle.
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ultraradikalny ohladuplnizmus
Od: syntaxterrorXXX,. X
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Pridané:
25.8.2020 19:19
Vydávať štatistiky jednoužívateľského osobného laptopu za niečo, čo len čiastočne súvisiace s hodnotením funkcie linuxového ekosystému je priekazne na úrovni vyjadrovania obdivnej akceptácie ich relevantnosti ako k faktickej skutočnosti. Ako keď si psíčkar odborne zrecenzuje vlastnú štúdiu o chove včiel. Jeden by sa zgrcal.
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Re: ultraradikalny ohladuplnizmus
Od: OriginalnyKoumak
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Pridané:
25.8.2020 19:59
veru veru, dal som podakovanie za jeho zhodnotenie, ktore bolo tak presne ako vstupne udaje k nebezpecnosti corona virusu a si zatial jediny, komu to aj doklaplo :) gratulujem ;)
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Re: ultraradikalny ohladuplnizmus
Od: Btrfs
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Pridané:
25.8.2020 20:26
Neprehadzuj vyhybku. Najprv si sa slusne podakoval a potom si sa zahral na rafinovaneho chytraka s bocnym umyslom. Prvy prispevok bol uprimny a potom ti zadzubalo.
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Re: ultraradikalny ohladuplnizmus
Od: OriginalnyKoumak
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Pridané:
26.8.2020 9:44
ale ved ucim sa od najlepsich = Matovica ;)
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Re: ultraradikalny ohladuplnizmus
Od: [Jooky]
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Pridané:
25.8.2020 23:29
:))) tak doplnim, ze poslednych 6 rokov kazdy server instalujem s btrfs ... ale pocty suborov / servrov a dalsie info sa mi o tejto hodine nechce hladat
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Re: ultraradikalny ohladuplnizmus
Od: syntaxterrorXXX,. X
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Pridané:
26.8.2020 6:28
Ešte treba doplniť, že drvivú väčšinu z toho tvoria core systémy konzervatívnych bankových domov, ktoré vďaka využívaniu gra nových funkcií copy-on-write pristúpili k radikálnym zmenám zálohovacej politiky a úpravám na heavy load optimalizovaných medzibankových transakčných systémov a nie kdejaké inštalácie, kde to ani nedáva zmysel, a z toľkých trendy doplnkov padne na zadok priekazne i Versace.
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Re: rychlost
Od reg.: Richard F.
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Pridané:
26.8.2020 8:03
"Aktualne je to necelych 2 milionov suborov"
To je ako vyjadrenie IT odborníka Andreja (fajnšmekri istotne poznajú alebo nájdu na YT).
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Re: rychlost
Od reg.: M.Miiicho
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Pridané:
26.8.2020 10:37
Ale prd, Macko nema o btrfs ani sajnu, on teraz fici na holiacich strojcekoch.
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Re: rychlost
Od reg.: Macko Pu
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Pridané:
26.8.2020 15:15
Co o mne viees?
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Re: rychlost
Od: nou
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Pridané:
26.8.2020 10:06
Na jednom mailing liste som nasiel vyjadrenie ze pocet snapshotov z jedneho volume by nemal byt prilis velky pretoze urcite operacie su tam implementovane ako N^2 takze pri vacsom poctesnapshotov sa moze napriklad balance alebo aj zmazanie snapshotu neumerne predlzit.
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Re: rychlost
Od: spyje
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Pridané:
26.8.2020 22:17
Preco ten laptop vobec crashuje? Ja som nemal ziadny crash na mojich masinach uz 10 rokov a na vselijakych serveroch v DC ked crash nastane, tak vymenime docasne za druhy kym sa to diagnostikuje. Ale preco by mal crashovat nejaky laptop?
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Btrfs
Od: zaba na prameni
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Pridané:
25.8.2020 19:54
To je ten filé system od vraha?
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Re: Btrfs
Od: OriginalnyKoumak
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Pridané:
25.8.2020 20:01
ma zasadnu suvislost sukromie nejakeho cloveka s odbornostou, alebo kvalitou vystupu?
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ultraradikalny objasňovačizmus
Od: syntaxterrorXXX,. X
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Pridané:
25.8.2020 20:41
Akože či M-teória môže platiť priekazne len ob strunu?
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Re: Btrfs
Od: aasami
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Pridané:
26.8.2020 8:36
Strom poznas po ovoci...
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Re: Btrfs
Od: sensei-san
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Pridané:
25.8.2020 20:32
Nie. To bolo ReiserFS,
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Re: Btrfs
Od: zaba na prameni
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Pridané:
25.8.2020 22:16
Oh máš pravdu, pomýlil som si ich.
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Polorozpadnuta hrobka
Od reg.: Pjetro de | Admin
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Pridané:
26.8.2020 4:32
Veruze aj ja prechadzam a nikam neodchadzam!
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BTRFS
Od: SynoForum.com
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Pridané:
26.8.2020 14:05
musim potvrdit Jokyho pozitivnu referenciu
BTRFS bezim na vsetkych NASoch a za tie roky som nenasiel jediny dovod skocit z okna. Snapshot/Replica bezi uplne spolahlivo a Data Scrubbing je skor nutnostou.
Myslim, ze kazdy kto skusil tieto vyhody uz pri nich zostane.
Dalej tu nehovorim za seba ale za vcelku slusnu skupinu ludi z nasho fora, ktori tento FS pouzivaju nie len v SME segmente, ale uz aj doma.
BTRFS do produkcnych systemov uplne v pohode.
Kdesi som cital, ze BTRFS ma write hole problem. Samotny writehole je ovela vacsi problem na strane HW (disky a ich chache, dostatocne nadimenzovana zaloha zdroja), ako samotneho FS.
K ostatnym minacom casu a tomto fore sa netreba vyjadrovat
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Od: lebron james shoes
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Pridané:
6.9.2020 21:50
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