ZFS arc yog dab tsi?
ZFS arc yog dab tsi?

Video: ZFS arc yog dab tsi?

Video: ZFS arc yog dab tsi?
Video: Explaining ZFS LOG and L2ARC Cache: Do You Need One and How Do They Work? 2024, Kaum ib hlis
Anonim

ZFS suav nrog ob yam zoo siab uas ua rau kev ua tau zoo ntawm kev nyeem ntawv ua haujlwm. Kuv hais txog ARC thiab L2 ARC . ARC stands rau adaptive hloov cache. ARC yog qhov ceev heev cache nyob rau hauv lub server lub cim xeeb (RAM). Tus nqi ntawm ARC muaj nyob rau hauv ib tug neeg rau zaub mov feem ntau yog tag nrho cov cim xeeb tsuas yog rau 1GB.

Ib yam li ntawd, ZFS sawv rau dab tsi?

Zettabyte File System

Tom qab ntawd, lo lus nug yog, ZFS puas nrawm? Configured kom raug, ZFS tuaj yeem ua tau zoo nkauj ceev . Tau kawg, kuv tuaj yeem siv flashcache lossis bcache nrog XFS thiab txhim kho XFS cov txiaj ntsig tab sis cov thev naus laus zis no txawv txawv dua li cov ZFS L2 ARC. ZFS Nws yog qhov nyuaj ntau dua li XFS thiab EXT4 tab sis, qhov ntawd kuj txhais tau tias nws muaj ntau qhov tunables / kev xaiv.

Tom qab ntawd, ZFS puas yog kev tua?

ZFS muaj peev xwm tuav tau RAID tsis tas yuav muaj software ntxiv lossis kho vajtse. Siv cov theem pib ntawm RAID -Z ( RAID -Z1) koj xav tau yam tsawg kawg yog ob lub disks rau kev cia thiab ib qho rau kev sib luag. RAID -Z2 yuav tsum muaj tsawg kawg yog ob lub chaw khaws cia thiab ob lub tsav rau kev sib luag. RAID -Z3 yuav tsum muaj tsawg kawg yog ob lub chaw khaws cia thiab peb tsav rau parity.

Lub pas dej ZFS yog dab tsi?

Cov ntaub ntawv qauv: Pas dej , datasets thiab ntim Cov theem sab saum toj ntawm kev tswj cov ntaub ntawv yog a ZFS pool (los yog zpool ). A ZFS system tuaj yeem muaj ntau yam pas dej ua ke txhais.

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