Hi all, > Am 04.04.2018 um 09:21 schrieb Eugene M. Zheganin <eug...@zhegan.in>: > I'm just trying to understand these numbers: > > file size is 232G, it's actual size on the lz4-compressed dataset is 18G, so > then why is the compressratio only 1.86x ? And why logicalused is 34.2G ? On > one hand, 34.2G exactlyfits to the 1.86x compresstaio, but still I don't get > it. dataset is on raidz, 3 spans across 5 disk vdevs, with total of 15 disks > if it matters:
A sparse file, possibly? The ZFS numbers refer to blocks. "Skipping" zeroes at the VFS layer is not taken into account as fas as I know. Seriously, how should it? If I'm not mistaken, ZFS will never get to see these empty blocks. Patrick -- punkt.de GmbH Internet - Dienstleistungen - Beratung Kaiserallee 13a Tel.: 0721 9109-0 Fax: -100 76133 Karlsruhe i...@punkt.de http://punkt.de AG Mannheim 108285 Gf: Juergen Egeling _______________________________________________ freebsd-stable@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
