Ubuntu 16.04 LTS 将支持 ZFS：但仅完成 90% 准备工作
常见文件系统: EXT4(Linux)/XFS(SGI)/JFS(IBM)/Btrfs(Oracle)/ZFS(SUN)/ReiserFS/HFS+(Apple)/NTFS(MS)/FAT32(MS)/exFAT(MS)苹果没有采用ZFS的原因分析:
ZFS需要占用大量的内存来实现文件系统操作,目标用户是大企业的工作站和服务器,不适用iOS设备.另外SUN被Oracle收购,Oracle又长期投资ZFS的竞争产品Btrfs,所以苹果可能觉得ZFS的前途不明朗.
http://www.ilsistemista.net/index.php/linux-a-unix/40-ext3-vs-ext4-vs-xfs-vs-btrfs-filesystem-comparison-on-fedora-18.html
ilsistemista的测试得出的结论还是很客观的:
However, some obvious recommendations emerge from the observed patters:
1、If you plan to use MySQL or PostgreSQL, use EXT4 as you can not go wrong with it. However, stay away from BTRFS;
2、For large file installation (as VM hosting system) or direct I/O, go with XFS.
BTRFS shows some big improvement that are remarkable.
However, I will not use it for critical data as it and its fsck are> 简单说,就是数据库应用建议使用EXT4,大文件应用(虚拟化)建议使用XFS(从RHEL7默认文件系统为XFS可侧面验证其正确性),而BTRFS的确有了很大的提升,但不建议应用在关键数据上.
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