https://en.wikipedia.org/wiki/Category:Compression_file_systems From Wikipedia, the free encyclopedia Jump to: navigation, search These are filesystems that support compression of some sort, both read only, changeable data and as an extra feature. Similar categories Category:Disk images Category:Archive formats NewPP limit report Parsed by mw1219 Cached time: 20170303072654 Cache expiry: 2592000 Dynamic content: false CPU time usage: 0.000 seconds […]
READ MORE »Posts in category 文件系统
Analysis of write amplification for synchronized write in Linux ext3/ext4 filesystems
Phenomenon: In ext3/ext4 file system, synchronized write performance of 4KB block size is about 50MB /s. However, Huawei ES3000 PCI-E SSD 4K synchronized write performance is almost 220MB /s . There is a performance gap between PCI-E SSD raw device and filesystems on it. Root Cause Analysis : 1. The 4K synchronized write performance […]
READ MORE »Linux ext3/ext4文件系统中同步写放大问题
现象： 客户在ext4文件系统下，以4KB数据块大小同步写性能在47MB/s左右，和PCI-E SSD 4K同步写性能200MB/s有差距。
READ MORE »