Re: [Server-devel] [support-gang] jffs2 vs ubifs vs ext4 space-efficiency question

2015-12-23 Thread Gonzalo Odiard
Would be nice explore F2FS (Flash-Friendly File System) https://en.wikipedia.org/wiki/F2FS On Tue, Dec 22, 2015 at 6:40 PM, Martin Langhoff wrote: > On Tue, Dec 22, 2015 at 4:28 PM, James Cameron wrote: > > Yes, jffs2 compresses data. That's why

Re: [Server-devel] [support-gang] jffs2 vs ubifs vs ext4 space-efficiency question

2015-12-22 Thread James Cameron
Yes, jffs2 compresses data. That's why it is so slow. That's why SD card is faster than it should be otherwise. No, there's no commonly used compression for ext4. It would be a performance tradeoff; compression takes time and power. On Tue, Dec 22, 2015 at 04:24:48PM -0500, Adam Holt wrote: >

Re: [Server-devel] [support-gang] jffs2 vs ubifs vs ext4 space-efficiency question

2015-12-22 Thread Martin Langhoff
On Tue, Dec 22, 2015 at 4:28 PM, James Cameron wrote: > Yes, jffs2 compresses data. That's why it is so slow. That's why SD > card is faster than it should be otherwise. +1 on James reply. Also a quick note: AIUI, jffs2 gets much of its storage advantage from better packing