On Wed, Mar 20, 2013 at 09:08:49PM +0100, Martin Steigerwald wrote: > The fragmentation visuation tool works nicely. Tried it on about 200 GiB > /home, almost no fragmentation, some 3-4%, but mostly 0.something%, > and on about 20 GiB root, were some chunks were fragmented upto 30-40%. > > What kind of fragmentation does the tool count? From what I understand > by looking at the source, extent fragmentation?
It's a high-level view of the 1GB chunk fragmentation, reflecting the contiguous allocated vs free space. A partition with frequent rewrites is likely to contain more fragmented chunks as you observe for your / . david -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
