On Tue, Nov 13, 2012 at 12:19:25AM -0800, David Rientjes wrote: > On Tue, 13 Nov 2012, Cyrill Gorcunov wrote: > > > > The question is, how many `struct inotify_inode_mark's are instantiated > > > system-wide? Could be millions? > > > > Well, hard to tell, to be fair. On my testing machine only apache has been > > using inotify system as far as I remember, but for sure nothing except memory > > limit the number of inotify. But I think if one running machine with millions > > of inotify it's rather powerful machine with enough memory. > > > > Seems easy to determine if you boot with slub_nomerge on the command line > and then read /sys/kernel/slab/inotify_inode_mark/objects. On my system, > that happens to be 210, but I'm sure you could come up with a realistic > synthetic workload to make it much higher. Which would give about 26K of additional memory if c/r get used here. Not a big number i guess? -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
