On Wed, Jul 29, 2009 at 10:08 AM, Mulyadi Santosa<mulyadi.santosa@xxxxxxxxx> wrote: > On Wed, Jul 29, 2009 at 4:06 AM, Darvin Denmian<darvin.denmian@xxxxxxxxx> wrote: >> Hello, >> >> My question is about tmpfs: >> >> -> If i increase the number of "inodes" avaliable in a tmpfs mounted >> directory, will i have some performance impact? >> >> # Before increase number of inodes >> df -i /media/queue >> tmpfs 129384 4229 125155 4% /media/queue >> >> # After increase number of inodes >> tmpfs 2048000 4229 2043771 1% /media/queue >> >> Sorry for my Brazilian English :( > > I think no. AFAIK, number of inodes just tell you how many file you > can make (since one inode represents the metadata of a file). > > However, IMO, depending on average file size you will create there, > having more inodes doesn't mean you can cram more files into your > tmpfs based directory. So it's more like balancing between inodes, > predicted number of file and storage size. By default, mount do this > for you. Yes... In general increasing number of inodes shouldn't affect performance unless you are going to pre-allocate space for that many inodes on disk (things like expanding your bitmaps and other metadata stuff). Thanks - Manish > > CMIIW people > > -- > regards, > > Mulyadi Santosa > Freelance Linux trainer > blog: the-hydra.blogspot.com > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx > Please read the FAQ at http://kernelnewbies.org/FAQ > > -- Thanks - Manish -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
