The number of files and sub-directories is limited by the number of available inodes which is fixed at the time you create the file system (by -i argument to newfs(8)). Anyway, stick with Jeremy's advise if you do not like trouble. Jeremy Chadwick wrote:
On Sun, Nov 09, 2008 at 01:40:51AM +0000, [EMAIL PROTECTED] wrote: Hi, I have a FreeBSD server that has about 10,500 subdirectories within a single directory. This number will keep rising and I assume UFS2 has a limit to the number of sub-directories in a single directory - can anyone tell me what it is? As far as I know, there is no such limit on the number of files/dirs inside of a directory. I don't want to change the topic of discussion, but I *highly* recommend you ***stop*** whatever it is you're doing that is creating such a directory structure. Software which has to iterate through that directory using opendir() and readdir() will get slower and slower as time goes on. If this is something you've written or have control over or can work with engineers in regards to, I recommend you change your directory naming scheme to have separate subdirectories with the first 2 or 3 letters of the directory you wish to create. E.g.: /some/place/00/00ilikezeros/* /some/place/01/01binaryheaven/* /some/place/aa/aardvarks/* /some/place/ab/abuse/* /some/place/ac/actuary/* ... /some/place/xy/xylophones/* You get the point. Traversing this structure is much more efficient, and requires very little code change on your part. Those who run nameservers that host many zones, for example, use this structure to ensure the daemon doesn't take 32498231 years to start up. What about ZFS? At some point I'll have to re-arrange things so that I have a deeper directory structure, just wondering when I'll hit the limit so I can plan in advance :-) What baffles me is why you're looking at this problem from a " "how can the filesystem solve this engineering mistake I made for me" standpoint, rather than "how can I solve this engineering mistake I made so that it doesn't impact the filesystem". Very strange. Sometimes looking at things in a different light makes all the difference. Hope this helps. P.S. -- I hope this mail makes it to you, because your From line is [EMAIL PROTECTED] (I'll be surprised if your account name really is that!). -- Best regards. Hooman Fazaeli <[EMAIL PROTECTED]> Sepehr S. T. Co. Ltd. Web: http://www.sepehrs.com Tel: (9821)88975701-2 Fax: (9821)88983352 References 1. mailto:[EMAIL PROTECTED] 2. mailto:[EMAIL PROTECTED] 3. mailto:[EMAIL PROTECTED] 4. http://www.sepehrs.com/ _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"