Hi, On 02.12.2010 11:58, sf...@users.sourceforge.net wrote: > Oliver Welter: >> I dont get OOM messages, I guess libau is the "readdir in userspace" >> option from the kernel config? >> >> As I am running aufs in vservers (kind of jail) - is it necessary to >> install the aufs-userspace helpers in every guest or is this all handled >> from the root context? > > Then what is the message from kernel? Do you get the stack trace? > > libau.so is based upon ld.so/ld-linux.so's feature, and you need to set > some environment variables. > Generally, when your application calls readdir(3), ld.so binds it to the > one in libc.so. If you set environment var, it will be bound to the one > in libau.so. It means libau.so (the file itself) and env. var are > necessary for every guests. It doesn't matter whatever you place > libau.so as long as application in guests can refer to it. > Please see the manual in detail. > > But if your problem is unrelated to OOM, libau may not help. >
I cant really put a sense in it, but I had a directory with 150k! Files in it and after removing it the performance is much better. Looks like aufs has a general problem with a large number of files per directory. The same du directly on the "base" fs works without any issues. Oliver -- Protect your environment - close windows and adopt a penguin! PGP-Key: 3B2C 8095 A7DF 8BB5 2CFF 8168 CAB7 B0DD 3985 1721
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