Re: 1.8.x afs_inode_cache more slab usage
Stephan Wiesand <[email protected]>
| Newsgroups | gmane.comp.file-systems.openafs.general |
|---|---|
| Message-ID | <[email protected]> |
Hello, > On 3. Sep 2020, at 15:53, Chad William Seys <[email protected]> wrote: > > Hello all, > It seems that OpenAFS 1.8.x uses more slab (or doesn't free it as quickly) than 1.6.20 . > > The machine in question uses AFS heavily. it is used to backup our AFS area. It scans through files constantly and in more than directory and in two domains at a time. > I recently upgraded from Debian Stretch running openafs 1.6.20 to Debian Buster 1.8.2. After encountering the problem I also tried Debian Bullseye (testing) with openafs 1.8.6. Same symptoms. > On a 6GB (virtual) machine it used enough to start swapping and kill the machine. while that's not supposed to happen, I'm wondering whether running afsd with '-disable-dynamic-vcaches' would help? - Stephan > The last output of 'slabtop' says: > OBJS ACTIVE USE OBJSIZE SLABS OBJ/SLAB CACHE SIZE NAME > 5235885 5235885 100% 1.06K 539811 15 8636976K afs_inode_cache > > Any way to change this behavior? > > Thanks! > Cahd. -- Stephan Wiesand DESY -DV- Platanenallee 6 15738 Zeuthen, Germany