On 11/27/2014 01:11 PM, Stephan Wiesand wrote:
On 27 Nov 2014, at 11:26, Hans-Werner Paulsen <[email protected]> wrote:
Yesterday, on another machine I created and deleted 4 million files on AFS. The
number of afs_inode_cache slabs grew from 1 million to 5 million. Today there
are still 5 million entries.
It should shrink when there's memory pressure. If you're still worried, there's
the -disable-dynamic-vcaches switch for afsd.
On my desktop PC (Linux 3.16.5 x86_64, OpenAFS 1.6.10) I set the
-disable-dynamic-vcaches option, the -stat option has a value of 65536.
When I create 100,000 files, I see 100,000 more afs_inode_cache slab
objects. But, the fileserver is seeing this option, there are only 65253
nFEs, 65253 nCBs (4194304 nblks). Without -disable-dynamic-vcaches the
number of CBs is about the number of created files. And if I try to
create more files than nCBs on the fileserver, the fileserver
(dafileserver) hangs for about 15 minutes (dafileserver 100-120% cpu!),
and I get a "connection timeout" on the client.
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