17 Oct
2019
17 Oct
'19
10:41 p.m.
How do I find the number of directory fragments and possibly their contents
?
How do I find the number of stray directories being created and possibly
their contents ?
Are there any commands that help get answers to the above questions?
--
Milind
18 Oct
18 Oct
4:22 a.m.
On Thu, Oct 17, 2019 at 6:42 AM Milind Changire <mchangir(a)redhat.com> wrote:
How do I find the number of directory fragments and possibly their contents ?
You would want to look at fragtree_t and InodeStoreBase::dirfragtree.
Getting the contents of a directory fragment involves actually loading
it into cache as a CDir. Look in CInode::get_or_open_dirfrag.
How do I find the number of stray directories being
created and possibly their contents ?
Every rank has 10 stray directories. See MDCache::strays;
Are there any commands that help get answers to the
above questions?
You can view some of this information by dumping the MDS cache using
the asok commands.
--
Patrick Donnelly, Ph.D.
He / Him / His
Senior Software Engineer
Red Hat Sunnyvale, CA
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D
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