I believe that the standard mechanisms for launching OSDs already sets
the thread cache higher than default. It's possible we might be able to
relax that now as async messenger doesn't thrash the cache as badly as
simple messenger did. I suspect there's probably still some value to
I don't think that's a default recommendation — Ceph is doing more
configuration of tcmalloc these days, tcmalloc has resolved a lot of bugs,
and that was only ever a thing that mattered for SSD-backed OSDs anyway.
-Greg
On Thu, Jul 19, 2018 at 5:50 AM Robert Stanford
wrote:
>
> It seems that
It seems that the Ceph community no longer recommends changing to
jemalloc. However this also recommends to do what's in this email's
subject:
https://ceph.com/geen-categorie/the-ceph-and-tcmalloc-performance-story/
Is it still recommended to increase the tcmalloc thread cache bytes, or is
