That's very likely what I tried to do too. Since I can't, I'll have to live with the "all in". haha
Regards, Webert Lima DevOps Engineer at MAV Tecnologia *Belo Horizonte - Brasil* On Wed, Jun 7, 2017 at 2:53 AM, Christian Balzer <ch...@gol.com> wrote: > > Hello, > > On Tue, 6 Jun 2017 08:58:07 -0300 Webert de Souza Lima wrote: > > > Hey Christian. > > > > Which settings do you mean? I played a lot > > with hit_set_count, hit_set_period, min_read_recency_for_promote > > and min_write_recency_for_promote. > > They showed no effect when hit_set_count = 0. > > > Yes, that's what I meant, as in hit_set_count is an all or nothing setting. > > Quite a while ago when these things were added with Jewel I was clamoring > for having a better control with respect to read and write promotes. > As in having split > osd_tier_promote_max_bytes_sec and osd_tier_promote_max_objects_sec > into _read and _write parameters. > > In my use case I want all writes to go to the cache-tier all the time and > have a mostly bored and decent backing storage, thus can get away with > setting the cache-tier to readforward and go full blast on the writes. > > But that's less than elegant of course. > > Christian > > > > > On Mon, Jun 5, 2017 at 11:54 PM, Christian Balzer <ch...@gol.com> wrote: > > > > > > > > Hello, > > > > > > On Tue, 06 Jun 2017 02:35:25 +0000 Webert de Souza Lima wrote: > > > > > > > I'd like to add that, from all tests I did, the writing of new files > only > > > > go directly to the cache tier if you set hit set count = 0. > > > > > > > Yes, that also depends on the settings of course. (which we don't > know, as > > > they never got posted). > > > > > > I was reciting from Hammer times, where this was the default case. > > > > > > Christian > > > > > > > > Regards, > > > > Webert Lima > > DevOps Engineer at MAV Tecnologia > > *Belo Horizonte - Brasil* > > > -- > Christian Balzer Network/Systems Engineer > ch...@gol.com Rakuten Communications >
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