IO queueing defaults

2019-09-11 Thread Adam Kocoloski
A few months ago a bunch of code landed on master around IO QoS and prioritization. I think we need to have a conversation about the defaults for that system and what we want to allow users to enable. First topic - there are actually two different generations of the IOQ system: IOQ and IOQ2.

Re: Proposed deprecations / removals (was: Re: Getting started on CouchDB 3.0, and an introduction)

2019-09-11 Thread Denitsa Burroughs
Hi Jan - Do you happen to have the ticket/link for this? > I remembered one last deprecation we wanted in 3.0: security tightening, > which included the deprecation of admin party. > Thanks! Deni On Mon, Sep 9, 2019 at 2:14 PM Joan Touzet wrote: > I remembered one last deprecation we wanted

Re: Introduction of open tracing (otter)

2019-09-11 Thread Ilya Khlopotov
> For me the main question is how much overhead is associated with tracing. Bellow is a breakdown on cost of various operations > Can an admin safely configure it to run in production? I believe it can be used in production if we are careful with filters. We need to configure prefilter_rules

Re: Introduction of open tracing (otter)

2019-09-11 Thread Garren Smith
This looks really good. Just checking are we planning to integrate this for the 3.x release or 4.x? On Wed, Sep 11, 2019 at 12:50 AM Paul Davis wrote: > +1 > > On Tue, Sep 10, 2019 at 4:51 PM Adam Kocoloski > wrote: > > > > Yeah, I meant the latter — joining CouchDB’s span information to spans