On Tue, 3 Apr 2018 14:45:28 -0700 Nagarathnam Muthusamy <nagarathnam.muthus...@oracle.com> wrote:
> > This changelog doesn't explain what the value is to our users. I > > assume it is a performance optimization because "backward translation > > requires scanning all tasks"? If so, please show us real-world > > examples of the performance benefit from this patch, and please go to > > great lengths to explain to us why this optimisation is needed by our > > users. > > One of the usecase by Oracle database involves multiple levels of > nested pid namespaces and we require pid translation between the > levels. Discussions on the particular usecase, why any of the existing > methods was not usable happened in the following thread. > > https://patchwork.kernel.org/patch/10276785/ > > At the end, it was agreed that this patch along with flocks will solve the > issue. Nobody who reads this patch's changelog will know any of this. Please let's get all this information into the proper place.
