Hi, On Fri, Sep 25, 2020 at 4:40 PM Mark Thomas <ma...@apache.org> wrote:
> On 25/09/2020 14:34, ma...@apache.org wrote: > > This is an automated email from the ASF dual-hosted git repository. > > > > markt pushed a change to branch master > > in repository https://gitbox.apache.org/repos/asf/tomcat.git. > > > > > > from 519f6f8 Fix a typo in changelog > > new ee25710 Reduce memory footprint of closed http/2 streams > > new f6e656e Reduce memory footprint of closed http/2 streams > > new 0f66705 Reduce memory footprint of closed http/2 streams > > new fa6df26 Reduce memory footprint of closed http/2 streams > > new 9ee7d6a Reduce memory footprint of closed http/2 streams > > new 30df6a0 Reduce memory footprint of closed http/2 streams > > new 0a78ae9 Fully replace Stream with RecycledStream > > new 954cbff Refactor the pruning so more stream info is retained > for longer > > new 18e0e3f Update changelog > > All, > > This set of changes provided multiple improvements to the HTTP/2 > implementation: > > 1. The memory used by closed streams is significantly reduced (hopefully > without the NPEs triggered by my previous attempt). > 2. We retain information on more streams in the priority tree. This > enables greater latitude for clients that send frames for streams > that have been closed (while not increasing memory). > 3. We no longer aggressively prune the priority tree to just active > streams (this was causing problems in some usage patterns). > > My plan is to let this run on the CI for a few days and then - assuming > no issues - back-port it early next week. > I will cherry-pick these commits to a branch [1] that I use for testing and profiling. I'll report back with the results! 1. https://github.com/martin-g/tomcat/tree/http2/use-navigateable-map-for-http2-streams > > Mark > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org > For additional commands, e-mail: dev-h...@tomcat.apache.org > >
