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commit 44e66220fa22b0c5fea0e4b4de52dcd4f75d81da Author: Benjamin Mahler <[email protected]> AuthorDate: Tue Aug 21 11:35:17 2018 -0700 Added 1.7.0 performance improvements to the CHANGELOG. This adds some highlighting of important performance improvements in 1.7.0 to ease human consumption. Review: https://reviews.apache.org/r/68446 --- CHANGELOG | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) diff --git a/CHANGELOG b/CHANGELOG index 7c711d6..2f33380 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,28 @@ Release Notes - Mesos - Version 1.7.0 ------------------------------------------- This release contains the following highlights: + * Performance Improvements: + + * **Master `/state` endpoint:** Adopted RapidJSON and reduced + copying for a ~130% throughput improvement due to a ~55% + decrease in latency (MESOS-9092). Also, added parallel + processing of `/state` requests to reduce master backlogging + / interference under high request load (MESOS-9122). + + * **Allocator:** Improved allocator cycle time significantly + (MESOS-9087). This, together with the reduced master + backlogging from `/state` improvements, reduces the + end-to-end offer cycling time between Mesos and schedulers. + + * **Agent `/containers` endpoint:** Fixed a performance issue + that caused high latency / cpu consumption when there are + many containers on the agent (MESOS-8418). + + * **Agent container launching performance improvements**: + The expensive `cgroups::verify()` calls were removed which + provides a significant improvement to container launch / + destroy throughput (MESOS-9081). + * [MESOS-7691] - Added a new option `cgroups/all` to the agent flag `--isolation`. This allows cgroups isolator to automatically load all the local enabled cgroups subsystems. If this option is specified @@ -27,11 +49,6 @@ This release contains the following highlights: * [MESOS-5647] - Expose network statistics for containers on CNI network in the `network/cni` isolator. - * [MESOS-9122] - Batch v0 '/state' requests on Master: '/state' requests - are not scheduled directly after authorization, but are accumulated and - then scheduled for later parallel processing. This improves the Master's - performance under high-load conditions. - * [MESOS-8842] - **Experimental** Added per-framework metrics to the master. These new metrics provide detailed information about the behavior of each framework and can help with scalability testing, debugging, and fine grained
