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CHANGELOG.md

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Changelog

[Unreleased]

Added

Changed

Fixed

v1.5

Added

  • Added support for eStargz in stock-only setup.
  • Added setup script for stargz-snapshotter.
  • Added example knative deployment for eStargz.

Changed

  • Bumped Knative to v1.9, Go to v1.19, Kubernetes to v1.25, Istio to 1.16.0, metallb 0.13.9, Calico to 3.25.1
  • Bumped the GitHub-hosted runner OS version to ubuntu 20.

Fixed

v1.4.2

Added

Changed

  • Bumped Knative to v1.4, Go to v1.18, Kubernetes to v1.23, Istio to 1.12, protoc to 3.19, runc to 1.1.

Fixed

v1.4.1

Added

Changed

  • Support Ubuntu 20 as the host OS, Ubuntu 18 support dropped.
  • Removed local registry CRI tests.

Fixed

v1.4

Added

  • Added support for gVisor MicroVMs, as an alternative to Firecracker.
  • Added vSwarm, a suite of representative serverless workloads. Currently, in a beta testing mode.
  • Added Python and Go tracing modules and an example showing its usage. Moved to vSwarm.
  • Added Golang and Python storage modules, supporting AWS S3 and AWS ElastiCache. Moved to vSwarm.
  • Added self-hosted stock-Knative runners on KinD, see scripts/self-hosted-kind.

Changed

  • Workload stdout/stderr is not directly redirected to vhive stdout/stderr anymore but is printed by vhive via logrus.WithFields(logrus.Fields{"vmID": vmID}).
  • Moved the CRI non-Firecracker tests to self-hosted stock-Knative runners.

v1.3

Added

  • Added 2 chained-functions microbenchmarks, synchronous and asynchronous, that use Knative Serving and Eventing, correspondingly. Tracing is fully supported for Serving function composition, partially supported for Eventing function composition.
  • Added documentation on vHive benchmarking methodology for arbitrary serverless deployments.
  • Added documentation for adding benchmarks to vHive.
  • Added Knative Eventing Tutorial: documentation and example.
  • Added a Go module for tracing using zipkin.
  • Improved CI troubleshooting: CRI test logs are now stored as GitHub artifacts.
  • Added script to (re)start vHive single node cluster in a push-button.
  • Added a linter for hyperlink checking in markdown files.

Changed

  • Bumped Containerd to v1.6.0.
  • Bumped Knative to v0.23.0.
  • Bumped Go to v1.16.4.
  • Frozen Kubernetes at v1.20.6-00.
  • Simplified Go dependencies management by refactoring modules into packages.

Fixed

  • Fixed stock Knative cluster startup.

v1.2

Added

Features for performance analysis

  • Zipkin support added for tracing and breaking down latencies in a distributed vHive setting (e.g., across Istio and Knative services). More info here
  • [beta] Added a profiler that collects low-level microarchitectural metrics, using the Intel TopDown method. The tool aims at studying the implications of multi-tenancy, i.e., the VM number, on the the tail latency and throughput.

Features for benchmarking at scale and multi-function applications

  • Added cluster-local container registry support to avoid DockerHub bottleneck. Contributed by @amohoste from ETH Zurich.
  • [alpha] Added Knative eventing support using In-Memory Channel and MT-Channel-broker. Integration tests and Apache Kafka support coming soon.
  • Added support for MinIO object store (non-replicated, non-distributed). More info here

Other

  • vHive now also supports vanilla Knative benchmarking and testing (i.e., using containers for function sandboxes). More info here.

Changed

  • Bumped up the Firecracker version to v0.24 with REAP snapshots support.
  • Bumped up all Knative components to version v0.21.
  • MicroVMs have network access to all services deployed in a vHive/k8s cluster and the Internet by default, using an automatically detected, or a user-specified, host interface.

Fixed

  • CI pulls the latest binaries from git-lfs when running tests on self-hosted runners.

v1.1

Added

  • Created a CI pipeline that runs CRI integration tests inside containers using kind.
  • Added a developer image that runs a vHive k8s cluster in Docker, simplifying vHive development and debugging.
  • Extended the developers guide on the modes of operation, performance analysis and vhive development environment inside containers.
  • Added a slide deck of Dmitrii's talk at Amazon.
  • Added a commit linter and a spell checker for *.md files.

Changed

  • Use replace pragmas instead of Go modules.
  • Bump Go version to 1.15 in CI.
  • Deprecated Travis CI.

Fixed

  • Fixed the vHive cluster setup issue for clusters with >2 nodes issue.