v1.7.0: New features:

* Add ProfitBricks provider (thanks @tjb1019, GH-1005)
* Add YCSB JDBC benchmark (thanks @k1xme, GH-1049)
* Add support for st1 and sc1 disks on EBS (GH-1067)

Breaking changes:
* Change default gce_migrate_on_maintenance to True (GH-1069)

Enhancements:
* Update OpenStack provider to use OpenStacks CLI instead of python
  library
  (thanks @meteorfox, GH-942)
* Improve side-by-side tool (GH-1034)
* Specify flags to metadata (GH-1047)
* Allow Java version for Java benchmarks to be selected via command
  line (GH-1051)
* Add numjobs runtime option to fio_benchmark (GH-1066)
* Add netperf histogram support (GH-1072)
* Add multi-vm support for object_storage_service_benchmark (GH-1074)
* Add support for custom s3 endpoints for
  object_storage_service_benchmark
  (GH-1078)
* Add user-defined metadata for vms (GH-1080)

Bugfixes and maintenance updates:
* Refactor object_storage_service_benchmark (GH-1023)
* Support overriding ycsb_client_vms in benchmark spec (thanks @k1xme,
  GH-1042)
* Update YCSB to 0.9.0 and support latest logging format (thanks @k1xme,
  GH-1043)
* Fix zones flag (GH-1044)
* Update Bigtable to v2 API (thanks @tswast, GH-1045)
* Update maven version to 3.3.9 (GH-1046)
* Start background workload in prepare stage and stop in cleanup
  stage (GH-1048)
* Minor fixes in flag description (GH-1052)
* Only upload files needed for API testing script for
  object_storage_service_benchmark (GH-1053)
* Fix redis_ycsb benchmark to use multiple processes (GH-1062, GH-1068,
  GH-1070)
* Fix bug with custom machine types configs (GH-1077)
* Fix in documentation of ParseTimeCommandResult (thanks @skorgu,
  GH-1079)
* Replace Pandas dependency with Numpy (GH-1081)
* Turn off OpenBlas threading, improving HPCC on large vms (GH-1084)
* Cleanup object_storage_serivce benchmark (GH-1085)
* Cleanup aerospike_ycsb benchmarks (GH-1086)

v1.6.0: New features:

New features:

• Apache Spark benchmark (GH-1014,GH-1011)
• Cloudsuite dataserving benchmark (thanks @ustiugov, GH-930)

Enhancements:

• Optionally publish VM hostnames in metadata (GH-1020)
• Control which netperf benchmarks are run via flag (GH-1029)
• Netperf benchmark reports min and max latency (GH-1013)
• Add multichase to the google benchmark set (GH-1018)
• Update Cloudsuite web serving benchmark (thanks @ivonindza, @GH-998)
• Object storage updates (GH-987)
• Repeat Run stage (GH-1032)

Bugfixes and maintenance updates:

• Fix path to cassandra-cli (thanks @AdamIsrael, GH-1006)
• Update ycsb version; affects cloud_bigtable_ycsb_benchmark, hbase_ycsb
  (GH-1021, GH-1025, GH-1031)
• Use latest gsutil version (GH-1012)
• Remove duplicate requirements files (GH-975)
• Update openblas version (GH-1003)
• Background workload refactor (GH-1033)

v1.5.0

1.5.0

New features:

• Add cloudsuite graph analytics benchmark (thanks @mdrumond; GH-986)
• Add initial implementation of multichase benchmark (GH-977)
• Add cloudsuite media streaming benchmark (thanks @ivonindza; GH-993)
• Add analysis functions for processing multistream object storage benchmark data (GH-905)
• Add CloudSuite Data-caching benchmark (thanks @neo-apz; GH-970)
• Add ability to bundle PKB into a python-executable zip file (GH-971)
• Add os_type for Juju Mixin (thanks @AdamIsrael; GH-764)
• Add CloudSuite in-memory analytics benchmark (thanks @ivonindza; GH-934)

Breaking changes:

• Replace the old CloudSuite Web Search benchmark with the docker version (thanks @javpicorel; GH-931)
• Update Aerospike version (GH-978)

Enhancements:

• Add --fio_blocksize option (GH-943)
• Update speccpu2006 benchmark to support iso file (GH-944)
• Allow --run_stage to specify multiple stages (GH-935)
• Add flag to control iperf timeout (GH-994)

Bugfixes and maintenance updates:

• Fix cloud bigtable and hbase (GH-1001)
• Install openssl for the object storage benchmark (GH-1000)
• Fix bug in MongoDB YCSB benchmark (GH-999)
• Change import_util.LoadModulesForPath to also load packages (GH-983)
• Add 'ap-northeast-2' to the S3 regions table (GH-990)
• Change check-lint.sh to invoke flake8 via tox (GH-979)
• Change GetLastRunUri to handle the new temp directory structure (GH-985)
• Support S3 Signature Version 4 (GH-984)
• Add back support for python-gflags version 2. (GH-973)
• Define units.Unit.ne (GH-976)
• Reorder some PKB initialization steps (GH-965)
• Move to gflags version 3.0.4 (GH-969)
• Modify semantics of UnitsParser's convertible_to parameter (GH-968)
• Add percent (%) as a recognized pint unit (GH-964)
• Improve Azure CLI version check (GH-967, GH-958)
• Don't request SSH verbose output when --log_level=debug (GH-962)
• Move per-provider package requirement files (GH-961)
• Move pint unit registry code into a separate module (GH-960)
• Only check python package requirements if requirements.txt exists (GH-959)
• Changed LoadProvider to accept un-lowered cloud provider name (GH-957)
• Change bg tests to patch and verify call counts for each VM separately (GH-954)
• Make BenchmarkSpec.vms order consistent across runs (GH-953)
• Fix os type related issues and bugs (GH-950, GH-955, GH-952, GH-951, GH-949)
• Call CheckPrerequisites earlier (GH-947)
• Add percentiles option to PercentilesCalculator (GH-910)
• Fix publisher bug when disk_size is None (GH-946)
• Handle unset PYTHONPATH in tox.ini (GH-941)
• Add a helper function to BenchmarkConfigSpec to redirect flags (GH-936)
• Add support for interrupting child threads created by RunThreaded (GH-926)
• Fix bugs and improve the Cloud Bigtable benchmark (GH-937, GH-933, GH-932)
• Add a helpful error message if a UnitsParser parses a unitless value (GH-963)

v1.4.0: Release 1.4.0

New features:

* openstack: Add support for optional floating ip pool (thanks @meteorfox, GH-861)
* openstack: Use Keystone session for handling authentication (thanks @meteorfox, GH-870)
* Support object storage classes in object storage service benchmarks (GH-895)
* Add Object Size Distributions in object storage service benchmarks (GH-888)
* Add MultiStreamThroughput benchmark to object storage benchmarks (GH-840)
* Adds a SPEC SFS 2014 benchmark which runs against GlusterFS (GH-876)
* gce_virtual_machine: Support user provided instance metadata (GH-859)

Improvements and fixes:

* openstack: Wait until VM deletion has been completed (thanks @meteorfox, GH-904)
* openstack: Fix floating IP allocation and deallocation (thanks @meteorfox, GH-862)
* rackspace: Fix missing flags bug (thanks @meteorfox, GH-903)
* Allow user to specify a flag when they run object storage benchmark on GCP, and default that flag to the latest known working version. (GH-925)
* Update mechanism used to get iperf server process id. (GH-921)
* Rename variables and improve documentation of BaseOsMixin.PullFile. (GH-923)
* Fix WindowsMixin._GetNumCpus when more than one Win32_processor exists. (GH-920)
* Add exception types to except clauses. (GH-893)
* Add Flag for List Consistency Iterations (GH-889)
* Add unit tests for scripts (GH-882)
* Add disk type examples to README.md (GH-871)
* Copy-edit the README (GH-877)
* Turn off selinux for mongodb. (thanks @akrzos, GH-867)
* Use temp files for Popen stdout and stderr in IssueCommand. (GH-878)

v1.3.0: External contributions:

* Add RHEL based virtual machines to OpenStack provider. (thanks @akrzos;
  GH-858)
  * Change rackspace provider information to use official CLI (thanks @meteorfox; GH-844)
  * Add rackspace requirements (thanks @meteorfox; GH-805)

New features:
  * Support flags in YAML format. (GH-857)
  * Check version of required packages at runtime (GH-834)
  * User-specified multiregion for GCS benchmarking (GH-845)
  * Support metadata for gcp instances (GH-859)

Bugfixes and maintences updates:
  * Change rackspace's AllowPort to enable UDP (thanks @meteorfox; GH-805)
  * Allow most recent verison gcs-oauth2-boto-plugin (GH-849)
  * Require Pint >= 0.7 (GH-850)
  * Update PIP (GH-842)
  * Fix windows log message (GH-832)
  * Properly Pickle Pint Quantities (GH-830)
  * os_type added to boot benchmark metadata (GH-826)
  * Better handle Azure timeouts (GH-825)
  * Better handling of AWS integration tests. (GH-869, GH-868)

v1.2.0: Release 1.2.0

New features:
* Introduce Object Sizes (GH-808).
* Add ListDecoder for verifying a config option that expects list values
  (GH-807).

Enhancements:
* Bump HBase to 1.0.3 (GH-822).
* Change MockFlags to be more like the real FlagValues (GH-812).
* Rename test_flag_util.py and add FlagDictSubstitution tests (GH-811).
* Create BenchmarkConfigSpec to aggregate benchmark input
  checking (GH-810).
* Remove flag proxy objects (GH-802).

Bugfixes and maintenance updates:
* Fix sample iperf sample (GH-801).
* FixIntDecoder and FloatDecoder behavior when min=0 or max=0 (GH-800).

v1.1.0: Release 1.1.0

External contributions:
* Add additional percentile samples to mysql_service benchmark and others
  (thanks @zbjornson; GH-729).
* Add Mesos-Marathon as a provider (thanks @mateusz-blaszkowski; GH-679,
  GH-731).
* Use only available floating-ips for OpenStack (thanks @meteorfox; GH-733).
* Add OpenStack CLI-based support for object_storage_service benchmark (thanks
  @meteorfox; GH-738).
* Make printed benchmark results more readable (thanks @wonderfly; GH-747).
* Clean up formatting, grammar, and markdown in README.md (thanks @mbrukman;
  GH-748).
* Add links to projects and licenses in README.md (thanks @mbrukman; GH-763).
* Fix a bug that caused --helpxml to not work (thanks @jldiaz; GH-782).
* Make OpenStack VM username configurable with a new --openstack_image_username
  flag (thanks @lwatta; GH-788).

New features:
* Allow users to specify a storage region for the object_storage_service
  benchmark with a new --object_storage_region flag (GH-609).
* Add support for running a background CPU workload while executing a benchmark
  (GH-715, GH-762).
* Allow creating GCE custom VMs easily from command-line flags (GH-727).
* Add the --gce_network_name to allow GCE users to use pre-existing networks
  (GH-746).
* Publish a PTRANS sample from the hpcc benchmark (GH-785).
* Add support for running a background network workload while executing a
  benchmark (GH-786).
* Add a CSV sample output format (GH-791).

Enhancements:
* Trim blocks while formatting and mounting disks (GH-692).
* Raise an error when no requests succeed in redis_benchmark (GH-702).
* Update the Google benchmark set (GH-705).
* Add input-checking to disk specs (GH-675, GH-779).
* Let disks on Windows machines return Windows DeviceIds (GH-743).
* Speed up Cassandra cluster boot by setting "auto_bootstrap" to false (GH-751).
* Defer package update for Ubuntu (GH-752).
* Add provider-specific requirements.txt files (GH-753).
* Increase preload thread count for YCSB benchmarks (GH-760). This change
  affects some of the samples generated by the aerospike_ycsb, cassandra_ycsb,
  and mongodb_ycsb benchmarks, including the overall Runtime and overall
  Throughput.
* Guarantee order of VM and disk spec config option decoding (GH-792).

Bugfixes and maintenance updates:
* Create one AWS VPC/IGW/PlacementGroup per region (GH-687, GH-798).
* Update README.md instructions for setting up PKB for GCE (GH-689).
* Update comments in pkb.py to reflect new provision and teardown stages
  (GH-691).
* Fix bug that prevented object_storage_service benchmark from running in stages
  (GH-694).
* Add test helpers that make it easier to mock command-line flags (GH-695,
  GH-730).
* Delete set-interrupts.sh (GH-703).
* Make process exit status non-zero upon benchmark failure (GH-713).
* Move "To run again" message from teardown to cleanup stage (GH-714).
* Fix creation of AWS VMs using Placement Groups (GH-721).
* Create AWS/GCE default access rules before creating VMs (GH-726, GH-756).
  This change affects the Boot Time measured by the cluster_boot benchmark.
* Fix a GCE boot disk creation bug (GH-736).
* ntttcp benchmark fixes (GH-737).
* Force mongodb_ycsb benchmark to use only one VM (GH-755).
* Unmount /mnt if it exists prior to creating a scratch filesystem (GH-757).
* Move provider constants to a separate module (GH-758).
* Fix a bug when creating an AWS VPC outside the user's default region (GH-774).
* Add tests for generating help strings (GH-782).
* Kill servers started by the iperf benchmark as part of its cleanup (GH-784).
* Fix some style inconsistencies (GH-789).
* Move operating system constants to a separate module (GH-790).
* Fix some broken tests (GH-795, GH-796).