<commit_before># v0.9.0 (in development)

* **Breaking change**: Fixed typo in UnixBench benchmark name: now `UnixBench_benchmark` (GH-50).
* **Breaking change**: removed `--json_output` flag. JSON samples are always
  written (GH-41).
* Added support for C4 instance types on EC2 (GH-63).
* Added support for specifying `--product_name` on the command line (GH-55).
* Added side-by-side comparison tool (GH-39, GH-61).
* Factored out package management to support RHEL, CentOS (GH-54).
* Improved accuracy of cluster boot time (GH-69, GH-73).
* **Breaking change:** updated benchmark names to be more consistent (GH-72).
  Specific changes:

    + `cassandra` → `cassandra_stress`
    + `copy_benchmark` → `copy_throughput`
    + `fio_benchmark` → `fio`
    + `hadoop_benchmark` → `hadoop_terasort`
    + `mesh_benchmark` → `mesh_network`
    + `netperf_simple` → `netperf`<commit_msg>Update CHANGES.md.<commit_after># v0.9.0 (in development)

* **Breaking change**: Fixed typo in UnixBench benchmark name: now `UnixBench_benchmark` (GH-50).
* **Breaking change**: removed `--json_output` flag. JSON samples are always
  written (GH-41).
* Added support for C4 instance types on EC2 (GH-63).
* Added support for specifying `--product_name` on the command line (GH-55).
* Added side-by-side comparison tool (GH-39, GH-61, GH-62).
* Factored out package management to support RHEL, CentOS (GH-54).
* Improved accuracy of cluster boot time (GH-69, GH-73).
* **Breaking change:** updated benchmark names to be more consistent (GH-72).
  Specific changes:

    + `cassandra` → `cassandra_stress`
    + `copy_benchmark` → `copy_throughput`
    + `fio_benchmark` → `fio`
    + `hadoop_benchmark` → `hadoop_terasort`
    + `mesh_benchmark` → `mesh_network`
    + `netperf_simple` → `netperf`
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