prometheus/CHANGELOG.md

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## 0.6.0 / 2014-06-30
[FEATURE] Added console and alert templates support, along with various template functions.
[PERFORMANCE] Much faster and more memory-efficient flushing to disk.
[ENHANCEMENT] Query results are now only logged when debugging.
[ENHANCEMENT] Upgraded to new Prometheus client library for exposing metrics.
[BUGFIX] Samples are now kept in memory until fully flushed to disk.
[BUGFIX] Non-200 target scrapes are now treated as an error.
[BUGFIX] Added installation step for missing dependency to Dockerfile.
[BUGFIX] Removed broken and unused "User Dashboard" link.
## 0.5.0 / 2014-05-28
* [BUGFIX] Fixed next retrieval time display on status page.
* [BUGFIX] Updated some variable references in tools subdir.
* [FEATURE] Added support for scraping metrics via the new text format.
* [PERFORMANCE] Improved label matcher performance.
* [PERFORMANCE] Removed JSON indentation in query API, leading to smaller response sizes.
* [ENHANCEMENT] Added internal check to verify temporal order of streams.
* [ENHANCEMENT] Some internal refactorings.
## 0.4.0 / 2014-04-17
* [FEATURE] Vectors and scalars may now be reversed in binary operations (`<scalar> <binop> <vector>`).
* [FEATURE] It's possible to shutdown Prometheus via a `/-/quit` web endpoint now.
* [BUGFIX] Fix for a deadlock race condition in the memory storage.
* [BUGFIX] Mac OS X build fixed.
* [BUGFIX] Built from Go 1.2.1, which has internal fixes to race conditions in garbage collection handling.
* [ENHANCEMENT] Internal storage interface refactoring that allows building e.g. the `rule_checker` tool without LevelDB dynamic library dependencies.
* [ENHANCEMENT] Cleanups around shutdown handling.
* [PERFORMANCE] Preparations for better memory reuse during marshalling / unmarshalling.