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Hystrix metrics as streams #1047

Merged
merged 45 commits into from
Jan 14, 2016
Merged

Hystrix metrics as streams #1047

merged 45 commits into from
Jan 14, 2016

Commits on Jan 12, 2016

  1. HystrixCommandEventStream that models an infinite stream of HystrixCo… 

    …mmandExecutions
    Matt Jacobs committed Jan 12, 2016
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  2. Write command completions to HystrixCommandEventStream (still writing… 

    … to RollingNumber/RollingPercentile as well)
    Matt Jacobs committed Jan 12, 2016
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  3. HystrixCommandMetrics buckets metrics and writes them to Subjects for… 

    … querying
    Matt Jacobs committed Jan 12, 2016
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  4. Reading from rolling percentile subject for latency metrics. 

    * Added HystrixServoMetricsPublisherCommandTest as a concrete unit test that behavior is still correct
    Matt Jacobs committed Jan 12, 2016
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  5. Wired HealthCounts up to HystrixCommandEventStream. 

    * They get calculated only on health count intervals
    Matt Jacobs committed Jan 12, 2016
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  6. Decreasing memory allocations

    Matt Jacobs committed Jan 12, 2016
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  7. Changing model from the first level of event writes being command-lev… 

    …el, to thread-level.

* Added global-level stream as a way to recover command-level streams
    Matt Jacobs committed Jan 12, 2016
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  8. Added object pooling to HystrixLatencyDistribution

    Matt Jacobs committed Jan 12, 2016
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  9. Stop writing to HystrixRollingNumber for event counters (cumulative a… 

    …nd rolling)
    Matt Jacobs committed Jan 12, 2016
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  10. Removed individual event writes from HystrixCommandMetrics

    Matt Jacobs committed Jan 12, 2016
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  11. Calculating EXCEPTION_THROWN count from other HystrixEventTypes

    Matt Jacobs committed Jan 12, 2016
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  12. Track execution result of RESPONSE_FROM_CACHE

    Matt Jacobs committed Jan 12, 2016
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  13. Fixed thread race in HystrixCommandEventStream construction

    Matt Jacobs committed Jan 12, 2016
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  14. Only calling 1 constructor per metric-stream

    Matt Jacobs committed Jan 12, 2016
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  15. Cleaning up logging and adding some comments to how streams are being… 

    … used for HystrixCommandMetrics
    Matt Jacobs committed Jan 12, 2016
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  16. Ensure only a single thread can reset the command health stream

    Matt Jacobs committed Jan 12, 2016
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  17. More minor cleanup

    Matt Jacobs committed Jan 12, 2016
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  18. Converted counters in HystrixThreadPoolMetrics to read from existing … 

    …command execution stream
    Matt Jacobs committed Jan 12, 2016
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  19. Bugfixes to accurately count only executions on a threadpool and thre… 

    …adpool-rejections
    Matt Jacobs committed Jan 12, 2016
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  20. Modelling command max-concurrency as a stream

    Matt Jacobs committed Jan 12, 2016
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  21. Upgrade to RxJava 1.1.0

    Matt Jacobs committed Jan 12, 2016
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  22. Refactor to generalize concept of bucketed streams so that commands/t… 

    …hreadpools can both share them
    Matt Jacobs committed Jan 12, 2016
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  23. Generalizing command concurrency to event concurrency and wired it up… 

    … to thread pools as well
    Matt Jacobs committed Jan 12, 2016
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  24. Unit tests for streams and some changes to make streams more testable

    Matt Jacobs committed Jan 12, 2016
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  25. Removing stray println

    Matt Jacobs committed Jan 12, 2016
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  26. Performance work

    Matt Jacobs committed Jan 12, 2016
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  27. Added Collapser counter metrics

    Matt Jacobs committed Jan 12, 2016
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  28. Added HystrixEventType.ThreadPool enum

    Matt Jacobs committed Jan 12, 2016
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  29. Using dedicated write-only subject and multi-cast read-only Observabl… 

    …e for event streams
    Matt Jacobs committed Jan 12, 2016
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  30. Cleaned up release logic in RollingCommandLatencyStream

    Matt Jacobs committed Jan 12, 2016
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  31. Refactored command latencies to extend RollingDistributionStream

    Matt Jacobs committed Jan 12, 2016
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  32. Decouple metric stream creation from subscription. This allows only t… 

    …he work that's needed to be done
    Matt Jacobs committed Jan 12, 2016
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  33. Fixed max-concurrency streams

    Matt Jacobs committed Jan 12, 2016
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  34. Moving provided metric consumers into a separate package

    Matt Jacobs committed Jan 12, 2016
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  35. Cleaning up Servo usage of metrics

    Matt Jacobs committed Jan 12, 2016
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  36. Updated metrics calls from hystrix-metrics-event-stream

    Matt Jacobs committed Jan 12, 2016
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  37. Introduced a threadsafe wrapper aroun Histogram (CachedValuesHistogram)

    Matt Jacobs committed Jan 12, 2016
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  38. Cleaned up unused imports

    Matt Jacobs committed Jan 12, 2016
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  39. Clean up JMH config

    Matt Jacobs committed Jan 12, 2016
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  40. Fixing imports in CommandExecutionPerfTest

    Matt Jacobs committed Jan 12, 2016
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  41. Updated documentation to be clear that event writes happen synchronously

    Matt Jacobs committed Jan 12, 2016
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  42. Consistency between work being performance-tested in metrics-read JMH… 

    … test
    Matt Jacobs committed Jan 12, 2016
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Commits on Jan 13, 2016

  1. Making Servo cuulative counters test less flaky

    Matt Jacobs committed Jan 13, 2016
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  2. Added missing licenses

    Matt Jacobs committed Jan 13, 2016
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  3. Separating out commands in ServoCommand unit tests, so that they may … 

    …be run concurrently
    Matt Jacobs committed Jan 13, 2016
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