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https://reviews.apache.org/r/53829/
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Review request for Aurora, Mehrdad Nurolahzade and Zameer Manji.
Bugs: AURORA-1802
https://issues.apache.org/jira/browse/AURORA-1802
Repository: aurora
Description
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This patch aims to strike a better balance between available offers, already
launched tasks, andtasks to be scheduled. Specifically, it ensures that we
only measure scheduling of tasks for which instances of the same job are
already running (e.g. as needed by limit constraints).
The following setup is now the default: Given N hosts
* there are 0.25 * N tasks of job A scheduled
* there are 0.25 * N tasks of job B scheduled
* there are 0.50 * N free offers available
* we try to schedule a task instance of job A
Hopefully this provides us with benchmark results closer to actual
production performance.
Before:
SchedulingBenchmarks.LimitConstraintMismatchSchedulingBenchmark.runBenchmark
thrpt 10 1646.245 ± 273.340 ops/s
After:
SchedulingBenchmarks.LimitConstraintMismatchSchedulingBenchmark.runBenchmark
thrpt 10 241.808 ± 51.952 ops/s
Diffs
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src/jmh/java/org/apache/aurora/benchmark/BenchmarkSettings.java
94f8b799c15601758aed1c5458ad7af79bda6bbb
src/jmh/java/org/apache/aurora/benchmark/SchedulingBenchmarks.java
1b56500260fc6539facf0ae3a25db02cc72b82db
Diff: https://reviews.apache.org/r/53829/diff/
Testing
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Thanks,
Stephan Erb
