| Package | Description |
|---|---|
| org.apache.hadoop.mapreduce.v2.app.speculate |
| Modifier and Type | Class and Description |
|---|---|
class |
ExponentiallySmoothedTaskRuntimeEstimator
This estimator exponentially smooths the rate of progress versus wallclock
time.
|
class |
LegacyTaskRuntimeEstimator |
class |
NullTaskRuntimesEngine |
class |
SimpleExponentialTaskRuntimeEstimator
A task Runtime Estimator based on exponential smoothing.
|
| Constructor and Description |
|---|
DefaultSpeculator(org.apache.hadoop.conf.Configuration conf,
AppContext context,
TaskRuntimeEstimator estimator,
org.apache.hadoop.yarn.util.Clock clock) |
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