| Package | Description |
|---|---|
| org.apache.hadoop.mapreduce.v2.app.speculate |
| Modifier and Type | Class | 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 | Description |
|---|---|
DefaultSpeculator(org.apache.hadoop.conf.Configuration conf,
AppContext context,
TaskRuntimeEstimator estimator,
org.apache.hadoop.yarn.util.Clock clock) |
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