| Package | Description |
|---|---|
| org.apache.hadoop.fs.statistics.impl |
Implementation support for statistics.
|
| Modifier and Type | Class and Description |
|---|---|
class |
ForwardingIOStatisticsStore
This may seem odd having an IOStatisticsStore which does nothing
but forward to a wrapped store, but it's designed to
assist in subclassing of selective methods, such
as those to increment counters, get durations etc.
|
| Modifier and Type | Method and Description |
|---|---|
IOStatisticsStore |
IOStatisticsStoreBuilder.build()
Build the collector.
|
static IOStatisticsStore |
IOStatisticsBinding.emptyStatisticsStore()
Get the shared instance of the immutable empty statistics
store.
|
protected IOStatisticsStore |
ForwardingIOStatisticsStore.getInnerStatistics() |
| Constructor and Description |
|---|
ForwardingIOStatisticsStore(IOStatisticsStore innerStatistics) |
StatisticDurationTracker(IOStatisticsStore iostats,
String key)
Constructor -increments the counter by 1.
|
StatisticDurationTracker(IOStatisticsStore iostats,
String key,
long count)
Constructor.
|
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