MetricsIOSource (Apache HBase 1.4.11 API)

All Superinterfaces:

BaseSource

All Known Implementing Classes:

MetricsIOSourceImpl
```
public interface MetricsIOSource
extends BaseSource
```

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`CHECKSUM_FAILURES_DESC`
`static String`	`CHECKSUM_FAILURES_KEY`
`static String`	`FS_PREAD_TIME_HISTO_DESC`
`static String`	`FS_PREAD_TIME_HISTO_KEY`
`static String`	`FS_READ_TIME_HISTO_DESC`
`static String`	`FS_READ_TIME_HISTO_KEY`
`static String`	`FS_WRITE_HISTO_KEY`
`static String`	`FS_WRITE_TIME_HISTO_DESC`
`static String`	`METRICS_CONTEXT` The name of the metrics context that metrics will be under.
`static String`	`METRICS_DESCRIPTION` Description
`static String`	`METRICS_JMX_CONTEXT` The name of the metrics context that metrics will be under in jmx
`static String`	`METRICS_NAME` The name of the metrics

Fields inherited from interface org.apache.hadoop.hbase.metrics.BaseSource
HBASE_METRICS_SYSTEM_NAME

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`updateFsPReadTime(long t)` Update the fs positional read time histogram
`void`	`updateFsReadTime(long t)` Update the fs sequential read time histogram
`void`	`updateFsWriteTime(long t)` Update the fs write time histogram

Methods inherited from interface org.apache.hadoop.hbase.metrics.BaseSource
decGauge, getMetricRegistryInfo, getMetricsContext, getMetricsDescription, getMetricsJmxContext, getMetricsName, incCounters, incGauge, init, removeMetric, setGauge, updateHistogram

- Field Detail
  - METRICS_NAME
```
static final String METRICS_NAME
```
    The name of the metrics
    
    See Also:
    Constant Field Values
  - METRICS_CONTEXT
```
static final String METRICS_CONTEXT
```
    The name of the metrics context that metrics will be under.
    
    See Also:
    Constant Field Values
  - METRICS_DESCRIPTION
```
static final String METRICS_DESCRIPTION
```
    Description
    
    See Also:
    Constant Field Values
  - METRICS_JMX_CONTEXT
```
static final String METRICS_JMX_CONTEXT
```
    The name of the metrics context that metrics will be under in jmx
    
    See Also:
    Constant Field Values
  - FS_READ_TIME_HISTO_KEY
```
static final String FS_READ_TIME_HISTO_KEY
```
    See Also:
    Constant Field Values
  - FS_PREAD_TIME_HISTO_KEY
```
static final String FS_PREAD_TIME_HISTO_KEY
```
    See Also:
    Constant Field Values
  - FS_WRITE_HISTO_KEY
```
static final String FS_WRITE_HISTO_KEY
```
    See Also:
    Constant Field Values
  - CHECKSUM_FAILURES_KEY
```
static final String CHECKSUM_FAILURES_KEY
```
    See Also:
    Constant Field Values
  - FS_READ_TIME_HISTO_DESC
```
static final String FS_READ_TIME_HISTO_DESC
```
    See Also:
    Constant Field Values
  - FS_PREAD_TIME_HISTO_DESC
```
static final String FS_PREAD_TIME_HISTO_DESC
```
    See Also:
    Constant Field Values
  - FS_WRITE_TIME_HISTO_DESC
```
static final String FS_WRITE_TIME_HISTO_DESC
```
    See Also:
    Constant Field Values
  - CHECKSUM_FAILURES_DESC
```
static final String CHECKSUM_FAILURES_DESC
```
    See Also:
    Constant Field Values
- Method Detail
  - updateFsReadTime
```
void updateFsReadTime(long t)
```
    Update the fs sequential read time histogram
    
    Parameters:
    t - time it took, in milliseconds
  - updateFsPReadTime
```
void updateFsPReadTime(long t)
```
    Update the fs positional read time histogram
    
    Parameters:
    t - time it took, in milliseconds
  - updateFsWriteTime
```
void updateFsWriteTime(long t)
```
    Update the fs write time histogram
    
    Parameters:
    t - time it took, in milliseconds

Interface MetricsIOSource

Field Summary

Fields inherited from interface org.apache.hadoop.hbase.metrics.BaseSource

Method Summary

Methods inherited from interface org.apache.hadoop.hbase.metrics.BaseSource

Field Detail

METRICS_NAME

METRICS_CONTEXT

METRICS_DESCRIPTION

METRICS_JMX_CONTEXT

FS_READ_TIME_HISTO_KEY

FS_PREAD_TIME_HISTO_KEY

FS_WRITE_HISTO_KEY

CHECKSUM_FAILURES_KEY

FS_READ_TIME_HISTO_DESC

FS_PREAD_TIME_HISTO_DESC

FS_WRITE_TIME_HISTO_DESC

CHECKSUM_FAILURES_DESC

Method Detail

updateFsReadTime

updateFsPReadTime

updateFsWriteTime