@InterfaceAudience.Private public class MetricsTableQueryMeterImpl extends Object implements MetricsTableQueryMeter
MetricsTableQueryMeter to track query per second for each table in
a RegionServer.| Modifier and Type | Class and Description |
|---|---|
private static class |
MetricsTableQueryMeterImpl.TableMeters |
| Modifier and Type | Field and Description |
|---|---|
private Map<TableName,MetricsTableQueryMeterImpl.TableMeters> |
metersByTable |
private MetricRegistry |
metricRegistry |
private static String |
TABLE_READ_QUERY_PER_SECOND |
private static String |
TABLE_WRITE_QUERY_PER_SECOND |
| Constructor and Description |
|---|
MetricsTableQueryMeterImpl(MetricRegistry metricRegistry) |
| Modifier and Type | Method and Description |
|---|---|
private MetricsTableQueryMeterImpl.TableMeters |
getOrCreateTableMeter(TableName tableName) |
private static String |
qualifyMetricsName(TableName tableName,
String metric) |
void |
updateTableReadQueryMeter(TableName tableName)
Update table read QPS
|
void |
updateTableReadQueryMeter(TableName tableName,
long count)
Update table read QPS
|
void |
updateTableWriteQueryMeter(TableName tableName)
Update table write QPS
|
void |
updateTableWriteQueryMeter(TableName tableName,
long count)
Update table write QPS
|
private final Map<TableName,MetricsTableQueryMeterImpl.TableMeters> metersByTable
private final MetricRegistry metricRegistry
private static final String TABLE_READ_QUERY_PER_SECOND
private static final String TABLE_WRITE_QUERY_PER_SECOND
public MetricsTableQueryMeterImpl(MetricRegistry metricRegistry)
private static String qualifyMetricsName(TableName tableName, String metric)
private MetricsTableQueryMeterImpl.TableMeters getOrCreateTableMeter(TableName tableName)
public void updateTableReadQueryMeter(TableName tableName, long count)
MetricsTableQueryMeterupdateTableReadQueryMeter in interface MetricsTableQueryMetertableName - The table the metric is forcount - Number of occurrences to recordpublic void updateTableReadQueryMeter(TableName tableName)
MetricsTableQueryMeterupdateTableReadQueryMeter in interface MetricsTableQueryMetertableName - The table the metric is forpublic void updateTableWriteQueryMeter(TableName tableName, long count)
MetricsTableQueryMeterupdateTableWriteQueryMeter in interface MetricsTableQueryMetertableName - The table the metric is forcount - Number of occurrences to recordpublic void updateTableWriteQueryMeter(TableName tableName)
MetricsTableQueryMeterupdateTableWriteQueryMeter in interface MetricsTableQueryMetertableName - The table the metric is forCopyright © 2007–2021 The Apache Software Foundation. All rights reserved.