@InterfaceAudience.Private
@InterfaceStability.Unstable
@Metrics(about="Performance and usage metrics for Federation StateStore",
context="fedr")
public final class FederationStateStoreClientMetrics
extends Object
implements org.apache.hadoop.metrics2.MetricsSource
| Modifier and Type | Field and Description |
|---|---|
static org.slf4j.Logger |
LOG |
| Modifier and Type | Method and Description |
|---|---|
static void |
decrConnections() |
static void |
failedStateStoreCall() |
static FederationStateStoreClientMetrics |
getInstance() |
void |
getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector,
boolean all) |
static int |
getNumConnections() |
static void |
incrConnections() |
static void |
succeededStateStoreCall(long duration) |
public static FederationStateStoreClientMetrics getInstance()
public static void failedStateStoreCall()
public static void succeededStateStoreCall(long duration)
public static void incrConnections()
public static void decrConnections()
public void getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector,
boolean all)
getMetrics in interface org.apache.hadoop.metrics2.MetricsSource@VisibleForTesting public static int getNumConnections()
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