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java.lang.Objectorg.apache.hadoop.hbase.master.MetricsMaster
@InterfaceStability.Evolving @InterfaceAudience.Private public class MetricsMaster
This class is for maintaining the various master statistics and publishing them through the metrics interfaces.
This class has a number of metrics variables that are publicly accessible; these variables (objects) have methods to update their values.
| Constructor Summary | |
|---|---|
MetricsMaster(MetricsMasterWrapper masterWrapper)
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| Method Summary | |
|---|---|
void |
addMetaWALSplit(long time,
long size)
Record a single instance of a split |
void |
addSnapshot(long time)
Record a single instance of a snapshot |
void |
addSnapshotClone(long time)
Record a single instance of a snapshot cloned table |
void |
addSnapshotRestore(long time)
Record a single instance of a snapshot |
void |
addSplit(long time,
long size)
Record a single instance of a split |
MetricsMasterSource |
getMetricsSource()
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void |
incrementRequests(int inc)
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void |
updateRITCount(int ritCount)
set new value for number of regions in transition. |
void |
updateRITCountOverThreshold(int ritCountOverThreshold)
update RIT count that are in this state for more than the threshold as defined by the property rit.metrics.threshold.time. |
void |
updateRITOldestAge(long timestamp)
update the timestamp for oldest region in transition metrics. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public MetricsMaster(MetricsMasterWrapper masterWrapper)
| Method Detail |
|---|
public MetricsMasterSource getMetricsSource()
public void addSplit(long time,
long size)
time - time that the split tooksize - length of original HLogs that were split
public void addMetaWALSplit(long time,
long size)
time - time that the split tooksize - length of original HLogs that were splitpublic void incrementRequests(int inc)
inc - How much to add to requests.public void updateRITCount(int ritCount)
ritCount - public void updateRITCountOverThreshold(int ritCountOverThreshold)
ritCountOverThreshold - public void updateRITOldestAge(long timestamp)
timestamp - public void addSnapshot(long time)
time - time that the snapshot tookpublic void addSnapshotRestore(long time)
time - time that the snapshot restore tookpublic void addSnapshotClone(long time)
time - time that the snapshot clone took
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