|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.apache.hadoop.hbase.regionserver.metrics.RegionServerMetrics
public class RegionServerMetrics
This class is for maintaining the various regionserver 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.
Field Summary | |
---|---|
org.apache.hadoop.metrics.util.MetricsTimeVaryingRate |
atomicIncrementTime
|
org.apache.hadoop.metrics.util.MetricsLongValue |
blockCacheCount
Block cache item count. |
org.apache.hadoop.metrics.util.MetricsLongValue |
blockCacheFree
Block cache free size. |
org.apache.hadoop.metrics.util.MetricsIntValue |
blockCacheHitRatio
Block hit ratio. |
org.apache.hadoop.metrics.util.MetricsLongValue |
blockCacheSize
Block cache size. |
org.apache.hadoop.metrics.util.MetricsIntValue |
compactionQueueSize
Size of the compaction queue. |
org.apache.hadoop.metrics.util.MetricsTimeVaryingRate |
fsReadLatency
filesystem read latency |
org.apache.hadoop.metrics.util.MetricsTimeVaryingRate |
fsSyncLatency
filesystem sync latency |
org.apache.hadoop.metrics.util.MetricsTimeVaryingRate |
fsWriteLatency
filesystem write latency |
org.apache.hadoop.metrics.util.MetricsIntValue |
memstoreSizeMB
Sum of all the memstore sizes in this regionserver in MB |
org.apache.hadoop.metrics.util.MetricsIntValue |
regions
Count of regions carried by this regionserver |
org.apache.hadoop.metrics.util.MetricsIntValue |
storefileIndexSizeMB
Sum of all the storefile index sizes in this regionserver in MB |
org.apache.hadoop.metrics.util.MetricsIntValue |
storefiles
Count of storefiles open on the regionserver. |
org.apache.hadoop.metrics.util.MetricsIntValue |
stores
Count of stores open on the regionserver. |
Constructor Summary | |
---|---|
RegionServerMetrics()
|
Method Summary | |
---|---|
void |
doUpdates(org.apache.hadoop.metrics.MetricsContext unused)
Since this object is a registered updater, this method will be called periodically, e.g. |
float |
getRequests()
|
void |
incrementRequests(int inc)
|
void |
resetAllMinMax()
|
void |
shutdown()
|
String |
toString()
|
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
---|
public final org.apache.hadoop.metrics.util.MetricsTimeVaryingRate atomicIncrementTime
public final org.apache.hadoop.metrics.util.MetricsIntValue regions
public final org.apache.hadoop.metrics.util.MetricsLongValue blockCacheSize
public final org.apache.hadoop.metrics.util.MetricsLongValue blockCacheFree
public final org.apache.hadoop.metrics.util.MetricsLongValue blockCacheCount
public final org.apache.hadoop.metrics.util.MetricsIntValue blockCacheHitRatio
public final org.apache.hadoop.metrics.util.MetricsIntValue stores
public final org.apache.hadoop.metrics.util.MetricsIntValue storefiles
public final org.apache.hadoop.metrics.util.MetricsIntValue storefileIndexSizeMB
public final org.apache.hadoop.metrics.util.MetricsIntValue memstoreSizeMB
public final org.apache.hadoop.metrics.util.MetricsIntValue compactionQueueSize
public final org.apache.hadoop.metrics.util.MetricsTimeVaryingRate fsReadLatency
public final org.apache.hadoop.metrics.util.MetricsTimeVaryingRate fsWriteLatency
public final org.apache.hadoop.metrics.util.MetricsTimeVaryingRate fsSyncLatency
Constructor Detail |
---|
public RegionServerMetrics()
Method Detail |
---|
public void shutdown()
public void doUpdates(org.apache.hadoop.metrics.MetricsContext unused)
doUpdates
in interface org.apache.hadoop.metrics.Updater
unused
- public void resetAllMinMax()
public float getRequests()
public void incrementRequests(int inc)
inc
- How much to add to requests.public String toString()
toString
in class Object
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |