com.datasift.dropwizard.hbase.metrics.HBaseInstrumentation Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of dropwizard-extra-hbase Show documentation
Show all versions of dropwizard-extra-hbase Show documentation
Dropwizard integration for working with HBase in Scala.
package com.datasift.dropwizard.hbase.metrics;
import com.datasift.dropwizard.hbase.HBaseClient;
import com.datasift.dropwizard.hbase.scanner.RowScanner;
import com.yammer.metrics.core.Gauge;
import com.yammer.metrics.core.MetricsRegistry;
import com.yammer.metrics.core.Timer;
/**
* A container for {@link Timer}s used to time {@link HBaseClient} requests.
*
* @see com.datasift.dropwizard.hbase.InstrumentedHBaseClient
*/
public class HBaseInstrumentation {
// request timers
private final Timer creates;
private final Timer increments;
private final Timer compareAndSets;
private final Timer deletes;
private final Timer assertions;
private final Timer flushes;
private final Timer gets;
private final Timer locks;
private final Timer puts;
private final Timer unlocks;
private final String name;
private final MetricsRegistry registry;
/**
* Initialises instrumentation for the given {@link HBaseClient} using the given {@link
* MetricsRegistry}.
*
* @param client the client to create metrics for.
* @param registry the registry to register the metrics with.
* @param name the name of the client/scanner to register metrics under.
*/
public HBaseInstrumentation(final HBaseClient client,
final MetricsRegistry registry,
final String name) {
final Class clazz = client.getClass();
this.name = name;
this.registry = registry;
// timers
creates = registry.newTimer(clazz, "create", name);
increments = registry.newTimer(clazz, "increment", name);
compareAndSets = registry.newTimer(clazz, "compareAndSet", name);
deletes = registry.newTimer(clazz, "delete", name);
assertions = registry.newTimer(clazz, "assertion", name);
flushes = registry.newTimer(clazz, "flush", name);
gets = registry.newTimer(clazz, "get", name);
locks = registry.newTimer(clazz, "lock", name);
puts = registry.newTimer(clazz, "put", name);
unlocks = registry.newTimer(clazz, "unlock", name);
// client stats
registry.newGauge(clazz, "atomicIncrements", "totals", new Gauge() {
@Override public Long value() {
return client.stats().atomicIncrements();
}
});
registry.newGauge(clazz, "connectionsCreated", "totals", new Gauge() {
@Override public Long value() {
return client.stats().connectionsCreated();
}
});
registry.newGauge(clazz, "contendedMetaLookups", "totals", new Gauge() {
@Override public Long value() {
return client.stats().contendedMetaLookups();
}
});
registry.newGauge(clazz, "deletes", "totals", new Gauge() {
@Override public Long value() {
return client.stats().deletes();
}
});
registry.newGauge(clazz, "flushes", "totals", new Gauge() {
@Override public Long value() {
return client.stats().flushes();
}
});
registry.newGauge(clazz, "gets", "totals", new Gauge() {
@Override public Long value() {
return client.stats().gets();
}
});
registry.newGauge(clazz, "noSuchRegionExceptions", "totals", new Gauge() {
@Override public Long value() {
return client.stats().noSuchRegionExceptions();
}
});
registry.newGauge(clazz, "numBatchedRpcSent", "totals", new Gauge() {
@Override public Long value() {
return client.stats().numBatchedRpcSent();
}
});
registry.newGauge(clazz, "numRpcDelayedDueToNSRE", "totals", new Gauge() {
@Override public Long value() {
return client.stats().numRpcDelayedDueToNSRE();
}
});
registry.newGauge(clazz, "puts", "totals", new Gauge() {
@Override public Long value() {
return client.stats().puts();
}
});
registry.newGauge(clazz, "rootLookups", "totals", new Gauge() {
@Override public Long value() {
return client.stats().rootLookups();
}
});
registry.newGauge(clazz, "rowLocks", "totals", new Gauge() {
@Override public Long value() {
return client.stats().rowLocks();
}
});
registry.newGauge(clazz, "scannersOpened", "totals", new Gauge() {
@Override public Long value() {
return client.stats().scannersOpened();
}
});
registry.newGauge(clazz, "scans", "totals", new Gauge() {
@Override public Long value() {
return client.stats().scans();
}
});
registry.newGauge(clazz, "uncontendedMetaLookups", "totals", new Gauge() {
@Override public Long value() {
return client.stats().uncontendedMetaLookups();
}
});
// increment buffer stats
registry.newGauge(clazz, "averageLoadPenalty", "incrementBuffer",
new Gauge() {
@Override public Double value() {
return client.stats().incrementBufferStats()
.averageLoadPenalty();
}
});
registry.newGauge(clazz, "evictionCount", "incrementBuffer",
new Gauge() {
@Override public Long value() {
return client.stats().incrementBufferStats()
.evictionCount();
}
});
registry.newGauge(clazz, "hitCount", "incrementBuffer",
new Gauge() {
@Override public Long value() {
return client.stats().incrementBufferStats().hitCount();
}
});
registry.newGauge(clazz, "hitRate", "incrementBuffer",
new Gauge() {
@Override public Double value() {
return client.stats().incrementBufferStats().hitRate();
}
});
registry.newGauge(clazz, "loadCount", "incrementBuffer",
new Gauge() {
@Override public Long value() {
return client.stats().incrementBufferStats()
.loadCount();
}
});
registry.newGauge(clazz, "loadExceptionCount", "incrementBuffer",
new Gauge() {
@Override public Long value() {
return client.stats().incrementBufferStats()
.loadExceptionCount();
}
});
registry.newGauge(clazz, "loadExceptionRate", "incrementBuffer",
new Gauge() {
@Override public Double value() {
return client.stats().incrementBufferStats()
.loadExceptionRate();
}
});
registry.newGauge(clazz, "loadSuccessCount", "incrementBuffer",
new Gauge() {
@Override public Long value() {
return client.stats().incrementBufferStats()
.loadSuccessCount();
}
});
registry.newGauge(clazz, "missCount", "incrementBuffer",
new Gauge() {
@Override public Long value() {
return client.stats().incrementBufferStats()
.missCount();
}
});
registry.newGauge(clazz, "missRate", "incrementBuffer",
new Gauge() {
@Override public Double value() {
return client.stats().incrementBufferStats()
.missRate();
}
});
registry.newGauge(clazz, "requestCount", "incrementBuffer",
new Gauge() {
@Override public Long value() {
return client.stats().incrementBufferStats()
.requestCount();
}
});
registry.newGauge(clazz, "totalLoadTime", "incrementBuffer",
new Gauge() {
@Override public Long value() {
return client.stats().incrementBufferStats()
.totalLoadTime();
}
});
}
/**
* Gets the {@link Timer} for create requests.
*
* @return the {@link Timer} for create requests.
*/
public Timer getCreates() {
return creates;
}
/**
* Gets the {@link Timer} for increment requests.
*
* @return the {@link Timer} for increment requests.
*/
public Timer getIncrements() {
return increments;
}
/**
* Gets the {@link Timer} for compare-and-set requests.
*
* @return the {@link Timer} for compare-and-set requests.
*/
public Timer getCompareAndSets() {
return compareAndSets;
}
/**
* Gets the {@link Timer} for delete requests.
*
* @return the {@link Timer} for delete requests.
*/
public Timer getDeletes() {
return deletes;
}
/**
* Gets the {@link Timer} for assertion requests.
*
* @return the {@link Timer} for assertion requests.
*/
public Timer getAssertions() {
return assertions;
}
/**
* Gets the {@link Timer} for flush requests.
*
* @return the {@link Timer} for flush requests.
*/
public Timer getFlushes() {
return flushes;
}
/**
* Gets the {@link Timer} for get requests.
*
* @return the {@link Timer} for get requests.
*/
public Timer getGets() {
return gets;
}
/**
* Gets the {@link Timer} for lock requests.
*
* @return the {@link Timer} for lock requests.
*/
public Timer getLocks() {
return locks;
}
/**
* Gets the {@link Timer} for put requests.
*
* @return the {@link Timer} for put requests.
*/
public Timer getPuts() {
return puts;
}
/**
* Gets the {@link Timer} for unlock requests.
*
* @return the {@link Timer} for unlock requests.
*/
public Timer getUnlocks() {
return unlocks;
}
/**
* Creates the instrumentation for a {@link RowScanner}.
*
* @param scanner The {@link RowScanner} to instrument with metrics.
*
* @return The instrumentation for the {@link RowScanner}.
*/
public ScannerInstrumentation instrument(final RowScanner scanner) {
return new ScannerInstrumentation(scanner, registry, name);
}
}