scylla-jmx/src/main/java/org/apache/cassandra/metrics/CompactionMetrics.java
Pekka Enberg 0f044e2f47 Rename "com.cloudius.urchin" package to "com.scylladb.jmx"
Move the Scylla JMX code under "com.scylladb.jmx" package.

Signed-off-by: Pekka Enberg <penberg@scylladb.com>
2015-12-17 09:28:17 +02:00

75 lines
2.9 KiB
Java

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright 2015 Cloudius Systems
*
* Modified by Cloudius Systems
*/
package org.apache.cassandra.metrics;
import java.util.concurrent.TimeUnit;
import com.scylladb.jmx.api.APIClient;
import com.scylladb.jmx.metrics.APIMetrics;
import com.scylladb.jmx.metrics.DefaultNameFactory;
import com.scylladb.jmx.metrics.MetricNameFactory;
import com.yammer.metrics.core.Counter;
import com.yammer.metrics.core.Gauge;
import com.yammer.metrics.core.Meter;
/**
* Metrics for compaction.
*/
public class CompactionMetrics {
public static final MetricNameFactory factory = new DefaultNameFactory(
"Compaction");
private APIClient c = new APIClient();
/** Estimated number of compactions remaining to perform */
public final Gauge<Integer> pendingTasks;
/** Number of completed compactions since server [re]start */
public final Gauge<Long> completedTasks;
/** Total number of compactions since server [re]start */
public final Meter totalCompactionsCompleted;
/** Total number of bytes compacted since server [re]start */
public final Counter bytesCompacted;
public CompactionMetrics() {
pendingTasks = APIMetrics.newGauge(
factory.createMetricName("PendingTasks"), new Gauge<Integer>() {
public Integer value() {
return c.getIntValue("/compaction_manager/metrics/pending_tasks");
}
});
completedTasks = APIMetrics.newGauge(
factory.createMetricName("CompletedTasks"), new Gauge<Long>() {
public Long value() {
return c.getLongValue("/compaction_manager/metrics/completed_tasks");
}
});
totalCompactionsCompleted = APIMetrics.newMeter(
"/compaction_manager/metrics/total_compactions_completed",
factory.createMetricName("TotalCompactionsCompleted"),
"compaction completed", TimeUnit.SECONDS);
bytesCompacted = APIMetrics.newCounter(
"/compaction_manager/metrics/bytes_compacted",
factory.createMetricName("BytesCompacted"));
}
}