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/*
* 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.
*/
package org.apache.pulsar.metadata.impl.stats;
import io.prometheus.client.Counter;
import io.prometheus.client.Histogram;
import java.util.concurrent.atomic.AtomicBoolean;
public final class MetadataStoreStats implements AutoCloseable {
private static final double[] BUCKETS = new double[]{1, 3, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000};
private static final String OPS_TYPE_LABEL_NAME = "type";
private static final String METADATA_STORE_LABEL_NAME = "name";
private static final String STATUS = "status";
private static final String OPS_TYPE_GET = "get";
private static final String OPS_TYPE_DEL = "del";
private static final String OPS_TYPE_PUT = "put";
private static final String STATUS_SUCCESS = "success";
private static final String STATUS_FAIL = "fail";
protected static final String PREFIX = "pulsar_metadata_store_";
private static final Histogram OPS_LATENCY = Histogram
.build(PREFIX + "ops_latency", "-")
.unit("ms")
.buckets(BUCKETS)
.labelNames(METADATA_STORE_LABEL_NAME, OPS_TYPE_LABEL_NAME, STATUS)
.register();
private static final Counter PUT_BYTES = Counter
.build(PREFIX + "put", "-")
.unit("bytes")
.labelNames(METADATA_STORE_LABEL_NAME)
.register();
private final Histogram.Child getOpsSucceedChild;
private final Histogram.Child delOpsSucceedChild;
private final Histogram.Child putOpsSucceedChild;
private final Histogram.Child getOpsFailedChild;
private final Histogram.Child delOpsFailedChild;
private final Histogram.Child putOpsFailedChild;
private final Counter.Child putBytesChild;
private final String metadataStoreName;
private final AtomicBoolean closed = new AtomicBoolean(false);
public MetadataStoreStats(String metadataStoreName) {
this.metadataStoreName = metadataStoreName;
this.getOpsSucceedChild = OPS_LATENCY.labels(metadataStoreName, OPS_TYPE_GET, STATUS_SUCCESS);
this.delOpsSucceedChild = OPS_LATENCY.labels(metadataStoreName, OPS_TYPE_DEL, STATUS_SUCCESS);
this.putOpsSucceedChild = OPS_LATENCY.labels(metadataStoreName, OPS_TYPE_PUT, STATUS_SUCCESS);
this.getOpsFailedChild = OPS_LATENCY.labels(metadataStoreName, OPS_TYPE_GET, STATUS_FAIL);
this.delOpsFailedChild = OPS_LATENCY.labels(metadataStoreName, OPS_TYPE_DEL, STATUS_FAIL);
this.putOpsFailedChild = OPS_LATENCY.labels(metadataStoreName, OPS_TYPE_PUT, STATUS_FAIL);
this.putBytesChild = PUT_BYTES.labels(metadataStoreName);
}
public void recordGetOpsSucceeded(long millis) {
this.getOpsSucceedChild.observe(millis);
}
public void recordDelOpsSucceeded(long millis) {
this.delOpsSucceedChild.observe(millis);
}
public void recordPutOpsSucceeded(long millis, int bytes) {
this.putOpsSucceedChild.observe(millis);
this.putBytesChild.inc(bytes);
}
public void recordGetOpsFailed(long millis) {
this.getOpsFailedChild.observe(millis);
}
public void recordDelOpsFailed(long millis) {
this.delOpsFailedChild.observe(millis);
}
public void recordPutOpsFailed(long millis) {
this.putOpsFailedChild.observe(millis);
}
@Override
public void close() throws Exception {
if (this.closed.compareAndSet(false, true)) {
OPS_LATENCY.remove(this.metadataStoreName, OPS_TYPE_GET, STATUS_SUCCESS);
OPS_LATENCY.remove(this.metadataStoreName, OPS_TYPE_DEL, STATUS_SUCCESS);
OPS_LATENCY.remove(this.metadataStoreName, OPS_TYPE_PUT, STATUS_SUCCESS);
OPS_LATENCY.remove(this.metadataStoreName, OPS_TYPE_GET, STATUS_FAIL);
OPS_LATENCY.remove(this.metadataStoreName, OPS_TYPE_DEL, STATUS_FAIL);
OPS_LATENCY.remove(this.metadataStoreName, OPS_TYPE_PUT, STATUS_FAIL);
PUT_BYTES.remove(this.metadataStoreName);
}
}
}
