/*
* Copyright 2015-2016 the original author or authors.
*
* Licensed 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.glowroot.agent.embedded.util;
public class CappedDatabaseStats {
private long totalBytesBeforeCompression;
private long totalBytesAfterCompression;
private long totalNanos;
private long writeCount;
public long getTotalBytesBeforeCompression() {
return totalBytesBeforeCompression;
}
public long getTotalBytesAfterCompression() {
return totalBytesAfterCompression;
}
public double getTotalMillis() {
return totalNanos / 1000000.0;
}
public long getWriteCount() {
return writeCount;
}
public double getCompressionRatio() {
return (totalBytesBeforeCompression - totalBytesAfterCompression)
/ (double) totalBytesBeforeCompression;
}
public double getAverageBytesPerWriteBeforeCompression() {
return totalBytesBeforeCompression / (double) writeCount;
}
public double getAverageBytesPerWriteAfterCompression() {
return totalBytesAfterCompression / (double) writeCount;
}
public double getAverageMillisPerWrite() {
return totalNanos / (1000 * 1000 * (double) writeCount);
}
void record(long bytesBeforeCompression, long bytesAfterCompression, long nanos) {
totalBytesBeforeCompression += bytesBeforeCompression;
totalBytesAfterCompression += bytesAfterCompression;
totalNanos += nanos;
writeCount++;
}
}