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/*
* Copyright 2015 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.local.store;
public class CappedDatabaseStats {
private long totalBytesBeforeCompression;
private long totalBytesAfterCompression;
private long totalMicros;
private long totalWrites;
public long getTotalBytesBeforeCompression() {
return totalBytesBeforeCompression;
}
public long getTotalBytesAfterCompression() {
return totalBytesAfterCompression;
}
public double getTotalMillis() {
return totalMicros / 1000.0;
}
public long getTotalWrites() {
return totalWrites;
}
public double getCompressionRatio() {
return (totalBytesBeforeCompression - totalBytesAfterCompression)
/ (double) totalBytesBeforeCompression;
}
public double getAverageBytesPerWriteBeforeCompression() {
return totalBytesBeforeCompression / (double) totalWrites;
}
public double getAverageBytesPerWriteAfterCompression() {
return totalBytesAfterCompression / (double) totalWrites;
}
public double getAverageMillisPerWrite() {
return totalMicros / (double) (1000 * totalWrites);
}
void record(long bytesBeforeCompression, long bytesAfterCompression, long micros) {
totalBytesBeforeCompression += bytesBeforeCompression;
totalBytesAfterCompression += bytesAfterCompression;
totalMicros += micros;
totalWrites++;
}
}