/*
* Copyright 2013 Peter Lawrey
*
* 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 com.higherfrequencytrading.chronicle.examples;
import com.higherfrequencytrading.chronicle.Excerpt;
import com.higherfrequencytrading.chronicle.impl.IndexedChronicle;
import com.higherfrequencytrading.chronicle.tools.ChronicleTools;
import java.io.IOException;
/**
* @author peter.lawrey
*/
public class TestManyUpdatesMain {
public static void main(String... ignored) throws IOException {
String basePath = System.getProperty("java.io.tmpdir") + "/updates";
ChronicleTools.deleteOnExit(basePath);
long start = System.nanoTime();
IndexedChronicle chronicle = new IndexedChronicle(basePath);
int count = 1000 * 1000;
for (Excerpt e = chronicle.createExcerpt(); e.index() < count; ) {
e.startExcerpt(100);
e.append("id=").append(e.index()).append(",name=lyj").append(e.index());
e.finish();
}
chronicle.close();
long time = System.nanoTime() - start;
System.out.printf("%,d inserts took %.3f seconds%n", count, time / 1e9);
}
}