/*
* 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.ignite.yardstick;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ScheduledFuture;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.yardstickframework.BenchmarkConfiguration;
import org.yardstickframework.BenchmarkUtils;
/**
* Prints non-system caches size.
*/
public class PreloadLogger implements Runnable {
/** Benchmark configuration. */
private BenchmarkConfiguration cfg;
/** List of caches whose size to be printed during preload. */
private Collection<IgniteCache<Object, Object>> caches;
/** Map for keeping previous values to make sure all the caches are working correctly. */
private Map<String, Long> cntrs;
/** String template used in String.format() to make output readable. */
private String strFmt;
/** Future instance to stop print log. */
private ScheduledFuture<?> fut;
/**
* @param node Ignite node.
* @param cfg BenchmarkConfiguration.
*/
public PreloadLogger(IgniteNode node, BenchmarkConfiguration cfg) {
this.caches = new ArrayList<>();
this.cntrs = new HashMap<>();
this.cfg = cfg;
init(node);
}
/** {@inheritDoc} */
@Override public void run() {
printCachesStatistics();
}
/**
* Prints non-system cache sizes.
*/
public synchronized void printCachesStatistics() {
for (IgniteCache<Object, Object> cache : caches) {
try {
printCacheStatistics(cache);
}
catch (Exception e) {
BenchmarkUtils.println(cfg, "Failed to print cache size [cache=" + cache.getName()
+ ", msg=" + e.getMessage() + "]");
}
}
}
/**
* Print cache size along with amount of recently loaded entries.
*
* @param cache Ignite cache.
*/
private void printCacheStatistics(IgniteCache<Object, Object> cache) {
String cacheName = cache.getName();
long cacheSize = cache.sizeLong();
long recentlyLoaded = cacheSize - cntrs.get(cacheName);
String recLoaded = recentlyLoaded == 0 ? String.valueOf(recentlyLoaded) : "+" + recentlyLoaded;
BenchmarkUtils.println(cfg, String.format(strFmt, cacheName, cacheSize, recLoaded));
cntrs.put(cacheName, cacheSize);
}
/**
* Helper method for initializing the cache list and the counters map.
*
* @param node Ignite node.
*/
private void init(IgniteNode node) {
int longestName = 0;
for (String cacheName : node.ignite().cacheNames()) {
IgniteCache<Object, Object> cache = node.ignite().cache(cacheName);
caches.add(cache);
// Set up an initial values to the map.
cntrs.put(cache.getName(), 0L);
// Find out the length of the longest cache name.
longestName = Math.max(cache.getName().length(), longestName);
}
// Should look like "Preload:%-20s%-8d\t(%s)"
strFmt = "Preload:%-" + (longestName + 4) + "s%-8d\t(%s)";
}
/**
* Set future.
*/
public void setFuture(ScheduledFuture<?> fut) {
this.fut = fut;
}
/**
* Terminates printing log.
*/
public void stopAndPrintStatistics() {
try {
if (fut != null) {
if (!fut.cancel(true)) {
U.sleep(200);
if (!fut.cancel(true)) {
BenchmarkUtils.println(cfg, "Failed to cancel Preload logger.");
return;
}
}
}
printCachesStatistics();
}
catch (Exception e) {
BenchmarkUtils.error("Failed to stop Preload logger.", e);
}
BenchmarkUtils.println(cfg, "Preload logger was stopped.");
}
}