/*
* 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.internal.visor.query;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.ignite.IgniteException;
import org.apache.ignite.cache.query.QueryDetailMetrics;
import org.apache.ignite.compute.ComputeJobResult;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.internal.processors.cache.GridCacheProcessor;
import org.apache.ignite.internal.processors.cache.IgniteInternalCache;
import org.apache.ignite.internal.processors.cache.query.GridCacheQueryDetailMetricsAdapter;
import org.apache.ignite.internal.processors.cache.query.GridCacheQueryDetailMetricsKey;
import org.apache.ignite.internal.processors.task.GridInternal;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.internal.visor.VisorJob;
import org.apache.ignite.internal.visor.VisorMultiNodeTask;
import org.jetbrains.annotations.Nullable;
import static org.apache.ignite.internal.processors.cache.GridCacheUtils.isIgfsCache;
import static org.apache.ignite.internal.processors.cache.GridCacheUtils.isSystemCache;
/**
* Task to collect cache query metrics.
*/
@GridInternal
public class VisorQueryDetailMetricsCollectorTask extends VisorMultiNodeTask<VisorQueryDetailMetricsCollectorTaskArg,
Collection<VisorQueryDetailMetrics>, Collection<? extends QueryDetailMetrics>> {
/** */
private static final long serialVersionUID = 0L;
/** {@inheritDoc} */
@Override protected VisorCacheQueryDetailMetricsCollectorJob job(VisorQueryDetailMetricsCollectorTaskArg arg) {
return new VisorCacheQueryDetailMetricsCollectorJob(arg, debug);
}
/** {@inheritDoc} */
@Nullable @Override protected Collection<VisorQueryDetailMetrics> reduce0(List<ComputeJobResult> results)
throws IgniteException {
Map<GridCacheQueryDetailMetricsKey, GridCacheQueryDetailMetricsAdapter> taskRes = new HashMap<>();
for (ComputeJobResult res : results) {
if (res.getException() != null)
throw res.getException();
Collection<GridCacheQueryDetailMetricsAdapter> metrics = res.getData();
VisorCacheQueryDetailMetricsCollectorJob.aggregateMetrics(-1, taskRes, metrics);
}
Collection<GridCacheQueryDetailMetricsAdapter> aggMetrics = taskRes.values();
Collection<VisorQueryDetailMetrics> res = new ArrayList<>(aggMetrics.size());
for (GridCacheQueryDetailMetricsAdapter m: aggMetrics)
res.add(new VisorQueryDetailMetrics(m));
return res;
}
/**
* Job that will actually collect query metrics.
*/
private static class VisorCacheQueryDetailMetricsCollectorJob
extends VisorJob<VisorQueryDetailMetricsCollectorTaskArg, Collection<? extends QueryDetailMetrics>> {
/** */
private static final long serialVersionUID = 0L;
/**
* Create job with specified argument.
*
* @param arg Last time when metrics were collected.
* @param debug Debug flag.
*/
protected VisorCacheQueryDetailMetricsCollectorJob(@Nullable VisorQueryDetailMetricsCollectorTaskArg arg, boolean debug) {
super(arg, debug);
}
/**
* @param since Time when metrics were collected last time.
* @param res Response.
* @param metrics Metrics.
*/
private static void aggregateMetrics(long since, Map<GridCacheQueryDetailMetricsKey,
GridCacheQueryDetailMetricsAdapter> res, Collection<GridCacheQueryDetailMetricsAdapter> metrics) {
for (GridCacheQueryDetailMetricsAdapter m : metrics) {
if (m.lastStartTime() > since) {
GridCacheQueryDetailMetricsKey key = m.key();
GridCacheQueryDetailMetricsAdapter aggMetrics = res.get(key);
res.put(key, aggMetrics == null ? m : aggMetrics.aggregate(m));
}
}
}
/** {@inheritDoc} */
@Override protected Collection<? extends QueryDetailMetrics> run(
@Nullable VisorQueryDetailMetricsCollectorTaskArg arg
) throws IgniteException {
assert arg != null;
IgniteConfiguration cfg = ignite.configuration();
GridCacheProcessor cacheProc = ignite.context().cache();
Collection<String> cacheNames = cacheProc.cacheNames();
Map<GridCacheQueryDetailMetricsKey, GridCacheQueryDetailMetricsAdapter> aggMetrics = new HashMap<>();
for (String cacheName : cacheNames) {
if (!isSystemCache(cacheName) && !isIgfsCache(cfg, cacheName)) {
IgniteInternalCache<Object, Object> cache = cacheProc.cache(cacheName);
if (cache == null || !cache.context().started())
continue;
aggregateMetrics(arg.getSince(), aggMetrics, cache.context().queries().detailMetrics());
}
}
return new ArrayList<>(aggMetrics.values());
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(VisorCacheQueryDetailMetricsCollectorJob.class, this);
}
}
}