| /* |
| * 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.drill.exec.store.sys; |
| |
| import java.sql.Timestamp; |
| import java.util.Iterator; |
| import java.util.Map.Entry; |
| |
| import javax.annotation.Nullable; |
| |
| import org.apache.drill.exec.ops.ExecutorFragmentContext; |
| import org.apache.drill.exec.proto.UserBitShared; |
| import org.apache.drill.exec.proto.UserBitShared.QueryProfile; |
| import org.apache.drill.exec.store.pojo.NonNullable; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.Iterators; |
| |
| /** |
| * System table listing completed profiles |
| */ |
| public class ProfileInfoIterator extends ProfileIterator { |
| static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(ProfileInfoIterator.class); |
| |
| private final Iterator<ProfileInfo> itr; |
| |
| public ProfileInfoIterator(ExecutorFragmentContext context, int maxRecords) { |
| super(context, maxRecords); |
| this.itr = iterateProfileInfo(); |
| } |
| |
| @Override |
| protected Iterator<Entry<String, QueryProfile>> getProfiles(int skip, int take) { |
| return profileStoreContext |
| .getCompletedProfileStore() |
| .getRange(skip, take); |
| } |
| |
| //Returns an iterator for authorized profiles |
| private Iterator<ProfileInfo> iterateProfileInfo() { |
| try { |
| //Transform authorized profiles to iterator for ProfileInfo |
| return transform(getAuthorizedProfiles(queryingUsername, isAdmin)); |
| } catch (Exception e) { |
| logger.error(e.getMessage(), e); |
| return Iterators.singletonIterator(ProfileInfo.getDefault()); |
| } |
| } |
| |
| /** |
| * Iterating persistentStore as a iterator of {@link org.apache.drill.exec.store.sys.ProfileInfoIterator.ProfileInfo}. |
| */ |
| private Iterator<ProfileInfo> transform(Iterator<Entry<String, UserBitShared.QueryProfile>> all) { |
| return Iterators.transform(all, new Function<Entry<String, UserBitShared.QueryProfile>, ProfileInfo>() { |
| @Nullable |
| @Override |
| public ProfileInfo apply(@Nullable Entry<String, UserBitShared.QueryProfile> input) { |
| if (input == null || input.getValue() == null) { |
| return ProfileInfo.getDefault(); |
| } |
| |
| //Constructing ProfileInfo |
| final String queryID = input.getKey(); |
| final QueryProfile profile = input.getValue(); |
| //For cases where query was never queued |
| final long assumedQueueEndTime = profile.getQueueWaitEnd()> 0 ? profile.getQueueWaitEnd() : profile.getPlanEnd(); |
| return new ProfileInfo( |
| queryID, |
| new Timestamp(profile.getStart()), |
| profile.getForeman().getAddress(), |
| profile.getTotalFragments(), |
| profile.getUser(), |
| profile.getQueueName(), |
| computeDuration(profile.getStart(), profile.getPlanEnd()), |
| computeDuration(profile.getPlanEnd(), assumedQueueEndTime), |
| computeDuration(assumedQueueEndTime, profile.getEnd()), |
| profile.getState().name(), |
| profile.getScannedPluginsCount(), |
| profile.getScannedPluginsList().toString(), |
| profile.getQuery() |
| ); |
| } |
| }); |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return itr.hasNext(); |
| } |
| |
| @Override |
| public Object next() { |
| return itr.next(); |
| } |
| |
| @Override |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public static class ProfileInfo { |
| private static final String UNKNOWN_VALUE = "N/A"; |
| |
| private static final ProfileInfo DEFAULT = new ProfileInfo(); |
| |
| @NonNullable |
| public final String queryId; |
| public final Timestamp startTime; |
| @NonNullable |
| public final String foreman; |
| public final long fragments; |
| public final String user; |
| public final String queue; |
| public final long planTime; |
| public final long queueTime; |
| public final long executeTime; |
| public final long totalTime; |
| public final String state; |
| public final long pluginCount; |
| public final String pluginList; |
| public final String query; |
| |
| public ProfileInfo(String query_id, Timestamp time, String foreman, long fragmentCount, String username, |
| String queueName, long planDuration, long queueWaitDuration, long executeDuration, |
| String state, long pluginCount, String pluginList, String query) { |
| this.queryId = query_id; |
| this.startTime = time; |
| this.foreman = foreman; |
| this.fragments = fragmentCount; |
| this.user = username; |
| this.queue = queueName; |
| this.planTime = planDuration; |
| this.queueTime = queueWaitDuration; |
| this.executeTime = executeDuration; |
| this.totalTime = this.planTime + this.queueTime + this.executeTime; |
| this.query = query; |
| this.pluginCount = pluginCount; |
| this.pluginList = pluginList; |
| this.state = state; |
| } |
| |
| private ProfileInfo() { |
| this(UNKNOWN_VALUE, new Timestamp(0), UNKNOWN_VALUE, 0L, |
| UNKNOWN_VALUE, UNKNOWN_VALUE, 0L, 0L, |
| 0L, UNKNOWN_VALUE, 0L, UNKNOWN_VALUE, UNKNOWN_VALUE); |
| } |
| |
| /** |
| * If unable to get ProfileInfo, use this default instance instead. |
| * @return the default instance |
| */ |
| public static ProfileInfo getDefault() { |
| return DEFAULT; |
| } |
| } |
| } |
| |
| |