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00ea99960a
This allows handling of N asynchronous deletion requests simultaneously instead of just 1. An accumulation pull queue is used for deletion requests, and the async deletion [] is now fired off whenever that pull queue isn't empty, and processes many tasks at once. This doesn't particularly take more time, because the bulk of the cost of the async delete operation is simply iterating over all DomainBases (which has to happen regardless of how many contacts and hosts are being deleted). ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=133169336
64 lines
2.7 KiB
Java
64 lines
2.7 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.flows.async;
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import static google.registry.request.Actions.getPathForAction;
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import com.google.appengine.api.taskqueue.Queue;
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import com.google.appengine.api.taskqueue.QueueFactory;
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import com.google.appengine.api.taskqueue.RetryOptions;
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import com.google.appengine.api.taskqueue.TaskHandle;
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import com.google.appengine.api.taskqueue.TaskOptions;
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import com.google.appengine.api.taskqueue.TaskOptions.Method;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.collect.ImmutableMap;
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import google.registry.config.RegistryEnvironment;
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import google.registry.util.FormattingLogger;
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import java.util.Map.Entry;
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import org.joda.time.Duration;
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/** Utility methods specific to async flows. */
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// TODO(b/26140521): Delete this class once non-batched async operations are deleted.
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public final class AsyncFlowUtils {
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private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
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@VisibleForTesting
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public static final String ASYNC_FLOW_QUEUE_NAME = "flows-async"; // See queue.xml.
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private AsyncFlowUtils() {}
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/** Enqueues a mapreduce action to perform an async flow operation. */
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public static TaskHandle enqueueMapreduceAction(
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Class<? extends Runnable> action,
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ImmutableMap<String, String> params,
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Duration executionDelay) {
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Queue queue = QueueFactory.getQueue(ASYNC_FLOW_QUEUE_NAME);
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String path = getPathForAction(action);
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logger.infofmt("Enqueueing async mapreduce action with path %s and params %s", path, params);
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// Aggressively back off if the task fails, to minimize flooding the logs.
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RetryOptions retryOptions = RetryOptions.Builder.withMinBackoffSeconds(
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RegistryEnvironment.get().config().getAsyncFlowFailureBackoff().getStandardSeconds());
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TaskOptions options = TaskOptions.Builder
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.withUrl(path)
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.retryOptions(retryOptions)
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.countdownMillis(executionDelay.getMillis())
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.method(Method.GET);
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for (Entry<String, String> entry : params.entrySet()) {
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options.param(entry.getKey(), entry.getValue());
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}
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return queue.add(options);
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}
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}
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