com.spotify.folsom.LoadTestRunner.java Source code

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Here is the source code for com.spotify.folsom.LoadTestRunner.java

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/*
 * Copyright (c) 2014-2015 Spotify AB
 *
 * 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.spotify.folsom;

import com.google.common.base.Function;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.AsyncFunction;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.spotify.folsom.client.Utils;
import com.spotify.folsom.transcoder.StringTranscoder;

import java.util.List;

public class LoadTestRunner {

    public static void main(final String[] args) throws Throwable {
        final BinaryMemcacheClient<String> client = new MemcacheClientBuilder<>(StringTranscoder.UTF8_INSTANCE)
                .withAddress("127.0.0.1").withMaxOutstandingRequests(100000).connectBinary();

        final String[] keys = new String[10];
        for (int i = 0; i < 10; i++) {
            keys[i] = "key" + i;
        }

        final List<ListenableFuture<Boolean>> futures = Lists.newArrayList();
        for (int r = 0; r < 100; r++) {
            for (final String keyProto : keys) {
                final String key = keyProto + ":" + r;

                final ListenableFuture<MemcacheStatus> setFuture = client.set(key, "value" + key, 100000);
                final ListenableFuture<String> getFuture = Utils.transform(setFuture,
                        new AsyncFunction<MemcacheStatus, String>() {
                            @Override
                            public ListenableFuture<String> apply(final MemcacheStatus input) throws Exception {
                                return client.get(key);
                            }
                        });
                final ListenableFuture<String> deleteFuture = Utils.transform(getFuture,
                        new AsyncFunction<String, String>() {
                            @Override
                            public ListenableFuture<String> apply(final String value) throws Exception {
                                return Utils.transform(client.delete(key), new Function<MemcacheStatus, String>() {
                                    @Override
                                    public String apply(final MemcacheStatus input) {
                                        return value;
                                    }
                                });
                            }
                        });

                final ListenableFuture<Boolean> assertFuture = Utils.transform(deleteFuture,
                        new Function<String, Boolean>() {
                            @Override
                            public Boolean apply(final String input) {
                                return ("value" + key).equals(input);
                            }
                        });

                futures.add(assertFuture);
            }
        }

        final List<Boolean> asserts = Futures.allAsList(futures).get();

        int failed = 0;
        for (final boolean b : asserts) {
            if (!b) {
                failed++;
            }
        }
        System.out.println(failed + " failed of " + asserts.size());

        client.shutdown();
    }
}