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Merge branch 'master' into hiredis-merge
This commit is contained in:
Pieter Noordhuis
305
multi_bench.js
305
multi_bench.js
@@ -1,218 +1,123 @@
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/*global require console setTimeout process */
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var redis = require("./index"),
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request = require("request"),
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stats_url = "mjr.couchone.com/bench",
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client_count = process.argv[2] || 50,
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ops_count = 20000,
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clients = new Array(client_count),
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i, tests = {}, results = {}, test_list;
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num_clients = parseInt(process.argv[2]) || 50,
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active_clients = 0,
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clients = new Array(num_clients),
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num_requests = 20000,
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issued_requests = 0,
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latency = new Array(num_requests),
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tests = [],
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test_start;
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redis.debug_mode = false;
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function init_test(name) {
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results[name] = {
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test_start: new Date(),
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starts: new Array(client_count),
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ends: new Array(client_count),
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completed: 0
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};
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}
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tests.push({
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descr: "PING",
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command: ["ping"]
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});
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function test_complete(name) {
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var min, max, sum, avg, res, i, sample, total_time, op_rate, buckets = {}, max_bucket;
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tests.push({
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descr: "SET",
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command: ["set", "foo_rand000000000000", "bar"]
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});
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results[name].test_end = new Date();
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tests.push({
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descr: "GET",
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command: ["get", "foo_rand000000000000"]
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});
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total_time = results[name].test_end - results[name].test_start;
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tests.push({
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descr: "INCR",
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command: ["incr", "counter_rand000000000000"]
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});
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res = results[name];
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tests.push({
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descr: "LPUSH",
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command: ["lpush", "mylist", Array(8).join("-")]
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});
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max_bucket = Number.MIN_VALUE;
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min = Number.MAX_VALUE;
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max = Number.MIN_VALUE;
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sum = 0;
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tests.push({
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descr: "LRANGE (10 elements)",
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command: ["lrange", "mylist", "0", "9"]
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});
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for (i = 0, len = results[name].ends.length; i < len; i += 1) {
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sample = results[name].ends[i] - results[name].starts[i];
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if (isNaN(sample)) {
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console.log("NaN: " + i + ", " + results[name].ends[i] + ", " + results[name].starts[i]);
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}
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sum += sample;
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if (sample < min) {
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min = sample;
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}
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if (sample > max) {
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max = sample;
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}
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if (buckets[sample] === undefined) {
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buckets[sample] = 0;
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}
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buckets[sample] += 1;
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if (buckets[sample] > max_bucket) {
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max_bucket = buckets[sample];
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}
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}
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tests.push({
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descr: "LRANGE (100 elements)",
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command: ["lrange", "mylist", "0", "99"]
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});
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avg = (sum / ops_count).toFixed(2);
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op_rate = ((i + 1) / (total_time/1000)).toFixed(2);
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function create_clients(callback) {
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if (active_clients == num_clients) {
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callback();
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} else {
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var client;
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var connected = active_clients;
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console.log(name + ": " + i + " ops " + op_rate + " ops/sec " + min + "/" + max + "/" + avg);
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function lpad(val) {
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var ret = val.toString();
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while (ret.length < max_bucket.toString().length) {
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ret = " " + ret;
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}
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return ret;
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}
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// Object.keys(buckets).forEach(function (bucket) {
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// var bar = "", i, max_width = 100, cur_val = buckets[bucket];
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//
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// i = Math.round((cur_val / max_bucket) * max_width);
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//
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// while (i >= 0) {
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// bar += "*";
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// i--;
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// }
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// console.log(lpad(bucket) + ": " + bar);
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// });
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run_next();
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}
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function get_result(name, index) {
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results[name].starts[index] = new Date();
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return function (err, reply) {
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results[name].ends[index] = new Date();
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results[name].completed += 1;
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if (results[name].completed === ops_count) {
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test_complete(name);
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}
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}
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}
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function spread_command(name, command, args) {
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var remaining = ops_count - 1,
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current = 0;
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while (remaining >= 0) {
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clients[current][command](args, get_result(name, remaining));
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current += 1;
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if (current >= client_count) {
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current = 0;
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}
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remaining -= 1;
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}
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}
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tests.connections = function () {
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var name = "connections";
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function handle_connection (num) {
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return function () {
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results[name].ends[num] = new Date();
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results[name].completed += 1;
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start_connection(num + 1);
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}
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}
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function start_connection (num) {
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results[name].starts[num] = new Date();
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clients[num] = redis.createClient();
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if (num < (client_count - 1)) {
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clients[num].on("connect", handle_connection(num));
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} else {
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clients[num].on("connect", function () {
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results[name].ends[num] = new Date();
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results[name].completed += 1;
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test_complete(name);
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while (active_clients < num_clients) {
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client = clients[active_clients++] = redis.createClient();
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client.on("connect", function() {
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/* Fire callback when all clients are connected */
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if (++connected == num_clients)
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callback();
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});
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client.on("error", function (msg) {
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console.log("Connect problem:" + msg.stack);
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});
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}
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clients[num].on("error", function (msg) {
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console.log("Connect problem:" + msg.stack);
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});
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}
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console.log("Starting " + client_count + " connections.");
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init_test(name);
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start_connection(0);
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};
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tests.ping = function () {
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var name = "PING (mb)";
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init_test(name);
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spread_command(name, "ping", []);
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};
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tests.set = function () {
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var name = "SET";
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init_test(name);
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spread_command(name, "set", ["foo_rand000000000000", ops_count]);
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};
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tests.get = function () {
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var name = "GET";
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init_test(name);
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spread_command(name, "get", ["foo_rand000000000000"]);
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};
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tests.incr = function () {
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var name = "incr";
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init_test(name);
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spread_command(name, "incr", ["counter_rand000000000000"]);
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};
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tests.lpush = function () {
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var name = "lpush";
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init_test(name);
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spread_command(name, "lpush", ["mylist", "bar"]);
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};
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tests.lpop = function () {
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var name = "lpop";
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init_test(name);
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spread_command(name, "lpop", ["mylist"]);
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};
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tests.sadd = function () {
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var name = "sadd";
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init_test(name);
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spread_command(name, "sadd", ["myset", "counter_rand000000000000"]);
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};
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// need to randomize the counter
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// tests.spop = function () {
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// var name = "lpop";
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//
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// init_test(name);
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// spread_command(name, "lpop", ["mylist"]);
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// };
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test_list = Object.keys(tests);
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function run_next() {
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var cur_test = test_list.shift();
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if (typeof tests[cur_test] === "function") {
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tests[cur_test]();
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} else {
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console.log("End of tests.");
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clients.forEach(function (client) {
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client.quit();
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});
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}
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}
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function issue_request(client, test, cmd, args) {
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var i = issued_requests++;
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latency[i] = new Date;
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client[cmd](args, function() {
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latency[i] = (new Date) - latency[i];
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if (issued_requests < num_requests) {
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issue_request(client, test, cmd, args);
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} else {
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client.end();
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if (--active_clients == 0)
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test_complete(test);
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}
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});
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}
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function test_run(test) {
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create_clients(function() {
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var i = num_clients;
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var cmd = test.command[0];
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var args = test.command.slice(1);
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test_start = new Date;
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issued_requests = 0;
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while(i-- && issued_requests < num_requests) {
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issue_request(clients[i], test, cmd, args);
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}
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});
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}
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function test_complete(test) {
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var min, max, sum, avg;
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var total_time = (new Date) - test_start;
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var op_rate = (issued_requests / (total_time / 1000.0)).toFixed(2);
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var i;
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latency.sort();
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min = latency[0];
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max = latency[issued_requests-1];
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for (sum = 0, i = 0; i < issued_requests; i++)
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sum += latency[i];
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avg = (sum / issued_requests).toFixed(3);
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console.log(test.descr + ": " + issued_requests + " ops " + op_rate + " ops/sec " + min + "/" + max + "/" + avg);
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next();
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}
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function next() {
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var test = tests.shift();
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if (test) test_run(test);
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}
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next();
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run_next();
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8
test.js
8
test.js
@@ -68,6 +68,10 @@ function require_error(label) {
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};
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}
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function is_empty_array(obj) {
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return Array.isArray(obj) && obj.length === 0;
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}
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function last(name, fn) {
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return function (err, results) {
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fn(err, results);
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@@ -154,7 +158,7 @@ tests.MULTI_3 = function () {
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])
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.scard("some set")
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.exec(function (err, replies) {
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assert.deepEqual(replies[2][0], [], name);
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assert.strictEqual(true, is_empty_array(replies[2][0]), name);
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next(name);
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});
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};
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@@ -360,7 +364,7 @@ tests.MULTIBULK_ZERO_LENGTH = function () {
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var name = "MULTIBULK_ZERO_LENGTH";
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client.KEYS(['users:*'], function (err, results) {
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assert.strictEqual(null, err, 'error on empty multibulk reply');
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assert.deepEqual([], results);
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assert.strictEqual(true, is_empty_array(results), "not an empty array");
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next(name);
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});
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};
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