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multi_bench.js
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multi_bench.js
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var redis = require("./index"),
metrics = require("metrics"),
num_clients = parseInt(process.argv[2], 10) || 5,
num_requests = 20000,
tests = [],
versions_logged = false,
client_options = {
return_buffers: false
},
small_str, large_str, small_buf, large_buf;
redis.debug_mode = false;
function lpad(input, len, chr) {
var str = input.toString();
chr = chr || " ";
while (str.length < len) {
str = chr + str;
}
return str;
}
metrics.Histogram.prototype.print_line = function () {
var obj = this.printObj();
return lpad(obj.min, 4) + "/" + lpad(obj.max, 4) + "/" + lpad(obj.mean.toFixed(2), 7) + "/" + lpad(obj.p95.toFixed(2), 7);
};
function Test(args) {
this.args = args;
this.callback = null;
this.clients = [];
this.clients_ready = 0;
this.commands_sent = 0;
this.commands_completed = 0;
this.max_pipeline = this.args.pipeline || num_requests;
this.client_options = args.client_options || client_options;
this.connect_latency = new metrics.Histogram();
this.ready_latency = new metrics.Histogram();
this.command_latency = new metrics.Histogram();
}
Test.prototype.run = function (callback) {
var i;
this.callback = callback;
for (i = 0; i < num_clients ; i++) {
this.new_client(i);
}
};
Test.prototype.new_client = function (id) {
var self = this, new_client;
new_client = redis.createClient(6379, "127.0.0.1", this.client_options);
new_client.create_time = Date.now();
new_client.on("connect", function () {
self.connect_latency.update(Date.now() - new_client.create_time);
});
new_client.on("ready", function () {
if (! versions_logged) {
console.log("Client count: " + num_clients + ", node version: " + process.versions.node + ", server version: " +
new_client.server_info.redis_version + ", parser: " + new_client.reply_parser.name);
versions_logged = true;
}
self.ready_latency.update(Date.now() - new_client.create_time);
self.clients_ready++;
if (self.clients_ready === self.clients.length) {
self.on_clients_ready();
}
});
self.clients[id] = new_client;
};
Test.prototype.on_clients_ready = function () {
process.stdout.write(lpad(this.args.descr, 13) + ", " + lpad(this.args.pipeline, 5) + "/" + this.clients_ready + " ");
this.test_start = Date.now();
this.fill_pipeline();
};
Test.prototype.fill_pipeline = function () {
var pipeline = this.commands_sent - this.commands_completed;
while (this.commands_sent < num_requests && pipeline < this.max_pipeline) {
this.commands_sent++;
pipeline++;
this.send_next();
}
if (this.commands_completed === num_requests) {
this.print_stats();
this.stop_clients();
}
};
Test.prototype.stop_clients = function () {
var self = this;
this.clients.forEach(function (client, pos) {
if (pos === self.clients.length - 1) {
client.quit(function (err, res) {
self.callback();
});
} else {
client.quit();
}
});
};
Test.prototype.send_next = function () {
var self = this,
cur_client = this.commands_sent % this.clients.length,
start = Date.now();
this.clients[cur_client][this.args.command](this.args.args, function (err, res) {
if (err) {
throw err;
}
self.commands_completed++;
self.command_latency.update(Date.now() - start);
self.fill_pipeline();
});
};
Test.prototype.print_stats = function () {
var duration = Date.now() - this.test_start;
console.log("min/max/avg/p95: " + this.command_latency.print_line() + " " + lpad(duration, 6) + "ms total, " +
lpad((num_requests / (duration / 1000)).toFixed(2), 8) + " ops/sec");
};
small_str = "1234";
small_buf = new Buffer(small_str);
large_str = (new Array(4097).join("-"));
large_buf = new Buffer(large_str);
tests.push(new Test({descr: "PING", command: "ping", args: [], pipeline: 1}));
tests.push(new Test({descr: "PING", command: "ping", args: [], pipeline: 50}));
tests.push(new Test({descr: "PING", command: "ping", args: [], pipeline: 200}));
tests.push(new Test({descr: "PING", command: "ping", args: [], pipeline: 20000}));
tests.push(new Test({descr: "SET small str", command: "set", args: ["foo_rand000000000000", small_str], pipeline: 1}));
tests.push(new Test({descr: "SET small str", command: "set", args: ["foo_rand000000000000", small_str], pipeline: 50}));
tests.push(new Test({descr: "SET small str", command: "set", args: ["foo_rand000000000000", small_str], pipeline: 200}));
tests.push(new Test({descr: "SET small str", command: "set", args: ["foo_rand000000000000", small_str], pipeline: 20000}));
tests.push(new Test({descr: "SET small buf", command: "set", args: ["foo_rand000000000000", small_buf], pipeline: 1}));
tests.push(new Test({descr: "SET small buf", command: "set", args: ["foo_rand000000000000", small_buf], pipeline: 50}));
tests.push(new Test({descr: "SET small buf", command: "set", args: ["foo_rand000000000000", small_buf], pipeline: 200}));
tests.push(new Test({descr: "SET small buf", command: "set", args: ["foo_rand000000000000", small_buf], pipeline: 20000}));
tests.push(new Test({descr: "GET small str", command: "get", args: ["foo_rand000000000000"], pipeline: 1}));
tests.push(new Test({descr: "GET small str", command: "get", args: ["foo_rand000000000000"], pipeline: 50}));
tests.push(new Test({descr: "GET small str", command: "get", args: ["foo_rand000000000000"], pipeline: 200}));
tests.push(new Test({descr: "GET small str", command: "get", args: ["foo_rand000000000000"], pipeline: 20000}));
tests.push(new Test({descr: "GET small buf", command: "get", args: ["foo_rand000000000000"], pipeline: 1, client_opts: { return_buffers: true} }));
tests.push(new Test({descr: "GET small buf", command: "get", args: ["foo_rand000000000000"], pipeline: 50, client_opts: { return_buffers: true} }));
tests.push(new Test({descr: "GET small buf", command: "get", args: ["foo_rand000000000000"], pipeline: 200, client_opts: { return_buffers: true} }));
tests.push(new Test({descr: "GET small buf", command: "get", args: ["foo_rand000000000000"], pipeline: 20000, client_opts: { return_buffers: true} }));
tests.push(new Test({descr: "SET large str", command: "set", args: ["foo_rand000000000001", large_str], pipeline: 1}));
tests.push(new Test({descr: "SET large str", command: "set", args: ["foo_rand000000000001", large_str], pipeline: 50}));
tests.push(new Test({descr: "SET large str", command: "set", args: ["foo_rand000000000001", large_str], pipeline: 200}));
tests.push(new Test({descr: "SET large str", command: "set", args: ["foo_rand000000000001", large_str], pipeline: 20000}));
tests.push(new Test({descr: "SET large buf", command: "set", args: ["foo_rand000000000001", large_buf], pipeline: 1}));
tests.push(new Test({descr: "SET large buf", command: "set", args: ["foo_rand000000000001", large_buf], pipeline: 50}));
tests.push(new Test({descr: "SET large buf", command: "set", args: ["foo_rand000000000001", large_buf], pipeline: 200}));
tests.push(new Test({descr: "SET large buf", command: "set", args: ["foo_rand000000000001", large_buf], pipeline: 20000}));
tests.push(new Test({descr: "GET large str", command: "get", args: ["foo_rand000000000001"], pipeline: 1}));
tests.push(new Test({descr: "GET large str", command: "get", args: ["foo_rand000000000001"], pipeline: 50}));
tests.push(new Test({descr: "GET large str", command: "get", args: ["foo_rand000000000001"], pipeline: 200}));
tests.push(new Test({descr: "GET large str", command: "get", args: ["foo_rand000000000001"], pipeline: 20000}));
tests.push(new Test({descr: "GET large buf", command: "get", args: ["foo_rand000000000001"], pipeline: 1, client_opts: { return_buffers: true} }));
tests.push(new Test({descr: "GET large buf", command: "get", args: ["foo_rand000000000001"], pipeline: 50, client_opts: { return_buffers: true} }));
tests.push(new Test({descr: "GET large buf", command: "get", args: ["foo_rand000000000001"], pipeline: 200, client_opts: { return_buffers: true} }));
tests.push(new Test({descr: "GET large buf", command: "get", args: ["foo_rand000000000001"], pipeline: 20000, client_opts: { return_buffers: true} }));
tests.push(new Test({descr: "INCR", command: "incr", args: ["counter_rand000000000000"], pipeline: 1}));
tests.push(new Test({descr: "INCR", command: "incr", args: ["counter_rand000000000000"], pipeline: 50}));
tests.push(new Test({descr: "INCR", command: "incr", args: ["counter_rand000000000000"], pipeline: 200}));
tests.push(new Test({descr: "INCR", command: "incr", args: ["counter_rand000000000000"], pipeline: 20000}));
tests.push(new Test({descr: "LPUSH", command: "lpush", args: ["mylist", small_str], pipeline: 1}));
tests.push(new Test({descr: "LPUSH", command: "lpush", args: ["mylist", small_str], pipeline: 50}));
tests.push(new Test({descr: "LPUSH", command: "lpush", args: ["mylist", small_str], pipeline: 200}));
tests.push(new Test({descr: "LPUSH", command: "lpush", args: ["mylist", small_str], pipeline: 20000}));
tests.push(new Test({descr: "LRANGE 10", command: "lrange", args: ["mylist", "0", "9"], pipeline: 1}));
tests.push(new Test({descr: "LRANGE 10", command: "lrange", args: ["mylist", "0", "9"], pipeline: 50}));
tests.push(new Test({descr: "LRANGE 10", command: "lrange", args: ["mylist", "0", "9"], pipeline: 200}));
tests.push(new Test({descr: "LRANGE 10", command: "lrange", args: ["mylist", "0", "9"], pipeline: 20000}));
tests.push(new Test({descr: "LRANGE 100", command: "lrange", args: ["mylist", "0", "99"], pipeline: 1}));
tests.push(new Test({descr: "LRANGE 100", command: "lrange", args: ["mylist", "0", "99"], pipeline: 50}));
tests.push(new Test({descr: "LRANGE 100", command: "lrange", args: ["mylist", "0", "99"], pipeline: 200}));
tests.push(new Test({descr: "LRANGE 100", command: "lrange", args: ["mylist", "0", "99"], pipeline: 20000}));
function next() {
var test = tests.shift();
if (test) {
test.run(function () {
next();
});
} else {
console.log("End of tests.");
process.exit(0);
}
}
next();