/**
 * @tags: [
 *   uses_multiple_connections,
 *   uses_parallel_shell,
 *   # benchRun does not use runCommand which is required by the `simulate_atlas_proxy` override.
 *   simulate_atlas_proxy_incompatible,
 *   # TODO SERVER-84638: remove this incompatibility once benchrun passes on shell options.
 *   grpc_incompatible,
 * ]
 */
const t = db.bench_test2;
t.drop();

let docs = [];
for (let i = 0; i < 100; i++) {
    docs.push({_id: i, x: 0});
}
assert.commandWorked(t.insert(docs));

const benchArgs = {
    ops: [
        {
            ns: t.getFullName(),
            op: "update",
            query: {_id: {"#RAND_INT": [0, 100]}},
            update: {$inc: {x: 1}},
            writeCmd: true,
        },
    ],
    parallel: 2,
    seconds: 1,
    host: db.getMongo().host,
};

if (jsTest.options().auth) {
    benchArgs["db"] = "admin";
    benchArgs["username"] = jsTest.options().authUser;
    benchArgs["password"] = jsTest.options().authPassword;
}

const res = benchRun(benchArgs);
printjson(res);

let sumsq = 0;
let sum = 0;

let min = 1000;
let max = 0;
t.find().forEach(function (z) {
    sum += z.x;
    sumsq += Math.pow(res.update / 100 - z.x, 2);
    min = Math.min(z.x, min);
    max = Math.max(z.x, max);
});

const avg = sum / 100;
const std = Math.sqrt(sumsq / 100);

print("Avg: " + avg);
print("Std: " + std);
print("Min: " + min);
print("Max: " + max);