59 lines
2.0 KiB
JavaScript
59 lines
2.0 KiB
JavaScript
/**
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* Tests that query stats key hashes are consistent across versions.
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*/
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import "jstests/multiVersion/libs/multi_rs.js";
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import {
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getQueryStatsFindCmd,
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getQueryStatsKeyHashes,
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getQueryStatsServerParameters,
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} from "jstests/libs/query/query_stats_utils.js";
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import {ReplSetTest} from "jstests/libs/replsettest.js";
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const rst = new ReplSetTest({
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nodes: {n1: {binVersion: "last-lts"}, n2: {binVersion: "last-lts"}, n3: {binVersion: "last-lts"}},
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});
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// Turn on the collecting of query stats metrics.
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rst.startSet(getQueryStatsServerParameters());
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rst.initiate(null, null, {initiateWithDefaultElectionTimeout: true});
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let conn = rst.getPrimary();
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const collName = jsTestName();
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let coll = conn.getDB("test")[collName];
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coll.drop();
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coll.insert({x: 5});
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// Run a few unique queries so that they generate different query stats entries.
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function runQueries() {
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coll.find({x: 5}).toArray();
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coll.find({y: 5}).toArray();
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coll.find({y: 5}).sort({x: -1}).toArray();
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coll.find({y: 5}).maxTimeMS(123).toArray();
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}
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// First, collect and save query stats entries on the older version.
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runQueries();
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const preUpgradeEntries = getQueryStatsFindCmd(conn, {collName, transformIdentifiers: false});
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assert.eq(preUpgradeEntries.length, 4, tojson(preUpgradeEntries));
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const preUpgradeKeyHashes = getQueryStatsKeyHashes(preUpgradeEntries);
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// Upgrade to the latest.
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rst.upgradeSet({binVersion: "latest"});
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conn = rst.getPrimary();
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coll = conn.getDB("test")[collName];
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// Run the same queries again and check that we got the same query stats key hash values as we did
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// on the old version.
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runQueries();
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const postUpgradeEntries = getQueryStatsFindCmd(conn, {collName, transformIdentifiers: false});
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assert.eq(postUpgradeEntries.length, 4, tojson(postUpgradeEntries));
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const postUpgradeKeyHashes = getQueryStatsKeyHashes(postUpgradeEntries);
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assert.sameMembers(
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postUpgradeKeyHashes,
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preUpgradeKeyHashes,
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`preUpgradeEntries = ${tojson(preUpgradeEntries)}, postUpgradeEntries = ${tojson(postUpgradeEntries)}`,
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);
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rst.stopSet();
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