mirror of https://github.com/mongodb/mongo
24 lines
886 B
JavaScript
24 lines
886 B
JavaScript
// This tests that we can successfully profile queries on secondaries.
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import {ReplSetTest} from "jstests/libs/replsettest.js";
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let rst = new ReplSetTest({nodes: 2});
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rst.startSet();
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rst.initiate();
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rst.awaitReplication();
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let secondaryDB = rst.getSecondary().getDB("test");
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jsTestLog("Enable profiling on the secondary");
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assert.commandWorked(secondaryDB.runCommand({profile: 2}));
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jsTestLog("Perform a query that returns no results, but will get profiled.");
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secondaryDB.doesntexist.find({}).itcount();
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let numProfileEntries = (coll) =>
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coll.getDB().system.profile.find({op: "query", ns: coll.getFullName(), nreturned: 0}).itcount();
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jsTestLog("Check the query is in the profile and turn profiling off.");
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assert.eq(numProfileEntries(secondaryDB.doesntexist), 1, "expected a single profile entry");
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assert.commandWorked(secondaryDB.runCommand({profile: 0}));
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rst.stopSet();
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