82 lines
3.0 KiB
JavaScript
82 lines
3.0 KiB
JavaScript
/**
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* Test that DocumentSourceSetWindowFields errors when using more than the perscribed amount of
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* data. Memory checks are per node, so only test when the data is all in one place.
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*/
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(function() {
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"use strict";
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load("jstests/libs/fixture_helpers.js"); // For FixtureHelpers.isMongos.
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load("jstests/noPassthrough/libs/server_parameter_helpers.js"); // For setParameterOnAllHosts.
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load("jstests/libs/discover_topology.js"); // For findNonConfigNodes.
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const coll = db[jsTestName()];
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coll.drop();
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// Test that we can set the memory limit.
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const nonConfigNodes = DiscoverTopology.findNonConfigNodes(db.getMongo());
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setParameterOnAllHosts(nonConfigNodes, "internalDocumentSourceSetWindowFieldsMaxMemoryBytes", 1200);
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// Create a collection with enough documents in a single partition to go over the memory limit.
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const docsPerPartition = 10;
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for (let i = 0; i < docsPerPartition; i++) {
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assert.commandWorked(coll.insert({_id: i, partitionKey: 1, largeStr: Array(1025).toString()}));
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}
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assert.commandFailedWithCode(coll.runCommand({
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aggregate: coll.getName(),
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pipeline: [{$setWindowFields: {sortBy: {partitionKey: 1}, output: {val: {$sum: "$_id"}}}}],
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cursor: {},
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allowDiskUse: false
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}),
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5643011);
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// The same query passes with a higher memory limit. Note that the amount of memory consumed by the
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// stage is roughly double the size of the documents since each document has an internal cache.
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const perDocSize = 1200;
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setParameterOnAllHosts(nonConfigNodes,
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"internalDocumentSourceSetWindowFieldsMaxMemoryBytes",
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(perDocSize * docsPerPartition * 3) + 1024);
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assert.commandWorked(coll.runCommand({
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aggregate: coll.getName(),
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pipeline: [{$setWindowFields: {sortBy: {partitionKey: 1}, output: {val: {$sum: "$largeStr"}}}}],
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cursor: {},
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allowDiskUse: false
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}));
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// The query passes with multiple partitions of the same size.
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for (let i = docsPerPartition; i < docsPerPartition * 2; i++) {
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assert.commandWorked(coll.insert({_id: i, partitionKey: 2, largeStr: Array(1025).toString()}));
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}
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assert.commandWorked(coll.runCommand({
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aggregate: coll.getName(),
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pipeline: [{
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$setWindowFields: {
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sortBy: {partitionKey: 1},
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partitionBy: "$partitionKey",
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output: {val: {$sum: "$largeStr"}}
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}
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}],
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cursor: {},
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allowDiskUse: false
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}));
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// Test that the query fails with a window function that stores documents.
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assert.commandFailedWithCode(coll.runCommand({
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aggregate: coll.getName(),
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pipeline: [{
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$setWindowFields: {
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sortBy: {partitionKey: 1},
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partitionBy: "$partitionKey",
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output: {val: {$max: "$largeStr", window: {documents: [-9, 9]}}}
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}
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}],
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cursor: {},
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allowDiskUse: false
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}),
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5414201);
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// Reset limit for other tests.
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setParameterOnAllHosts(
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nonConfigNodes, "internalDocumentSourceSetWindowFieldsMaxMemoryBytes", 100 * 1024 * 1024);
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})();
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