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/**
* Tests that a resumable index build clears "_tmp" directory except for files for the build on
* startup recovery.
*
* @tags: [
* requires_majority_read_concern,
* requires_persistence,
* requires_replication,
* ]
*/
(function() {
"use strict";
load("jstests/noPassthrough/libs/index_build.js");
const dbName = "test";
const numDocuments = 100;
const maxIndexBuildMemoryUsageMB = 50;
const rst = new ReplSetTest({
nodes: 1,
nodeOptions: {setParameter: {maxIndexBuildMemoryUsageMegabytes: maxIndexBuildMemoryUsageMB}}
});
rst.startSet();
rst.initiate();
// Insert enough data so that the collection scan spills to disk.
const primary = rst.getPrimary();
const coll = primary.getDB(dbName).getCollection(jsTestName());
const bulk = coll.initializeUnorderedBulkOp();
for (let i = 0; i < numDocuments; i++) {
// Each document is at least 1 MB.
bulk.insert({a: i.toString().repeat(1024 * 1024)});
}
assert.commandWorked(bulk.execute());
// Manually writes a garbage file to "_tmp" directory.
const tmpDir = primary.dbpath + "/_tmp/";
mkdir(tmpDir);
writeFile(tmpDir + "garbage", "");
// Runs a resumable index build till completed to make sure the spilled files in "_tmp" directory
// are not deleted with the garbage file.
ResumableIndexBuildTest.run(
rst,
dbName,
coll.getName(),
[[{a: 1}]],
[{name: "hangIndexBuildDuringCollectionScanPhaseBeforeInsertion", logIdWithBuildUUID: 20386}],
// Each document is at least 1 MB, so the index build must have spilled to disk by this point.
maxIndexBuildMemoryUsageMB,
["collection scan"],
[{numScannedAfterResume: numDocuments - maxIndexBuildMemoryUsageMB}]);
// Asserts the garbage file is deleted.
const files = listFiles(tmpDir);
assert.eq(files.length, 0, files);
rst.stopSet();
})();
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