Details
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Bug
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Status: Closed
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Major - P3
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Resolution: Fixed
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5.0.0, 5.0.2, 6.1.0-rc0
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None
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Fully Compatible
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ALL
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v5.0
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QE 2022-05-16, QE 2022-05-30, QE 2022-06-13, QE 2022-06-27, QE 2022-07-11, QE 2022-07-25
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60
Description
UPDATE: There's a dedicated test in master branch group_tmp_file_cleanup.js, however, it starts to fail only with memoryLimitMb >= 15.
This seems to be a fairly general issue, because the following simple test reproduces the problem:
function repro() {
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db.c.drop()
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print("inserting")
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doc = {x: "x".repeat(1000)}
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many = Array(1000).fill(doc)
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for (var i = 0; i < 100; i++)
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db.c.insertMany(many)
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print("aggregating")
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r = db.c.aggregate([
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{
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$group: {
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"_id": "$_id",
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x: {$push: "$x"},
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}
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}
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], {
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allowDiskUse: true
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})
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}
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