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/**
* Tests the behavior of TTL _id on time-series collections. Ensures that data is only expired when
* it is guaranteed to be past the maximum time range of a bucket.
*
* @tags: [
* assumes_no_implicit_collection_creation_after_drop,
* does_not_support_stepdowns,
* requires_getmore,
* ]
*/
(function() {
"use strict";
load("jstests/libs/clustered_collections/clustered_collection_util.js");
load("jstests/libs/ttl_util.js");
// Run TTL monitor constantly to speed up this test.
const conn = MongoRunner.runMongod({setParameter: 'ttlMonitorSleepSecs=1'});
const dbName = jsTestName();
const testDB = conn.getDB(dbName);
const timeFieldName = 'time';
const metaFieldName = 'host';
const expireAfterSeconds = 5;
// Default maximum range of time for a bucket.
const defaultBucketMaxRange = 3600;
const testCase = (testFn) => {
const coll = testDB.getCollection('ts');
const bucketsColl = testDB.getCollection('system.buckets.' + coll.getName());
assert.commandWorked(testDB.createCollection(coll.getName(), {
timeseries: {
timeField: timeFieldName,
metaField: metaFieldName,
},
expireAfterSeconds: expireAfterSeconds,
}));
testFn(coll, bucketsColl);
assert(coll.drop());
};
testCase((coll, bucketsColl) => {
// Insert two measurements that end up in the same bucket, but where the minimum is 5 minutes
// earlier. Expect that the TTL monitor does not delete the data even though the bucket minimum
// is past the expiry.
const maxTime = new Date();
const minTime = new Date(maxTime.getTime() - (1000 * 5 * 60));
assert.commandWorked(coll.insert({[timeFieldName]: minTime, [metaFieldName]: "localhost"}));
assert.commandWorked(coll.insert({[timeFieldName]: maxTime, [metaFieldName]: "localhost"}));
assert.eq(2, coll.find().itcount());
assert.eq(1, bucketsColl.find().itcount());
TTLUtil.waitForPass(coll.getDB("test"));
assert.eq(2, coll.find().itcount());
assert.eq(1, bucketsColl.find().itcount());
});
testCase((coll, bucketsColl) => {
// Insert two measurements 5 minutes apart that end up in the same bucket and both are older
// than the TTL expiry. Expect that the TTL monitor does not delete the data even though the
// bucket minimum is past the expiry because it is waiting for the maximum bucket range to
// elapse.
const maxTime = new Date((new Date()).getTime() - (1000 * expireAfterSeconds));
const minTime = new Date(maxTime.getTime() - (1000 * 5 * 60));
assert.commandWorked(coll.insert({[timeFieldName]: minTime, [metaFieldName]: "localhost"}));
assert.commandWorked(coll.insert({[timeFieldName]: maxTime, [metaFieldName]: "localhost"}));
assert.eq(2, coll.find().itcount());
assert.eq(1, bucketsColl.find().itcount());
TTLUtil.waitForPass(coll.getDB("test"));
assert.eq(2, coll.find().itcount());
assert.eq(1, bucketsColl.find().itcount());
});
testCase((coll, bucketsColl) => {
// Insert two measurements 5 minutes apart that end up in the same bucket and both are older
// than the TTL expiry and the maximum bucket range. Expect that the TTL monitor deletes the
// data because the bucket minimum is past the expiry plus the maximum bucket range.
const maxTime = new Date((new Date()).getTime() - (1000 * defaultBucketMaxRange));
const minTime = new Date(maxTime.getTime() - (1000 * 5 * 60));
assert.commandWorked(coll.insert({[timeFieldName]: minTime, [metaFieldName]: "localhost"}));
assert.commandWorked(coll.insert({[timeFieldName]: maxTime, [metaFieldName]: "localhost"}));
TTLUtil.waitForPass(coll.getDB("test"));
assert.eq(0, coll.find().itcount());
assert.eq(0, bucketsColl.find().itcount());
});
testCase((coll, bucketsColl) => {
// Insert two measurements using insertMany that end up in the same bucket, but where the
// minimum is 5 minutes earlier. Expect that the TTL monitor does not delete the data even
// though the bucket minimum is past the expiry.
const maxTime = new Date();
const minTime = new Date(maxTime.getTime() - (1000 * 5 * 60));
assert.commandWorked(coll.insertMany([
{[timeFieldName]: minTime, [metaFieldName]: "localhost"},
{[timeFieldName]: maxTime, [metaFieldName]: "localhost"}
]));
assert.eq(2, coll.find().itcount());
assert.eq(1, bucketsColl.find().itcount());
TTLUtil.waitForPass(coll.getDB("test"));
assert.eq(2, coll.find().itcount());
assert.eq(1, bucketsColl.find().itcount());
});
testCase((coll, bucketsColl) => {
// Insert two measurements with insertMany 5 minutes apart that end up in the same bucket and
// both are older than the TTL expiry and the maximum bucket range. Expect that the TTL monitor
// deletes the data because the bucket minimum is past the expiry plus the maximum bucket range.
const maxTime = new Date((new Date()).getTime() - (1000 * defaultBucketMaxRange));
const minTime = new Date(maxTime.getTime() - (1000 * 5 * 60));
assert.commandWorked(coll.insertMany([
{[timeFieldName]: minTime, [metaFieldName]: "localhost"},
{[timeFieldName]: maxTime, [metaFieldName]: "localhost"}
]));
TTLUtil.waitForPass(coll.getDB("test"));
assert.eq(0, coll.find().itcount());
assert.eq(0, bucketsColl.find().itcount());
});
// Make a collection TTL using collMod. Ensure data expires correctly.
(function newlyTTLWithCollMod() {
const coll = testDB.getCollection('ts');
const bucketsColl = testDB.getCollection('system.buckets.' + coll.getName());
assert.commandWorked(testDB.createCollection(coll.getName(), {
timeseries: {
timeField: timeFieldName,
metaField: metaFieldName,
}
}));
// Insert two measurements 5 minutes apart that end up in the same bucket and both are older
// than the TTL expiry and the maximum bucket range.
const maxTime = new Date((new Date()).getTime() - (1000 * defaultBucketMaxRange));
const minTime = new Date(maxTime.getTime() - (1000 * 5 * 60));
assert.commandWorked(coll.insert({[timeFieldName]: minTime, [metaFieldName]: "localhost"}));
assert.commandWorked(coll.insert({[timeFieldName]: maxTime, [metaFieldName]: "localhost"}));
assert.eq(2, coll.find().itcount());
assert.eq(1, bucketsColl.find().itcount());
// Make the collection TTL and expect the data to be deleted because the bucket minimum is past
// the expiry plus the maximum bucket range.
assert.commandWorked(testDB.runCommand({
collMod: 'ts',
expireAfterSeconds: expireAfterSeconds,
}));
TTLUtil.waitForPass(coll.getDB("test"));
assert.eq(0, coll.find().itcount());
assert.eq(0, bucketsColl.find().itcount());
})();
MongoRunner.stopMongod(conn);
})();
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