/** * Tests inserting large documents into a capped collection. * * @tags: [ * requires_capped, * requires_collstats, * requires_fastcount, * # Capped collections cannot be sharded * assumes_unsharded_collection, * ] */ (function() { const coll = db.capped_large_docs; coll.drop(); const maxSize = 25 * 1024 * 1024; // 25MB. assert.commandWorked(db.createCollection(coll.getName(), {capped: true, size: maxSize})); // Insert ~50MB of data. const doc = { key: "a".repeat(10 * 1024 * 1024) }; for (let i = 0; i < 5; i++) { assert.commandWorked(coll.insert(doc)); } // With a capped collection capacity of 25MB, we should have 2 documents. const stats = assert.commandWorked(coll.stats()); assert.eq(2, stats.count); assert(stats.size <= maxSize); }());