[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-08-18。"],[],[],null,["# Quotas and limits\n=================\n\nThis page describes the request quotas and limits for Firestore with MongoDB compatibility.\n\nFree tier usage\n---------------\n\nFirestore with MongoDB compatibility offers a free tier that lets you get started with\nFirestore with MongoDB compatibility at no cost. The free tier amounts are listed in the following\ntable.\n\nFree tier amounts are applied daily and reset at midnight Pacific time.\n\nThe free tier applies to only one Firestore with MongoDB compatibility database per project.\nThe first database that is created in a project without a free tier database\nwill get the free tier. If the database with the free tier applied is deleted,\nthe next database created will receive the free tier.\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nThe following operations and features don't include free usage.\nYou must [enable billing](https://cloud.google.com/billing/docs/how-to/modify-project) to use these features:\n\n- Managed deletes (TTL)\n- Backup data\n- Restore operations\n\nFor more information about how these features are billed, see\n[Storage pricing](/firestore/enterprise/pricing#storage-size).\n\nStandard limits\n---------------\n\nThe following tables show the limits that apply to\nFirestore with MongoDB compatibility. These are hard limits unless otherwise noted.\n\n### Databases\n\n### Collections, documents, and fields\n\n### Reads, writes, and transactions\n\n### Indexes\n\n### Time to live (TTL)"]]