[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2024-12-21 UTC。"],[[["\u003cp\u003eThis page outlines the various production limits for Firestore in Datastore mode, which are subject to change.\u003c/p\u003e\n"],["\u003cp\u003eThe maximum number of databases per project is capped at 100, but this limit can be increased by contacting support.\u003c/p\u003e\n"],["\u003cp\u003eThe maximum size for a transaction, as well as the maximum API request size outside of App Engine, is 10 MiB.\u003c/p\u003e\n"],["\u003cp\u003eThe maximum number of composite indexes for a database is 200 for non billed projects and 500 for billed projects.\u003c/p\u003e\n"],["\u003cp\u003eLegacy Cloud Datastore users who have not yet upgraded to Firestore in Datastore mode are subject to additional limitations, such as a maximum of 25 entity groups per transaction.\u003c/p\u003e\n"]]],[],null,["# Limits\n\n\u003cbr /\u003e\n\nThis page describes production limits for Firestore in Datastore mode.\n| **Note:** These values are subject to change.\n\nFirestore in Datastore mode limits\n----------------------------------\n\nIn addition to these limits, see the\n[best practices](/datastore/docs/best-practices) for Firestore in Datastore mode.\n\nlegacy Cloud Datastore limits\n-----------------------------\n\nIf you have not yet upgraded from Datastore to\n[Firestore in Datastore mode](/datastore/docs/firestore-or-datastore#cloud_firestore_in_datastore_mode),\nthe following limits also apply to your database instance:\n\nWhat's next\n-----------\n\n- Learn about [Pricing and Quota](/datastore/docs/pricing)\n- Learn about [Storage Size Calculations](/datastore/docs/concepts/storage-size)"]]