Denver Coneybeare comments

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                                            Denver Coneybeare

firestore: add experimental option "sendWriteRequestsDelayMs" to enable write request batching in fewer http requests

I did a quick performance test to see if there were any overall improvements to batching the write requests into fewer physical http requests. tl;dr there were only improvements noted...

Can't use Timestamp in Firestore rules unit tests

Hello all. I just want to acknowledge that we are still investigating this issue internally. I'll have a more concrete response by the end of the week.

Firestore Index errors are missing the details field. They do not tell you the index creation URL

Assigning @cherylEnkidu to take a look (as discussed offline)

Firestore AsyncQueue/SQLiteRemoteDocumentCache Crash

This is effectively an "out of memory error" thrown by the Android SQLite native code here: https://android.googlesource.com/platform/frameworks/base/+/31eb3c89a94d77eae9503bd635a4f056db3e3a31/core/jni/android_database_CursorWindow.cpp#227 Unfortunately, this error is too vague to investigate as there are, obviously, many...

[Firestore Performance Issue] Android query.get() takes over 20s while iOS completes under 1s for identical query

After reviewing this issue, I have 3 proposals: ## 1. Deleted Documents Performance Fix The [26.0.1](https://firebase.google.com/support/release-notes/android#2025-09-18) (Sept 18, 2025, BoM version 34.3.0) release of the Android Cloud Firestore SDK contains...

[Firestore Performance Issue] Android query.get() takes over 20s while iOS completes under 1s for identical query

Update: The performance fix https://github.com/firebase/firebase-android-sdk/pull/7301 for collections with a large number of _deleted documents_ was just released on Sept 18, 2025 in the Android Cloud Firestore SDK version 26.0.1 (BoM...

[Firestore Performance Issue] Android query.get() takes over 20s while iOS completes under 1s for identical query

@sana-20 Thanks for the report! That 50% speed-up (6s to 3s) just from upgrading to `v34.3.0` is great to see. I know 3s is still slow, but we're moving in...

[Firestore Performance Issue] Android query.get() takes over 20s while iOS completes under 1s for identical query

@sana-20 I ran the following query on the sqlite database that you provided and the query ran in a blazingly-fast 7-10 milliseconds on a Pixel 7 Pro, with `com.google.firebase:firebase-firestore:26.0.1` (the...

[Firestore Performance Issue] Android query.get() takes over 20s while iOS completes under 1s for identical query

Update: `com.google.firebase:firebase-bom:34.4.0` (which includes `com.google.firebase:firebase-firestore:26.0.2`) was released a few days ago on Oct 09, 2025 ([release notes](https://firebase.google.com/support/release-notes/android#2025-10-09)) which includes 4 query performance improvements. Please re-run your performance tests using this...

[Firestore Performance Issue] Android query.get() takes over 20s while iOS completes under 1s for identical query

Thank you for the detailed response and the update sqlite database. I'm glad you at least noticed some substantial improvements, although, I see how this doesn't meet your expectations. I...