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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# Adding a new metric? We have docs for that!
---
$tags:
- 'Core :: Storage: IndexedDB'
idb.maintenance:
fallback_fullrestore_metadata:
type: counter
description: >
Tracks the number of times we need to fallback to restore metadata object by reading
metadata-v2 file on disk when performing idle-maintenance on IDB database.
bugs:
data_reviews:
data_sensitivity:
- technical
notification_emails:
- storage-telemetry@mozilla.com
expires: never
metadata_restored:
type: counter
description: >
Counts the number of times we failed to load metadata object and had to restore it
bugs:
data_reviews:
data_sensitivity:
- technical
notification_emails:
- storage-telemetry@mozilla.com
expires: never
unknown_metadata:
type: counter
description: >
Increments upon encountering an unknown metadata object when performing
idle-maintenance on IDB database. During idle-maintenance, we iterate
over idb directories/files and construct a metadata object by calling
QuotaManager::GetOriginMetadata or LoadFullOriginMetadataWithRestore.
It seems that in some cases, the metadata object we get here can be
invalid and this metric is used to track those instances.
bugs:
data_reviews:
data_sensitivity:
- technical
notification_emails:
- storage-telemetry@mozilla.com
expires: never