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linting fixes

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Nocnica Mellifera 2023-03-31 11:51:39 -07:00
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website/blog/2023-4-1-incrementals-pt1.md
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@ -12,8 +12,10 @@ tags: [corso, microsoft 365, backups]
date: 2023-4-1 date: 2023-4-1
image: ./images/incremental-encoder.jpg image: ./images/incremental-encoder.jpg
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![By © Raimond Spekking / CC BY-SA 4.0 (via Wikimedia Commons), CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=75914553](./images/incremental-encoder.jpg) ![By © Raimond Spekking / CC BY-SA 4.0 (via Wikimedia Commons), CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=75914553](./images/incremental-encoder.jpg)
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Full Microsoft 365 backups can take a long time, especially since Microsoft Full Microsoft 365 backups can take a long time, especially since Microsoft
throttles the number of requests an application can make in a given window of throttles the number of requests an application can make in a given window of
@ -36,7 +38,7 @@ data is laid out in Corso backups.
Microsoft provides a delta query API that allows developers to get only the Microsoft provides a delta query API that allows developers to get only the
changes to the endpoint since the last query was made. The API represents the changes to the endpoint since the last query was made. The API represents the
idea of the “last query” with an opaque token that is returned when the set of idea of the “last query” with an opaque token that's returned when the set of
items is done being listed. For example, if a developer wants to get a delta items is done being listed. For example, if a developer wants to get a delta
token for a specific email folder, the developer would first list all the items token for a specific email folder, the developer would first list all the items
in the folder using the delta endpoint. On the final page of item results from in the folder using the delta endpoint. On the final page of item results from
@ -83,7 +85,7 @@ Corso also stores a few extra bits of metadata to help with incremental backups.
Most importantly, it stores the Graph API’s delta tokens retrieved during the Most importantly, it stores the Graph API’s delta tokens retrieved during the
backup process as well as a mapping relating the current M365 folder IDs to backup process as well as a mapping relating the current M365 folder IDs to
their paths. This information is stored with different path prefixes (ex. uses their paths. This information is stored with different path prefixes (ex. uses
`onedriveMetadata` instead of `onedrive`) to make it easy to separate out from `onedriveMetadata` instead of `onedrive`) to make it straightforward to separate out from
backed up item data. backed up item data.
### Terminology ### Terminology
@ -135,5 +137,4 @@ each other while still minimizing the amount of item data stored.
Corso implements compression, deduplication *and* incremental backups to give Corso implements compression, deduplication *and* incremental backups to give
you the best backup performance. Check you the best backup performance. Check
[our quickstart guide](https://corsobackup.io/docs/quickstart/) to see how easy [our quickstart guide](https://corsobackup.io/docs/quickstart/) to see how to get started.
it is to get started.