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update wiki pages

Vika 2024-01-15 14:31:14 +00:00
parent 5d3409c04e
commit 1a062d74de
2 changed files with 9 additions and 2 deletions
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4
vmbackup.md

@ -94,7 +94,9 @@ The command will upload only changed data to `gs://<bucket>/latest`.
Where `<daily-snapshot>` is the snapshot for the last day `<YYYYMMDD>`.
This approach saves network bandwidth costs on hourly backups (since they are incremental) and allows recovering data from either the last hour (`latest` backup)
or from any day (`YYYYMMDD` backups). Note that hourly backup shouldn't run when creating daily backup.
or from any day (`YYYYMMDD` backups). Because of this feature, it is not recommended to store `latest` data folder
in storages with expensive reads or additional archiving features (like [S3 Glacier](https://aws.amazon.com/s3/storage-classes/glacier/)).
Note that hourly backup shouldn't run when creating daily backup.
Do not forget to remove old backups when they are no longer needed in order to save storage costs.

7
vmbackupmanager.md

@ -57,7 +57,8 @@ To get the full list of supported flags please run the following command:
The service creates a **full** backup each run. This means that the system can be restored fully
from any particular backup using [vmrestore](https://docs.victoriametrics.com/vmrestore.html).
Backup manager uploads only the data that has been changed or created since the most recent backup (incremental backup).
Backup manager uploads only the data that has been changed or created since the most recent backup
([incremental backup](https://docs.victoriametrics.com/vmbackup.html#incremental-backups)).
This reduces the consumed network traffic and the time needed for performing the backup.
See [this article](https://medium.com/@valyala/speeding-up-backups-for-big-time-series-databases-533c1a927883) for details.
@ -123,6 +124,10 @@ The result on the GCS bucket
<img alt="latest folder" src="vmbackupmanager_latest_folder.webp">
Please note, `latest` data folder is used for [smart backups](https://docs.victoriametrics.com/vmbackup.html#smart-backups).
It is not recommended to store `latest` data folder in storages with expensive reads or additional archiving features
(like [S3 Glacier](https://aws.amazon.com/s3/storage-classes/glacier/)).
Please, see [vmbackup docs](https://docs.victoriametrics.com/vmbackup.html#advanced-usage) for more examples of authentication with different
storage types.