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restic/changelog/unreleased/issue-3397

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Improve the ETA displayed during backup The ETA restic displays was based on a rate computed across the entire backup operation. Often restic can progress at uneven rates. In the worst case, restic progresses over most of the backup at a very high rate and then finds new data to back up. The displayed ETA is then unrealistic and never adapts. Restic now estimates the transfer rate based on a sliding window, with the goal of adapting to observed changes in rate. To avoid wild changes in the estimate, several heuristics are used to keep the sliding window wide enough to be relatively stable.
2021-11-01 22:13:23 +00:00
Enhancement: Improve the ETA displayed during backup
Address review comments
2023-06-08 18:24:21 +00:00
Restic's `backup` command displayed an ETA that did not adapt when the rate
Improve the ETA displayed during backup The ETA restic displays was based on a rate computed across the entire backup operation. Often restic can progress at uneven rates. In the worst case, restic progresses over most of the backup at a very high rate and then finds new data to back up. The displayed ETA is then unrealistic and never adapts. Restic now estimates the transfer rate based on a sliding window, with the goal of adapting to observed changes in rate. To avoid wild changes in the estimate, several heuristics are used to keep the sliding window wide enough to be relatively stable.
2021-11-01 22:13:23 +00:00
of progress made during the backup changed during the course of the
backup. Restic now uses recent progress when computing the ETA. It is
important to realize that the estimate may still be wrong, because restic
cannot predict the future, but the hope is that the ETA will be more
accurate in most cases.
https://github.com/restic/restic/issues/3397
Address review comments
2023-06-08 18:24:21 +00:00
https://github.com/restic/restic/pull/3563
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