Revision management
For each new file or file modification Yoda creates a timestamped backup file in the revision store. The revision store is located at /tempZone/yoda/revisions.
Revision strategies
Not all revisions are kept, only a predefined number of revisions are being kept per time bucket. A time bucket is a time offset from now into the past. Each revision strategy has a predefined set of time buckets and number of revisions stored in those buckets.
Strategy A:
| time bucket | number of revisions |
|---|---|
| 6 hours | 1 |
| 12 hours | 1 |
| 18 hours | 1 |
| 1 day | 1 |
| 2 days | 1 |
| 3 days | 1 |
| 4 days | 1 |
| 5 days | 1 |
| 6 days | 1 |
| 1 week | 1 |
| 2 weeks | 1 |
| 3 weeks | 1 |
| 4 weeks | 1 |
| 8 weeks | 1 |
| 12 weeks | 1 |
| 16 weeks | 1 |
Strategy B:
| time bucket | number of revisions |
|---|---|
| 12 hours | 2 |
| 1 day | 2 |
| 3 days | 2 |
| 5 days | 2 |
| 1 week | 2 |
| 3 weeks | 2 |
| 8 weeks | 2 |
| 16 weeks | 2 |
Strategy Simple:
| time bucket | number of revisions |
|---|---|
| 16 weeks | 5 |