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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