Time variation protection for snapshots

An apparatus, comprising:

• one or more memories storing processor-executable code;
• and
• one or more processors coupled with the one or more memories and individually or collectively operable to execute the code to cause the apparatus to:
• generate a plurality of snapshots of a computing object, wherein the plurality of snapshots is associated with a first plurality of values of a monotonically increasing time source and a second plurality of values of a system time source, wherein the first plurality of values are within a first plurality of consecutive intervals of a monotonically increasing timeline corresponding to the monotonically increasing time source, and wherein the second plurality of values are within a second plurality of consecutive intervals of a system timeline corresponding to the system time source;
• identify, in the monotonically increasing timeline, an earliest snapshot within a first retention duration;
• identify, in the system timeline, a quantity of consecutive intervals such that an earliest one of the first plurality of consecutive intervals includes the earliest snapshot within the first retention duration, wherein a second retention duration associated with the system timeline is based at least in part on the quantity of consecutive intervals;
• and
• expire a subset of the plurality of snapshots such that at least one respective snapshot is retained within each consecutive interval included in the second plurality of consecutive intervals.

A non-transitory computer-readable medium storing code, the code comprising instructions executable by one or more processors to:

• generate a plurality of snapshots of a computing object, wherein the plurality of snapshots is associated with a first plurality of values of a monotonically increasing time source and a second plurality of values of a system time source, wherein the first plurality of values are within a first plurality of consecutive intervals of a monotonically increasing timeline corresponding to the monotonically increasing time source, and wherein the second plurality of values are within a second plurality of consecutive intervals of a system timeline corresponding to the system time source;
• identify, in the monotonically increasing timeline, an earliest snapshot within a first retention duration;
• identify, in the system timeline, a quantity of consecutive intervals such that an earliest one of the first plurality of consecutive intervals includes the earliest snapshot within the first retention duration, wherein a second retention duration associated with the system timeline is based at least in part on the quantity of consecutive intervals;
• and
• expire a subset of the plurality of snapshots such that at least one respective snapshot is retained within each consecutive interval included in the second plurality of consecutive intervals.