# `Tay.Engine.CompactionEstimate`
[🔗](https://github.com/AndriiSydorenko1904/tay/blob/v1.6.1/lib/tay/engine/compaction_estimate.ex#L1)

Conservative volatile policy accounting; never filesystem authority or free space.
At most 128 oldest hourly terminal buckets survive. Discarding contributions
only reduces known expiry and thus increases the candidate upper bound.

# `job_bound`

# `new`

# `replace`

# `summarize`

# `terminal_time`

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*Consult [api-reference.md](api-reference.md) for complete listing*