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Add high level overview comments on ledger_cleanup_service (#24184)

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steviez 2022-04-08 00:49:21 -05:00 committed by GitHub
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6
core/src/ledger_cleanup_service.rs
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@ -1,4 +1,8 @@
//! The `ledger_cleanup_service` drops older ledger data to limit disk space usage
//! The `ledger_cleanup_service` drops older ledger data to limit disk space usage.
//! The service works by counting the number of live data shreds in the ledger; this
//! can be done quickly and should have a fairly stable correlation to actual bytes.
//! Once the shred count (and thus roughly the byte count) reaches a threshold,
//! the services begins removing data in FIFO order.
use {
crossbeam_channel::{Receiver, RecvTimeoutError},