9831e4ddad
#### Problem Previously before #26651, our LedgerCleanupService needs RocksDB background compactions to reclaim ledger disk space via our custom CompactionFilter. However, since RocksDB's compaction isn't smart enough to know which file to pick, we rely on the 1-day compaction period so that each file will be forced to be compacted once a day so that we can reclaim ledger disk space in time. The downside of this is each ledger file will be rewritten once per day. #### Summary of Changes As #26651 makes LedgerCleanupService actively delete those files whose entire slot-range is older than both --limit-ledger-size and the current root, we can remove the 1-day compaction period and get rid of the daily ledger file rewrite. The results on mainnet-beta shows that this PR reduces ~20% write-bytes-per-second and reduces ~50% read-bytes-per-second on ledger disk. |
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