Prune spendjournal depth - #8
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This patch implements spend journal pruning by deleting spend journal entries older than the default target of 288 entries, this means that we can process up to 288 blocks (~2 days) of chain re-org. Previously, archival nodes stored all the spend journal entries forever, ~75GiB of the ~90GiB used by leveldb was being used by the spend journal. This patch makes possible to run archive nodes with better performance in devices constrained in RAM and SSD, by keeping leveldb in a small SSD and the blocks in an HDD.
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Note: for nodes with IBD complete, a manual leveldb compaction should be ran to release the storage used by the deleted data. |
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This patch implements spend journal pruning by deleting spend journal entries older than the default target of 288 entries, this means that we can process up to 288 blocks (~2 days) of chain re-org.
Previously, archival nodes stored all the spend journal entries forever, ~75GiB of the ~90GiB used by leveldb was being used by the spend journal.
This patch makes possible to run archive nodes with better performance in devices constrained in RAM and SSD, by keeping leveldb in a small SSD and the blocks in an HDD.