Compact more when pruning states #6667
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dapplion
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Dec 9, 2024
| DBColumn::BeaconRestorePoint, | ||
| DBColumn::BeaconHistoricalRoots, | ||
| DBColumn::BeaconRandaoMixes, | ||
| DBColumn::BeaconHistoricalSummaries, |
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Hope we don't make the same mistake when rolling diffs on hot DB
michaelsproul
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Squashed commit of the following: commit 32cdb32 Merge: f749988 fc0e0ae Author: Michael Sproul <michael@sigmaprime.io> Date: Thu Dec 12 13:14:32 2024 +1100 Merge branch 'release-v6.0.1' into compact-more commit f749988 Author: Michael Sproul <michael@sigmaprime.io> Date: Sat Dec 7 12:46:54 2024 +1100 Compact more when pruning states
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dapplion
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Dec 14, 2024
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✅ The pull request has been merged automaticallyThe pull request has been merged automatically at f3b7888 |
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Proposed Changes
@chong-he noticed that nodes running v6.0.0 do not reclaim disk space after pruning states. This is because the generic
compactmethod on the database only compacts a handful of columns:BeaconState,BeaconStateSummary,BeaconBlock.For pre-v6.0.0 databases, most of the data for historic states will have been stored in the
BeaconStatecolumn, so users upgrading from v5.x to v6 should have been able to reclaim most of the used space. There are only a handful of old columns likeBeaconStateRootswhich won't have been compacted.For nodes running v6 that prune states after upgrading, the compaction currently misses the two most important columns:
BeaconStateSnapshotandBeaconStateDiff. I've added a newcompact_freezermethod which compacts all of the current-schema columns, and all the old schema columns for good measure.