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les: historical data garbage collection (#19570)

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This change introduces garbage collection for the light client. Historical
chain data is deleted periodically. If you want to disable the GC, use
the --light.nopruning flag.
This commit is contained in:
gary rong
2020-07-13 17:02:54 +08:00
committed by GitHub
parent b8dd0890b3
commit 6eef141aef
45 changed files with 841 additions and 213 deletions
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8
core/blockchain.go
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@ -901,14 +901,14 @@ func (bc *BlockChain) Stop() {
recent := bc.GetBlockByNumber(number - offset)
log.Info("Writing cached state to disk", "block", recent.Number(), "hash", recent.Hash(), "root", recent.Root())
if err := triedb.Commit(recent.Root(), true); err != nil {
if err := triedb.Commit(recent.Root(), true, nil); err != nil {
log.Error("Failed to commit recent state trie", "err", err)
}
}
}
if snapBase != (common.Hash{}) {
log.Info("Writing snapshot state to disk", "root", snapBase)
if err := triedb.Commit(snapBase, true); err != nil {
if err := triedb.Commit(snapBase, true, nil); err != nil {
log.Error("Failed to commit recent state trie", "err", err)
}
}
@ -1442,7 +1442,7 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
// If we're running an archive node, always flush
if bc.cacheConfig.TrieDirtyDisabled {
if err := triedb.Commit(root, false); err != nil {
if err := triedb.Commit(root, false, nil); err != nil {
return NonStatTy, err
}
} else {
@ -1476,7 +1476,7 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
log.Info("State in memory for too long, committing", "time", bc.gcproc, "allowance", bc.cacheConfig.TrieTimeLimit, "optimum", float64(chosen-lastWrite)/TriesInMemory)
}
// Flush an entire trie and restart the counters
triedb.Commit(header.Root, true)
triedb.Commit(header.Root, true, nil)
lastWrite = chosen
bc.gcproc = 0
}