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core, eth, trie: streaming GC for the trie cache (#16810)

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* core, eth, trie: streaming GC for the trie cache

* trie: track memcache statistics
This commit is contained in:
Péter Szilágyi
2018-06-04 10:47:43 +03:00
committed by GitHub
parent 3f33a7c8ce
commit 143c4341d8
4 changed files with 202 additions and 38 deletions
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8
eth/api_tracer.go
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@ -251,7 +251,8 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
// Print progress logs if long enough time elapsed
if time.Since(logged) > 8*time.Second {
if number > origin {
log.Info("Tracing chain segment", "start", origin, "end", end.NumberU64(), "current", number, "transactions", traced, "elapsed", time.Since(begin), "memory", database.TrieDB().Size())
nodes, imgs := database.TrieDB().Size()
log.Info("Tracing chain segment", "start", origin, "end", end.NumberU64(), "current", number, "transactions", traced, "elapsed", time.Since(begin), "memory", nodes+imgs)
} else {
log.Info("Preparing state for chain trace", "block", number, "start", origin, "elapsed", time.Since(begin))
}
@ -298,6 +299,8 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
// Dereference all past tries we ourselves are done working with
database.TrieDB().Dereference(proot, common.Hash{})
proot = root
// TODO(karalabe): Do we need the preimages? Won't they accumulate too much?
}
}()
@ -526,7 +529,8 @@ func (api *PrivateDebugAPI) computeStateDB(block *types.Block, reexec uint64) (*
database.TrieDB().Dereference(proot, common.Hash{})
proot = root
}
log.Info("Historical state regenerated", "block", block.NumberU64(), "elapsed", time.Since(start), "size", database.TrieDB().Size())
nodes, imgs := database.TrieDB().Size()
log.Info("Historical state regenerated", "block", block.NumberU64(), "elapsed", time.Since(start), "nodes", nodes, "preimages", imgs)
return statedb, nil
}