cmd/geth: compact and print database stats after an import
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@ -31,6 +31,7 @@ import (
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/syndtr/goleveldb/leveldb/util"
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"gopkg.in/urfave/cli.v1"
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)
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@ -81,13 +82,29 @@ func importChain(ctx *cli.Context) error {
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}
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stack := makeFullNode(ctx)
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chain, chainDb := utils.MakeChain(ctx, stack)
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defer chainDb.Close()
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// Import the chain
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start := time.Now()
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err := utils.ImportChain(chain, ctx.Args().First())
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chainDb.Close()
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if err != nil {
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if err := utils.ImportChain(chain, ctx.Args().First()); err != nil {
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utils.Fatalf("Import error: %v", err)
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}
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fmt.Printf("Import done in %v", time.Since(start))
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fmt.Printf("Import done in %v, compacting...\n", time.Since(start))
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// Compact the entire database to more accurately measure disk io and print the stats
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if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
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start = time.Now()
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if err := db.LDB().CompactRange(util.Range{}); err != nil {
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utils.Fatalf("Compaction failed: %v", err)
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}
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fmt.Printf("Compaction done in %v.\n", time.Since(start))
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stats, err := db.LDB().GetProperty("leveldb.stats")
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if err != nil {
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utils.Fatalf("Failed to read database stats: %v", err)
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}
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fmt.Println(stats)
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}
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return nil
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}
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