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ethdb/leveldb: use larger table files to decrease filesys load

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Péter Szilágyi 2019-05-20 16:48:34 +03:00
parent a54142987c
commit 18b41bdd42
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1 changed files with 6 additions and 4 deletions
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10
ethdb/leveldb/leveldb.go
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@ -91,10 +91,12 @@ func New(file string, cache int, handles int, namespace string) (*Database, erro
// Open the db and recover any potential corruptions // Open the db and recover any potential corruptions
db, err := leveldb.OpenFile(file, &opt.Options{ db, err := leveldb.OpenFile(file, &opt.Options{
OpenFilesCacheCapacity: handles, OpenFilesCacheCapacity: handles,
BlockCacheCapacity: cache / 2 * opt.MiB, BlockCacheCapacity: cache / 2 * opt.MiB,
WriteBuffer: cache / 4 * opt.MiB, // Two of these are used internally WriteBuffer: cache / 4 * opt.MiB, // Two of these are used internally
Filter: filter.NewBloomFilter(10), Filter: filter.NewBloomFilter(10),
CompactionTableSize: 4 * opt.MiB,
CompactionTableSizeMultiplierPerLevel: []float64{1, 2, 4, 8, 8, 8, 8}, // Cap at 32MB files, higher explodes disk IO
}) })
if _, corrupted := err.(*errors.ErrCorrupted); corrupted { if _, corrupted := err.(*errors.ErrCorrupted); corrupted {
db, err = leveldb.RecoverFile(file, nil) db, err = leveldb.RecoverFile(file, nil)