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Upgrade to RocksDB 5.8.8 and tune settings to reduce space amplification (#7348)

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* kvdb-rocksdb: update to RocksDB 5.8.8

* kvdb-rocksdb: tune RocksDB options

* Switch to level-style compaction
* Increase default block size (16K), and use bigger blocks for HDDs (64K)
* Increase default file size base (64MB SSDs, 256MB HDDs)
* Create a single block cache shared across all column families
* Tune compaction settings using RocksDB helper functions, taking into account
  memory budget spread across all columns
* Configure backgrounds jobs based on the number of CPUs
* Set some default recommended settings

* ethcore: remove unused config blockchain.db_cache_size

* parity: increase default value for db_cache_size

* kvdb-rocksdb: enable compression on all levels

* kvdb-rocksdb: set global db_write_bufer_size

* kvdb-rocksdb: reduce db_write_bufer_size to force earlier flushing

* kvdb-rocksdb: use master branch for rust-rocksdb dependency
This commit is contained in:
André Silva
2018-01-03 10:00:37 +00:00
committed by Tomasz Drwięga
parent 8405edab41
commit e114b0b28d
13 changed files with 93 additions and 93 deletions
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6
ethcore/light/src/client/service.rs
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@@ -64,11 +64,7 @@ impl<T: ChainDataFetcher> Service<T> {
// initialize database.
let mut db_config = DatabaseConfig::with_columns(db::NUM_COLUMNS);
// give all rocksdb cache to the header chain column.
if let Some(size) = config.db_cache_size {
db_config.set_cache(db::COL_LIGHT_CHAIN, size);
}
db_config.memory_budget = config.db_cache_size;
db_config.compaction = config.db_compaction;
db_config.wal = config.db_wal;