nimbus-eth1/nimbus/db/opts.nim

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# Nimbus
# Copyright (c) 2024 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
# http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
# http://opensource.org/licenses/MIT)
# at your option. This file may not be copied, modified, or distributed
# except according to those terms.
{.push raises: [].}
import results
export results
const
# https://github.com/facebook/rocksdb/wiki/Setup-Options-and-Basic-Tuning
defaultMaxOpenFiles* = 512
defaultWriteBufferSize* = 64 * 1024 * 1024
defaultRowCacheSize* = 0
## The row cache is disabled by default as the rdb lru caches do a better
## job at a similar abstraction level - ie they work at the same granularity
## as the rocksdb row cache but with less overhead
defaultBlockCacheSize* = 2 * 1024 * 1024 * 1024
defaultRdbVtxCacheSize* = 512 * 1024 * 1024
## Cache of branches and leaves in the state MPTs (world and account)
defaultRdbKeyCacheSize* = 256 * 1024 * 1024
## Hashes of the above
type DbOptions* = object # Options that are transported to the database layer
maxOpenFiles*: int
writeBufferSize*: int
rowCacheSize*: int
blockCacheSize*: int
rdbVtxCacheSize*: int
rdbKeyCacheSize*: int
rdbPrintStats*: bool
func init*(
T: type DbOptions,
maxOpenFiles = defaultMaxOpenFiles,
writeBufferSize = defaultWriteBufferSize,
rowCacheSize = defaultRowCacheSize,
blockCacheSize = defaultBlockCacheSize,
rdbVtxCacheSize = defaultRdbVtxCacheSize,
rdbKeyCacheSize = defaultRdbKeyCacheSize,
rdbPrintStats = false,
): T =
T(
maxOpenFiles: maxOpenFiles,
writeBufferSize: writeBufferSize,
rowCacheSize: rowCacheSize,
blockCacheSize: blockCacheSize,
rdbVtxCacheSize: rdbVtxCacheSize,
rdbKeyCacheSize: rdbKeyCacheSize,
rdbPrintStats: rdbPrintStats,
)