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Add option dbfilesize to control LevelDB target ("max") file size

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This commit is contained in:
Luke Dashjr 2025-04-05 06:24:50 +00:00
parent 8cb6ab0b97
commit c283a57214
4 changed files with 12 additions and 2 deletions
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2
src/dbwrapper.cpp
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@ -147,7 +147,6 @@ static leveldb::Options GetOptions(size_t nCacheSize)
// on corruption in later versions.
options.paranoid_checks = true;
}
options.max_file_size = std::max(options.max_file_size, DBWRAPPER_MAX_FILE_SIZE);
SetMaxOpenFiles(&options);
return options;
}
@ -228,6 +227,7 @@ CDBWrapper::CDBWrapper(const DBParams& params)
DBContext().iteroptions.fill_cache = false;
DBContext().syncoptions.sync = true;
DBContext().options = GetOptions(params.cache_bytes);
DBContext().options.max_file_size = params.options.max_file_size;
DBContext().options.create_if_missing = true;
if (params.memory_only) {
DBContext().penv = leveldb::NewMemEnv(leveldb::Env::Default());

5
src/dbwrapper.h
View file

@ -22,12 +22,15 @@
static const size_t DBWRAPPER_PREALLOC_KEY_SIZE = 64;
static const size_t DBWRAPPER_PREALLOC_VALUE_SIZE = 1024;
static const size_t DBWRAPPER_MAX_FILE_SIZE = 32 << 20; // 32 MiB
static constexpr size_t DEFAULT_DB_FILE_SIZE{32};
//! User-controlled performance and debug options.
struct DBOptions {
//! Compact database on startup.
bool force_compact = false;
//! Target size of files.
size_t max_file_size{DEFAULT_DB_FILE_SIZE << 20};
};
//! Application-specific storage settings.

6
src/init.cpp
View file

@ -20,6 +20,7 @@
#include <common/system.h>
#include <consensus/amount.h>
#include <consensus/consensus.h>
#include <dbwrapper.h>
#include <deploymentstatus.h>
#include <hash.h>
#include <httprpc.h>
@ -489,6 +490,11 @@ void SetupServerArgs(ArgsManager& argsman, bool can_listen_ipc)
argsman.AddArg("-datadir=<dir>", "Specify data directory", ArgsManager::ALLOW_ANY | ArgsManager::DISALLOW_NEGATION, OptionsCategory::OPTIONS);
argsman.AddArg("-dbbatchsize", strprintf("Maximum database write batch size in bytes (default: %u)", nDefaultDbBatchSize), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::OPTIONS);
argsman.AddArg("-dbcache=<n>", strprintf("Maximum database cache size <n> MiB (minimum %d, default: %d). Make sure you have enough RAM. In addition, unused memory allocated to the mempool is shared with this cache (see -maxmempool).", MIN_DB_CACHE >> 20, DEFAULT_DB_CACHE >> 20), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-dbfilesize",
strprintf("Target size of files within databases, in MiB (%u to %u, default: %u).",
1, 1024,
DEFAULT_DB_FILE_SIZE),
ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::OPTIONS);
argsman.AddArg("-includeconf=<file>", "Specify additional configuration file, relative to the -datadir path (only useable from configuration file, not command line)", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-allowignoredconf", strprintf("For backwards compatibility, treat an unused %s file in the datadir as a warning, not an error.", BITCOIN_CONF_FILENAME), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-loadblock=<file>", "Imports blocks from external file on startup", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);

1
src/node/database_args.cpp
View file

@ -14,5 +14,6 @@ void ReadDatabaseArgs(const ArgsManager& args, DBOptions& options)
// databases), but it'd be easy to parse database-specific options by adding
// a database_type string or enum parameter to this function.
if (auto value = args.GetBoolArg("-forcecompactdb")) options.force_compact = *value;
if (auto value = args.GetIntArg("-dbfilesize")) options.max_file_size = (*value) << 20;
}
} // namespace node