Uses of Class
org.rocksdb.Env

Packages that use Env

Package	Description
org.rocksdb	The RocksDB Java driver

Uses of Env in org.rocksdb

Subclasses of Env in org.rocksdb

Modifier and Type	Class and Description
class	RocksEnv A RocksEnv is an interface used by the rocksdb implementation to access operating system functionality like the filesystem etc.
class	RocksMemEnv Memory environment.
class	TimedEnv Timed environment.

Methods in org.rocksdb that return Env

Modifier and Type	Method and Description
Env	BackupEngineOptions.backupEnv() Backup Env object.
static Env	Env.getDefault() Returns the default environment suitable for the current operating system.
Env	DBOptions.getEnv()
Env	DBOptionsInterface.getEnv() Returns the set RocksEnv instance.
Env	Options.getEnv()
Env	RocksDB.getEnv() Get the Env object from the DB
Env	Env.incBackgroundThreadsIfNeeded(int number, Priority priority) Enlarge number of background worker threads of a specific thread pool for this environment if it is smaller than specified.
Env	Env.lowerThreadPoolCPUPriority(Priority priority) Lower CPU priority for threads from the specified pool.
Env	Env.lowerThreadPoolIOPriority(Priority priority) Lower IO priority for threads from the specified pool.
Env	Env.setBackgroundThreads(int number) Sets the number of background worker threads of the low priority pool for this environment.
Env	Env.setBackgroundThreads(int number, Priority priority) Sets the number of background worker threads of the specified thread pool for this environment.

Methods in org.rocksdb with parameters of type Env

Modifier and Type	Method and Description
static String	OptionsUtil.getLatestOptionsFileName(String dbPath, Env env) Returns the latest options file name under the specified RocksDB path.
static void	OptionsUtil.loadLatestOptions(String dbPath, Env env, DBOptions dbOptions, List<ColumnFamilyDescriptor> cfDescs) A static method to construct the DBOptions and ColumnFamilyDescriptors by loading the latest RocksDB options file stored in the specified rocksdb database.
static void	OptionsUtil.loadLatestOptions(String dbPath, Env env, DBOptions dbOptions, List<ColumnFamilyDescriptor> cfDescs, boolean ignoreUnknownOptions)
static void	OptionsUtil.loadOptionsFromFile(String optionsFileName, Env env, DBOptions dbOptions, List<ColumnFamilyDescriptor> cfDescs) Similar to LoadLatestOptions, this function constructs the DBOptions and ColumnFamilyDescriptors based on the specified RocksDB Options file.
static void	OptionsUtil.loadOptionsFromFile(String optionsFileName, Env env, DBOptions dbOptions, List<ColumnFamilyDescriptor> cfDescs, boolean ignoreUnknownOptions)
static BackupEngine	BackupEngine.open(Env env, BackupEngineOptions options) Opens a new Backup Engine
BackupEngineOptions	BackupEngineOptions.setBackupEnv(Env env) Backup Env object.
ConfigOptions	ConfigOptions.setEnv(Env env)
DBOptions	DBOptions.setEnv(Env env)
T	DBOptionsInterface.setEnv(Env env) Use the specified object to interact with the environment, e.g. to read/write files, schedule background work, etc.
Options	Options.setEnv(Env env)

Constructors in org.rocksdb with parameters of type Env

Constructor and Description
PersistentCache(Env env, String path, long size, Logger logger, boolean optimizedForNvm)
RocksMemEnv(Env baseEnv) Creates a new environment that stores its data in memory and delegates all non-file-storage tasks to baseEnv.
SstFileManager(Env env) Create a new SstFileManager that can be shared among multiple RocksDB instances to track SST file and control there deletion rate.
SstFileManager(Env env, Logger logger) Create a new SstFileManager that can be shared among multiple RocksDB instances to track SST file and control there deletion rate.
SstFileManager(Env env, Logger logger, long rateBytesPerSec) Create a new SstFileManager that can be shared among multiple RocksDB instances to track SST file and control there deletion rate.
SstFileManager(Env env, Logger logger, long rateBytesPerSec, double maxTrashDbRatio) Create a new SstFileManager that can be shared among multiple RocksDB instances to track SST file and control there deletion rate.
SstFileManager(Env env, Logger logger, long rateBytesPerSec, double maxTrashDbRatio, long bytesMaxDeleteChunk) Create a new SstFileManager that can be shared among multiple RocksDB instances to track SST file and control there deletion rate.
TimedEnv(Env baseEnv) Creates a new environment that measures function call times for filesystem operations, reporting results to variables in PerfContext.