Module org.yamcs.core

Package org.yamcs.yarch.rocksdb

Class RdbConfig

java.lang.Object

org.yamcs.yarch.rocksdb.RdbConfig

public class RdbConfig
extends Object

reads the rdbConfig from the yamcs.yaml and provides RocksDB Options when creating and opening databases singleton

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RdbConfig.TablespaceConfig

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_MAX_OPEN_FILES
static final String	KEY_OPTIONS
static final String	KEY_RDB_CONFIG
static final String	KEY_TABLESPACE_CONFIG
static final String	KEY_TABLESPACE_NAME_PATTERN
static final String	KEY_TF_CONFIG

Method Summary

Modifier and Type	Method	Description
org.rocksdb.ColumnFamilyOptions	getDefaultColumnFamilyOptions()	default column family options if no table specific config has been configured.
org.rocksdb.DBOptions	getDefaultDBOptions()	default db options if no table specific config has been configured.
org.rocksdb.Options	getDefaultOptions()	default options if no table specific config has been configured.
static RdbConfig	getInstance()
RdbConfig.TablespaceConfig	getTablespaceConfig(String tablespaceName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

KEY_RDB_CONFIG

public static final String KEY_RDB_CONFIG

See Also:

• Constant Field Values

KEY_TABLESPACE_CONFIG

public static final String KEY_TABLESPACE_CONFIG

See Also:

• Constant Field Values

KEY_OPTIONS

public static final String KEY_OPTIONS

See Also:

• Constant Field Values

KEY_TABLESPACE_NAME_PATTERN

public static final String KEY_TABLESPACE_NAME_PATTERN

See Also:

• Constant Field Values

KEY_TF_CONFIG

public static final String KEY_TF_CONFIG

See Also:

• Constant Field Values

DEFAULT_MAX_OPEN_FILES

public static final int DEFAULT_MAX_OPEN_FILES

See Also:

• Constant Field Values

Method Details

getInstance

public static RdbConfig getInstance()

Returns:

the singleton instance

getDefaultColumnFamilyOptions

public org.rocksdb.ColumnFamilyOptions getDefaultColumnFamilyOptions()

default column family options if no table specific config has been configured.

Returns:

default column family options

getDefaultOptions

public org.rocksdb.Options getDefaultOptions()

default options if no table specific config has been configured.

Returns:

default options

getDefaultDBOptions

public org.rocksdb.DBOptions getDefaultDBOptions()

default db options if no table specific config has been configured. no specific option set

Returns:

default options

getTablespaceConfig

public RdbConfig.TablespaceConfig getTablespaceConfig(String tablespaceName)

Parameters:

tablespaceName -

Returns:

the first table config that matches the tablespace name or null if no config matches