edu.iu.dsc.tws.data.memory.lmdb

Class LMDBMemoryManagerContext

java.lang.Object

edu.iu.dsc.tws.api.config.Context

edu.iu.dsc.tws.data.memory.lmdb.LMDBMemoryManagerContext

public class LMDBMemoryManagerContext
extends Context

Created by pulasthi on 12/26/17.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DATA_BUFF_INIT_CAP
static java.lang.String	DB_NAME Name of the databse
static int	DEFAULT_APPEND_BUFFER_SIZE
static java.lang.String	DEFAULT_FOLDER_PATH File path to store the LMDB database
static int	DEFAULT_WRITE_BUFFER_MAP_SIZE
static int	KEY_BUFF_INIT_CAP
static long	MAP_SIZE_LIMIT Map size for the database.
static int	MAX_DB_INSTANCES specifies the maximum number of DBs will be created in 1 environment.
static int	MAX_READERS The maximum number of readers set for an env

Fields inherited from class edu.iu.dsc.tws.api.config.Context

AURORA_SCRIPT, CHECKPOINT_YAML, CLUSTER, CLUSTER_CONF, CLUSTER_HOME, CORE_YAML, DATA_YAML, defaults, GRAPH_TYPE, HOME, JAVA_HOME, JOB, JOB_ARCHIVE_DIRECTORY, JOB_ID, JOB_NAME, JOB_OBJECT, NETWORK_YAML, OPERATION_NAME, OVERRIDE_YAML, RESOURCE_SCHEDULER_YAML, STREAMING, substitutions, TASK_YAML, TWISTER2_BANDWIDTH, TWISTER2_BIN, TWISTER2_CLUSTER_TYPE, TWISTER2_COMMON_CONF_DIR, TWISTER2_CONF, TWISTER2_CONTAINER_ID, TWISTER2_DIRECT_EDGE, TWISTER2_DIST, TWISTER2_GRAPH_JOB, TWISTER2_HOME, TWISTER2_LATENCY, TWISTER2_LIB, TWISTER2_MAX_TASK_INSTANCES_PER_WORKER, TWISTER2_TASK_INSTANCE_ODD_PARALLELISM, TWISTER2_TSET_JOB, TWISTER2_WORKER_INSTANCES, TWISTER2_WORKER_INSTANCES_DEFAULT, USER_NAME, VERBOSE

Constructor Summary

Constructors

Constructor and Description
LMDBMemoryManagerContext()

Method Summary

Methods inherited from class edu.iu.dsc.tws.api.config.Context

auroraScript, checkpointCofigurationFile, checkpointConfigurationFile, clusterType, commonConfDir, conf, containerId, dataConfigurationFile, distDirectory, getDefaults, getDoublePropertyValue, getIntPropertyValue, getLongPropertyValue, getStringPropertyValue, isKubernetesCluster, jobId, jobName, libDirectory, networkConfigurationFile, resourceSchedulerConfigurationFile, systemConfigurationFile, taskConfigurationFile, twister2Home, userName, verbose, workerInstances

Methods inherited from class java.lang.Object

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

Field Detail

MAP_SIZE_LIMIT

public static final long MAP_SIZE_LIMIT

Map size for the database. This specifies how large the DB might be. Over-estimating is OK. value set to 2GB

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Constant Field Values

MAX_DB_INSTANCES

public static final int MAX_DB_INSTANCES

specifies the maximum number of DBs will be created in 1 environment. value set to 1

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Constant Field Values

MAX_READERS

public static final int MAX_READERS

The maximum number of readers set for an env

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Constant Field Values

DEFAULT_APPEND_BUFFER_SIZE

public static final int DEFAULT_APPEND_BUFFER_SIZE

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Constant Field Values

DEFAULT_WRITE_BUFFER_MAP_SIZE

public static final int DEFAULT_WRITE_BUFFER_MAP_SIZE

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Constant Field Values

DATA_BUFF_INIT_CAP

public static final int DATA_BUFF_INIT_CAP

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Constant Field Values

KEY_BUFF_INIT_CAP

public static final int KEY_BUFF_INIT_CAP

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Constant Field Values

DB_NAME

public static final java.lang.String DB_NAME

Name of the databse

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Constant Field Values

DEFAULT_FOLDER_PATH

public static final java.lang.String DEFAULT_FOLDER_PATH

File path to store the LMDB database

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Constant Field Values

Constructor Detail

LMDBMemoryManagerContext

public LMDBMemoryManagerContext()