org.apache.hadoop.yarn.server.timelineservice.storage.flow

Class FlowActivityTable

java.lang.Object

org.apache.hadoop.yarn.server.timelineservice.storage.common.BaseTable<FlowActivityTable>

org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowActivityTable

public class FlowActivityTable
extends BaseTable<FlowActivityTable>

The flow activity table has column family info Stores the daily activity record for flows Useful as a quick lookup of what flows were running on a given day Example flow activity table record:

 |-------------------------------------------|
 |  Row key   | Column Family                |
 |            | info                         |
 |-------------------------------------------|
 | clusterId! | r!runid1:version1            |
 | inv Top of |                              |
 | Day!       | r!runid2:version7            |
 | userName!  |                              |
 | flowName   |                              |
 |-------------------------------------------|
 

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_METRICS_MAX_VERSIONS default max number of versions.
static String	DEFAULT_TABLE_NAME default value for flowactivity table name.
static String	TABLE_NAME_CONF_NAME config param name that specifies the flowactivity table name.

Constructor Summary

Constructors

Constructor and Description
FlowActivityTable()

Method Summary

Methods

Modifier and Type	Method and Description
void	createTable(org.apache.hadoop.hbase.client.Admin admin, org.apache.hadoop.conf.Configuration hbaseConf) Used to create the table in HBase.

Methods inherited from class org.apache.hadoop.yarn.server.timelineservice.storage.common.BaseTable

getResult, getResultScanner, getTableMutator, getTableName, getTableName, getTableName

Methods inherited from class java.lang.Object

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

Field Detail

TABLE_NAME_CONF_NAME

public static final String TABLE_NAME_CONF_NAME

config param name that specifies the flowactivity table name.

See Also:

Constant Field Values

DEFAULT_TABLE_NAME

public static final String DEFAULT_TABLE_NAME

default value for flowactivity table name.

See Also:

Constant Field Values

DEFAULT_METRICS_MAX_VERSIONS

public static final int DEFAULT_METRICS_MAX_VERSIONS

default max number of versions.

See Also:

Constant Field Values

Constructor Detail

FlowActivityTable

public FlowActivityTable()

Method Detail

createTable

public void createTable(org.apache.hadoop.hbase.client.Admin admin,
               org.apache.hadoop.conf.Configuration hbaseConf)
                 throws IOException

Description copied from class: BaseTable

Used to create the table in HBase. Should be called only once (per HBase instance).

Specified by:

createTable in class BaseTable<FlowActivityTable>

Parameters:

admin - Used for doing HBase table operations.

hbaseConf - Hbase configuration.

Throws:

IOException - if any exception occurs while creating the table.