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

Class FlowRunTable

java.lang.Object

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

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

public class FlowRunTable
extends BaseTable<FlowRunTable>

The flow run table has column family info Stores per flow run information aggregated across applications. Metrics are also stored in the info column family. Example flow run table record:

 flow_run table
 |-------------------------------------------|
 |  Row key   | Column Family                |
 |            | info                         |
 |-------------------------------------------|
 | clusterId! | flow_version:version7        |
 | userName!  |                              |
 | flowName!  | running_apps:1               |
 | flowRunId  |                              |
 |            | min_start_time:1392995080000 |
 |            | #0:""                        |
 |            |                              |
 |            | min_start_time:1392995081012 |
 |            | #0:appId2                    |
 |            |                              |
 |            | min_start_time:1392993083210 |
 |            | #0:appId3                    |
 |            |                              |
 |            |                              |
 |            | max_end_time:1392993084018   |
 |            | #0:""                        |
 |            |                              |
 |            |                              |
 |            | m!mapInputRecords:127        |
 |            | #0:""                        |
 |            |                              |
 |            | m!mapInputRecords:31         |
 |            | #2:appId2                    |
 |            |                              |
 |            | m!mapInputRecords:37         |
 |            | #1:appId3                    |
 |            |                              |
 |            |                              |
 |            | m!mapOutputRecords:181       |
 |            | #0:""                        |
 |            |                              |
 |            | m!mapOutputRecords:37        |
 |            | #1:appId3                    |
 |            |                              |
 |            |                              |
 |-------------------------------------------|
 

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 flowrun table name.
static String	TABLE_NAME_CONF_NAME config param name that specifies the flowrun table name.

Constructor Summary

Constructors

Constructor and Description
FlowRunTable()

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 flowrun table name.

See Also:

Constant Field Values

DEFAULT_TABLE_NAME

public static final String DEFAULT_TABLE_NAME

default value for flowrun 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

FlowRunTable

public FlowRunTable()

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<FlowRunTable>

Parameters:

admin - Used for doing HBase table operations.

hbaseConf - Hbase configuration.

Throws:

IOException - if any exception occurs while creating the table.