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Reporting on Delphix Engine Capacity Utilization (KBA1699)

 

 

KBA

KBA# 1699

Storage Utilization Information

The Delphix engine provides a detailed accounting of capacity utilization, including a breakdown by snapshot, as part of the Storage Capacity screen.

In some cases, you may wish to capture this information for reporting purposes. This article discusses the available mechanisms for collecting storage utilization information from the Delphix engine.

Functions Provided by the Delphix Engine 

There are a number of methods for accessing storage utilization information directly from the Delphix Engine

Sorage Capacity Screen 

The Delphix Storage Capacity screen will show the storage utilized by each dSource and virtual database (VDB).  Each object can be expanded further to get a breakdown of the space used and to show any dependent VDBs provisioned from it.  Space usage can be displayed for each snapshot and for any data replicated from another Delphix engine.  The Storage Capacity page also details any space that is held as a result of dependencies from other objects, along with steps that can be taken to release it.

The Storage Management screen on Delphix version 5.1.x also provides a "Graph View" which shows how utilization has changed over time.  This facility is no longer available in the GUI from version 5.2.  However, historical capacity data is available via the CLI or API.

Overview dataset size data can be downloaded via the Storage Capacity screen as a Comma Separated Values (.csv) file for reporting purposes.  More detailed data is available via the CLI or API.

For more information on the Storage Capacity Screen, please refer to our document Using and Understanding The Storage Capacity Screen.

Command Line Interface (CLI) 

The CLI offers a breakdown of usage by container (dSource/VDB). For more information on the CLI, please see our Command Line Interface Guide.

The /capacity/consumer object provides a breakdown of the size of each container and the amount of space used by its snapshots (syncSpace) and logs (logSpace):

yourdelphixengine> /capacity/consumer
yourdelphixengine capacity consumer> list display=groupName,container,breakdown.actualSpace,breakdown.syncSpace,breakdown.logSpace,breakdown.descendantSpace,parent
GROUPNAME  CONTAINER   BREAKDOWN.ACTUALSPACE  BREAKDOWN.SYNCSPACE  BREAKDOWN.LOGSPACE  BREAKDOWN.DESCENDANTSPACE  PARENT
Untitled   Paxos       1.99MB                 50KB                 376KB               1KB                        -
Untitled   VPaxos_945  1.13MB                 65.50KB              376KB               0B                         Paxos
Untitled   VPaxos_C1E  1.13MB                 63.50KB              376KB               0B                         Paxos
Untitled   VPaxos_2CA  1.19MB                 104KB                376KB               0B                         Paxos

The CLI can also be used to access historical information. This is described in the document Reviewing Historical Capacity from the CLI.

For more information on the available Capacity properties, you can access API documentation directly from your Delphix Engine at http://yourdelphixengine/api/#CapacityBreakdown.

Web Service API 

The information from the CLI is also available using our Web Service API.

For more information on our Web Service APIs, please consult our Web Service API Guide. Documentation on the Consumer API is available from your Delphix Engine at http://yourdelphixengine/api/#consumer.

Splunk Integration

The Delphix engine can be configured to forward data, including capacity data, to a Splunk server via the integrated Splunk support.

Other Reporting Options 

There are two other options for gathering this information which do not directly involve the Delphix Engine. These may have support and licensing implications, and are best discussed with your Delphix Customer Success Manager.

Delphix Toolkit (dxToolkit) 

The dxToolkit offers command line tools to manage a Delphix engine, including a dx_get_capacity command to gather information about capacity utilization. Unlike the CLI, the dx_get_capacity command includes the ability to get a complete breakdown of utilization by snapshot.

More information about the dxToolkit is available at its home on Github. The dxToolkit is maintained by our Professional Services team.  Support for this tool is not available directly through Delphix Support but instead through the Delphix Toolkits Community page.

Fluentd Plugin Service

Fluentd plugins provide a mechanism to customize the Delphix engine’s forwarding capabilities for output to other data consumers, beyond the built-in support for Splunk.  See Fluentd Plugin Service for API Modules for more information.