SAP HANA SPS 10 What's New - Monitoring and Administration Enhancements

1© 2014 SAP AG or an SAP affiliate company. All rights reserved.
SAP HANA SPS 10 - What’s New?
SAP HANA dynamic tiering
SAP HANA Product Management May, 2015
(Delta from SPS 09 to SPS 10) Public

© 2014 SAP AG or an SAP affiliate company. All rights reserved. 2
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© 2015 SAP SE or an SAP affiliate company. All rights reserved. 3Public
Agenda
High availability
 Automatic host-failover for dynamic tiering node
Backup & Recovery
 Implementation of Backint for SAP HANA; Further enhancements in backup system
Multitenant database containers
 Support for dynamic tiering in tenant databases
Administration and monitoring
 New monitoring views; new cockpit tiles; new roles for DT admin/monitoring users
Further features
 Support for extended tables in EIM flow graphs; upcoming Data Lifecycle Management Tool

Host Auto Failover for Dynamic Tiering Hosts
High availability within database cluster
HANA plus DT is a clustered database
So you may want to set up standby hosts
 Standby for either Indexserver (standard HANA) or esserver (DT)
 One host cannot be standby for both at the same time
Automatic failover now also available for dynamic tiering hosts
 With DT standby host, no manual intervention necessary in case
the DT host fails
 System automatically activates DT standby
 Database remains available during failover procedure, only DB
requests that access DT will fail
Classical HANA services
Compute
node
Hot Store
Warm Store Service
Compute
node
Standby
node
Auto-
Failover
Standby
node
Warm Store
Auto-
Failover
mirror
mirror

Host Auto Failover for Dynamic Tiering Hosts
High availability within database cluster
How to set up DT system for host auto failover
System needs two DT hosts
 Add one with role “EXTENDED_STORAGE_WORKER”
 Add second one with role “EXTENDED_STORAGE_STANDBY”
 Both hosts need to have the same hardware layout
 Add hosts during installation or later (in hdblcm(gui))
Take care of assigning correct failover group:
 DT worker and standby must be in the same, dedicated failover group
 A host can only be standby for HANA workers or dynamic tiering
workers, not for both at the same time.
 If you want standby for HANA and dynamic tiering workers, you need
two different standby hosts Classical HANA services
Compute
node
Hot Store
Warm Store Service
Compute
node
Standby
node
Auto-
Failover
Standby
node
Warm Store
Auto-
Failover
mirror
mirror
Failover Group
„extended_storage“
Failover Group
„default“
HANA
DT

Backup & Recovery in SAP HANA Dynamic Tiering (DT)
Implementation of the BACKINT interface
Backup & recovery affects full DB
We always back up memory + disk store!
 Works the same way as in regular scale-out:
– All hosts are included in backup
– All worker processes must be running
New HANA Delta Backup not yet for DT
 Planned for future release
With SPS 10: implementation for Backint
API for 3rd party backup solutions
 See next slide for info on Backint for SAP HANA
Backint is a two-party implementation
 HANA-side implementation now also includes DT
– Backup, recovery, query backup catalog, delete
 Tool vendors implement backup agent
Add-on certification process planned
 Backup tools will need to be certified for the new
HANA+DT system
 Not included in regular Backint for HANA certification
 Certification will be offered after first pilot (Q3/Q4)
Dynamic
tiering
HANA
Index
server
One Data backup
Name
server
XS
engine
DT
table
spaces

SAP HANA Backup and Recovery
3rd party backup tools: “Backint for SAP HANA” API
SAP HANA provides a backup/recovery API for
connecting 3rd party backup tools
 For both data and log backups
 “Backint for SAP HANA” API can be implemented by a
3rd party backup agent (certification required)
 Provides functions for backup, recovery, query, delete
 3rd party backup agent runs on the SAP HANA server,
communicates with 3rd party backup server
 Backups are transferred via pipe
 Direct integration with SAP HANA:
– Data backups to Backint can be triggered/scheduled
using SAP HANA studio, SQL commands, or DBA
Cockpit
– Log backups are automatically written to Backint (if
configured)
SAP HANA
Database
3rd Party
Backup
Server
3rd Party
Backup Agent
SAP HANA
studio
Backup/
recovery

Single backup location for HANA and DT processes
Single backup location for HANA and DT
Previously (SPS 09):
 DT had dedicated location for data and log backups
 Parameters: global.ini | [Persistence] |
basepath_databackup_es / basepath_logbackup_es
New situation (starting with SPS 10):
 DT and HANA backups always written to same
location
 Parameters: global.ini | [Persistence] |
basepath_databackup / basepath_logbackup
 These locations must be accessible from all hosts of
the system, including the DT host
Consequence of new backup location
Upgrade to SPS 10 breaks backup history
Upgrade preparation:
 Create final data backup before upgrade
 Stop database:
sapcontrol -nr <instance> -function stopsystem HDB
 On file system, move old data and log backups of
dynamic tiering from previous location to global HANA
backup locations
[This ensures that system finds log backups after update]
Then upgrade HANA + DT to SPS 10-level
Post-upgrade step:
 After upgrade, point-in-time recovery is unavailable
 Create full database backup to enable PITR again

Co-Deployment of HANA and DT on single host
Non-Productive Scenario: Co-Deployment of HANA and DT on single
host
In SPS 10 supported, including backup/recovery
 Only supported for non-productive installations
Installation
 Install HANA and DT server software as usual
 Do not add a second host (DT host) during installation
 For data and log of DT, choose either dedicated location (hana/data_es/<SID>)
or same as HANA location (e.g. /hana/data/<SID>)
Add „extended_storage_worker“ role to the HANA host
 Must configure using hdbmodify – not configurable through hdblcm/hdblcmgui
 /hana/shared/<sid>/global/hdb/install/bin/hdbmodify
--add_local_roles=extended_storage_worker --
listen_interface=global
 This starts the esserver process on the HANA host
Then create extended storage as always
 Using SQL or SAP HANA Cockpit
SAP HANA host
indexserver esserver
daemon nameserver xserver
Roles „worker“ and „extended_storage_worker“

Multitenant Database Containers (MDC)
MDC setups with SAP HANA dynamic tiering
SAP HANA dynamic tiering is now also available for tenant databases
 Each tenant database can be associated with zero or one extended stores
 Each extended store is dedicated to exactly one tenant database
 Each extended store requires a dedicated dynamic tiering host
SAP HANA system with MDC and dynamic tiering
Compute node
System Database
Compute nodeCompute node
Tenant Database <B>
Extended Store
Tenant Database <A>
Tenant Database <C>
Extended Store
Classical HANA (single-node or scale-out)
DT Host <B> DT Host <C>

Multitenant Database Containers (MDC)
Details of using dynamic tiering in MDC setups
Installing DT in an MDC setup
Install DT software as usual
 During HANA installation or add at later point in time
Add DT hosts
 Add one „Dynamic Tiering Worker“ for each tenant DB
that needs dynamic tiering
 If required, also add „Dynamic Tiering Standby“ hosts
 Make sure each host has unique location for DT data
and log volumes
Create Extended Storage for tenant DBs
 In each tenant DB:
– Add esserver: ALTER DATABASE <name> ADD
'esserver' AT <host:port>
– Import delivery units for dynamic tiering into tenant DB
– Create extended storage in tenant DB
 For full details: see administration guide for dynamic
tiering at http://help.sap.com/hana_options_dt (SPS 10)
Backup & Recovery with DT and MDC
File-based Backups
 Backup/Recovery of tenant database includes its extended
storage
 No functional differences to MDC without DT
Backint
 DT implementation of Backint does not cover MDC
 Planned for future release
Other properties and limitations in SPS 10
Cross-tenant queries
 Not yet supporting cross-tenant access to extended tables
Tenant isolation
 Strong tenant isolation is not yet supported
Licence management
 Single DT license for entire HANA system
 DT license sets cumulative size limit for all tenant DBs

Five New Monitoring Views for Dynamic Tiering with SPS 10
M_ES_OVERVIEW
 Tabular information on important system properties
 Version, block and buffer usage, backup status, and more
M_ES_DELTA_MEMORY
 Lists all extended tables that are delta-enabled
 Plus delta memory usage broken down by components
M_ES_CONNECTIONS
 Lists information about processes running in dynamic tiering
– test
 Connection and user ID, type of command being executed, number of threads used by
the connection, time since last request was entered through the connection, and more
M_ES_TRANSACTIONS
 Lists active transactions running in dynamic tiering
 Connection and user ID, state of transaction (ACTIVE, COMMITTING, etc.), start time,
and more
M_ES_LOCKS
 Lists information about all locks currently held in extended store
 Connection and user id that has the lock, the table and row(s) that are locked, the type of
lock (SHARED, READ, WRITE…), and more
DT has its own connection management
 DT connections are linked to HANA connections
 View M_REMOTE_STATEMENTS
– CONNECTION_ID = HANA Connection (e.g. from
M_CONNECTIONS)
– REMOTE_CONNECTION_ID = DT Connection (from
M_ES_* views)
 Find all DT-connections of HANA user RICHARD:
select * from
M_REMOTE_STATEMENTS as A inner join
M_ES_CONNECTIONS as B
on A.REMOTE_CONNECTION_ID =
B.CONNECTION_ID
where A.USER_NAME = 'RICHARD'

New SAP HANA Cockpit Tiles Related to Dynamic Tiering
Two new Tiles in SAP HANA Cockpit
User Tables
 Determine tables that are candidates for
conversion to extended tables
Dynamic Tiering Server Configuration
 View and Change parameterization of SAP HANA
dynamic tiering database process (esserver)
Two new roles for DT Tiles
Monitoring user (view DT tiles)
 sap.hana.tiering.roles::Monitoring
Administer DT (change configuration etc.)
 sap.hana.tiering.roles::Administration
 Includes Monitoring role and system privilege
EXTENDED STORAGE ADMIN
Required only for the DT tiles
 You also need the regular admin/monitoring roles
to access SAP HANA Cockpit itself

SAP HANA Cockpit
New tile: Dynamic Tiering Server Configuration
Tile to edit esserver.ini entries:
• ‘esserver.ini’ is the configuration file for the DT server
• Click on “Edit” button at bottom right of screen to delete
or modify existing entries in the esserver.ini file.
Examples:
• delta_memory_mb: amount of memory available to
store delta enabled extended tables
• num_threads: maximum number of threads to be
used by DT server
• There is also a ‘+’ sign at the top right of the screen to
set additional DT server configuration parameters
(parameters that should be set only with the help of a
support engineer)
• These new entries become part of the esserver.ini
file

SAP HANA Cockpit
New Tile „Table Usage"
Find candidates for extended tables
Combine size and usage information
 Only displaying HANA column tables
 Table size in MB/GB
 Number of read operations on table
 Number of write operations on table
Convert table to extended table
 Select one or multiple tables
 Convert to extended tables
 Control delta creation in conversion

Security
Audit logging for management of extended storage
Changes to the configuration of a dynamic tiering system
New group of audit actions „SAP HANA Dynamic Tiering“
 Audit creation, change and dropping of extended storage

SAP HANA Enterprise Information Management
Can now be used with extended tables
 Include extended tables in flow graphs
 As data source or data sink
 Based on tasks or stored procedures
Value Proposition
 Load into extended tables from within HANA system or external data sources
 Model and schedule data movement between in-memory and extended tables
 Data staging in native HANA data warehouses
EIM Flow Graphs with Extended Tables

SAP Data Warehousing Foundation
Data Lifecycle Manager (DLM)
Optimize the memory footprint of SAP HANA
 Leverage SAP HANA Dynamic Tiering, Hadoop or
SAP Sybase IQ with a tool-based approach to
setup an aging strategy
 Optimize memory footprint in SAP HANA
native use cases
 Define data slices on SAP HANA tables to be
displaced from SAP HANA memory
 Optimize union access between the tables
Automated Data Movement between stores
 Generated Stored Procedures to do data mass
movement – in and out
 Schedule data movement using HANA tasks
Planned for Q3/2015

Future Direction
SPS 11 and beyond (2016/2017)
Today
SAP HANA SPS 10
This is the current state of planning and may be changed by SAP at any time.
Outlook SAP HANA dynamic tiering
Summary
 Technical integration
– Common installer
– Integrated administration & Monitoring
– Support for DT in multitenant database containers (MDC)
 Enterprise Readiness
– Host auto-failover, support for storage connector API
– Convergence of file-based backup; Implementation of Backint API
 Functional integration
– Global database catalog
– Cross-store optimizer
– Support in Calculation Models
– Performance optimization for BW data loads
– Enable use of DLM tool to manage extended tables
– Enable HANA EIM to use extended tables in data flows
 Extend enterprise readiness
– Delta backup mechanism
– Full backup/restore integration
– Storage Snapshots
– Integration with system replication
 Focus: Data Volume Management
– Native data lifecycle management
– Scale-out for extended store
 Functional integration
– Support for special functionalities
(series data, geospatial, …)
– Unstructured data, search, …

Outlook: extended usage of dynamic tiering in BW
Use extended tables in transformation and propagation layer
BW – Operational Data
Data Categories in a BW System
Staging Layer
Analytic Mart
Business Transformation
Corporate
Memory
EDW Propagation
EDW Transformation
Archive/NLS
Archived
Planned with BW 7.4 EhP 1 (Q4 2015):
Use extended tables for „warm“ part of transformation and propagation layer (advanced DSOs only)
EDW Propagation
EDW Transformation

PLANNED INNOVATIONS Future DirectionToday
This is the current state of planning and may be changed by SAP at any time.
(BW. 7.4 SP08 + HANA SPS 09) (planned for BW 7.4 EhP 1+ HANA SPS 10) (2016 / 2017)
Outlook: SAP BW & dynamic tiering
Summary
 PSA
 Write-optimized DSO
 “advanced“ DSO (inbound table only)
Target:
 Staging area and corporate memory
 ~20% of BW data footprint
 All major “advanced” DSOs
– Full tables / providers only
– Data separation via simple
“data flow split”
Target:
 As before + „warm“ parts of
propagation & transformation layer
 ~40% of BW data footprint
 Optimizations of reporting/read
access for data in DT
 Optional integration of NLS storage
into dynamic tiering
Target:
 As before + „warm“ parts of
reporting layer
 Max. 70% of data footprint
Remark: SAP NLS with SAP IQ is not replaced by the BW integration of HANA dynamic tiering. NLS is a powerful and sophisticated archiving
solution. It is complementary to dynamic tiering and part of the multi-temperature data lifecycle management of BW. Depending on the scenarios,
data growth and architecture our customers have the option to use both “tiers” or just one.

Where do I find more information on SAP HANA dynamic tiering?
Public Documentation:
http://help.sap.com/hana_platform
 Navigate to SAP HANA Options • SAP HANA Dynamic Tiering
 Covers only DT-specific information
i.e. add-on to SAP HANA platform documentation
Videos in the SAP HANA academy
 http://scn.sap.com/docs/DOC-59988

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