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SAP HANA SPS 09 - Whats NewAdministration & Monitoring
SAP HANA Product Management Nov(Delta from SPS08 to SPS09)
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2014 SAP SE or an SAP affiliate company. All rights reserved.
Content
This presentation provides an overview of the main changes regarding administratio
supportability of the SAP HANA database between the SPS 08 version and the SPS
It covers changes to the SAP HANA cockpit, the SAP HANA studio administration pe
changes to the SAP HANA database.
Functionality of other SAP HANA studio perspectives (like the SAP HANA Modeler) i
this presentation.
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Agenda
Improved Monitoring and Supportability
New SAP HANA cockpit
New SAP DB control center
SAP HANA multitenant database containers
SAP HANA studio enhancements
Statistics service enhancements
Improved resource monitoring
Additional Features
Shortened restart time
Changed web dispatcher configuration
New/enhanced monitoring views
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Improved Monitoring and
Supportability
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Improved Monitoring and Supportability
SAP HANA Cockpit and SAP DB Control Center
Overview
SAP HANA cockpit Web-based tool for administration and monitoring of a single SAP HANA database
SAP DB Control Center
Web-based tool for administration and monitoring of your landscape of SAP databases
Theme for SPS09: Support thousands of SAP Databases in Data Center or Cloud
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Improved Monitoring and Supportability
SAP HANA Cockpit
New web-based monitoring tool
First version of SAP HANA cockpit available in additionto the SAP HANA studio
Is an SAP Fiori Launchpad site that provides single
point-of-access to a range of web-based applications for
the administration of SAP HANA
Is installed with SAP HANA as automated content
Displays content as tiles arranged in groups
The default homepage of tiles is customizable by
modifying existing groups and creating new groups; tiles
can be removed and added from any of the available tile
catalogs
Implements a role-based concept so that users only have
access to those tile catalogs for which they are
authorized
Provides access to SAP HANA Administration Guide
http://:/sap/hana/admin/cockpit
Can also be opened from SAP HANA studio context
menu
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Improved Monitoring and Supportability
SAP HANA CockpitDatabase Status
Database Status Tile and Application
The overall database status isdisplayed on the Database Status
tile.
Open the Database Statusapp by
clicking the tile.
The status of all the services in the system is displayed.
For each service, detailed information about its memory
and CPU consumption is available.
If high priority alerts exist, this is shown on the tile as wellas in the app. Direct access to theAlertsapp is provided
for further analysis of such alerts.
The view is customizable, further columns can be added.
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Improved Monitoring and Supportability
SAP HANA CockpitAllocation Statistics
Allocation Statistics Application
You can visualize and explore the memory allocationhistory of the components of each service in the SAP
HANA database using the Memory Allocation Statistics
app
Open the Memory Allocation Statistics app from the
Database Status app by clicking the value in Used
Memory column of the service whose memory allocation
history you want to see.
Tip: If the Used Memory column is not visible, click theconfiguration button in the footer toolbar and select it.
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Improved Monitoring and Supportability
SAP HANA CockpitAlerts
Alert Tile and Application
A summary of all latest alerts is availableon the homepage of SAP HANA cockpit.
To get more information about these alerts
and to analyze the historical occurrence
of alerts, you can drill down into theAlertsapp.
All latest alerts are displayed in list format on the left. To
see more detailed information about a specific alert on
the right, simply select it.
The details include a display of past occurrences of thisalert.
To see all alerts, clickAll Alerts in the footer toolbar.
Options for filtering, searching, and sorting are available
to customize the list of alerts.
To get to the check configuration, click the Configuration
icon in the footer toolbar.
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Improved Monitoring and Supportability
SAP HANA CockpitChecks
Check Tile and Application
All checks are displayed in list format onthe left. To see more detailed information
about a specific check on the right,
simply select it.
The following configuration options are
possible for checks:
Change the threshold values that trigger alerts of
different priorities.
Set up e-mail notifications so that specific people areinformed when alerts are issued.
In addition, you can perform the following actions on
checks:
Run checks on a once-off basis, regardless of their
configured schedule or status
Switch checks off and on
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Improved Monitoring and Supportability
SAP HANA CockpitMemory Usage
Used Memory Tile and Memory Overview Application
Indicates total amount of memory currentlyused by the SAP HANA database in relation
to the allocation limit
For multiple-host systems, values are
displayed for all worker hosts.
The host with the highest
(most critical) memory usage is
also shown.
This tile provides access to the
Memory Overview app where you can analyze current
memory usage in more detail.
If the system is distributed, memory usage is available
for each host individually. The initial view shows the
memory usage of the master host. You can switch
between hosts as necessary.
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Improved Monitoring and Supportability
SAP HANA CockpitCPU Usage
CPU Usage Tile and Resource Utilization Application
Indicates the percentage of CPU used bythe SAP HANA system
For multiple-host systems, values are
displayed for all worker hosts.
The host with the highest
(most critical) CPU usage is also
shown.
This tile provides access to the
Resource Utilization app where
you can visualize and explore the usage history of key
system resources (CPU, memory, and disk).
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Improved Monitoring and Supportability
SAP HANA CockpitDisk Usage
Disk Usage Tile and Resource Utilization Application
Indicates disk usage on disks belonging tothe SAP HANA database
Values are displayed for all disks.
The disk with the highest (most
critical) disk usage is also shown.
This tile provides access to the
Resource Utilization app where
you can visualize and explore the
usage history of key system
resources (CPU, memory, and disk).
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Improved Monitoring and Supportability
SAP HANA CockpitFurther Tiles I
System Restarts Tile
Indicates the number of services that have been manually or automatically restarted. If restarts have been detected, this tile provides access to theAlertsapp where you can view the related
alerts.
Number of Dumps Tile
Indicates the number of dump files in the system's trace directory.
This tile provides access to the Tracetool of the SAP HANA Web-based Development Workbench.
Note: The Tracetool of the SAP HANA Web-based Development Workbench opens in a new window an
requires additional roles, either sap.hana.xs.ide.roles::TraceViewer or the parent role
sap.hana.xs.ide.roles::Developer.
Manage Users and Roles Tile
Provides access to the Securitytool of the SAP HANA Web-based Development Workbench where you
provision users
Note: The Securitytool of the SAP HANA Web-based Development Workbench opens in a new window
requires additional roles, either sap.hana.xs.ide.roles::SecurityAdmin or the parent role
sap.hana.xs.ide.roles::Developer.
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Improved Monitoring and Supportability
SAP HANA CockpitFurther Tiles II
Manage Application Lifecycle Tile
Provides access to SAP HANA Application Lifecycle Management Note: SAP HANA Application Lifecycle Management opens in a new window and requires the additiona
sap.hana.xs.lm.roles::Administrator.
Tiles without drill down
Query Load
Indicates the number of current blocked transactions in the system, as well as expensive statements
recorded by the expensive statements trace
Active Sessions
Indicates the number of current running and idle sessions in the system
Running Jobs
Indicates the number of jobs currently in progress
General Information
Provides information about system version, time of last upgrade, and platform
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Improved Monitoring and Supportability
SAP HANA CockpitFurther Catalogs
Further Catalogs
Applications that provide coreadministration and monitoring features
are available by default.
Applications that allow you to manage
optional components are only available if
the optional component has been
installed.
Examples:
SAP HANA dynamic tiering SAP HANA smart data streaming
SAP DB Control Center
Groups can be managed using the Group
Panel, all available catalogs and tiles are
shown in the Tile Catalog
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Improved Monitoring and Supportability
SAP DB Control Center
SAP DB Control Center
Lets you perform aggregate monitoring of SAP databaseproducts, including SAP HANA
Use control center to check the overall health of systems
located within a data center or across your enterprise.
Status displays focus on four high-level areas:
Availability
Performance
Capacity
Alerts
Drill-down into details opens the systems cockpit (e.g.
SAP HANA cockpit) which provides more information
about the availability, capacity, performance, and alert
status of the system
http://:/sap/hana/dbcc
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Improved Monitoring and Supportability
SAP HANA Multitenant Database Containers: Overv
Multitenant database containers are a new way to run multiple applications/scenario
HANA system 1 system database and multiple tenant databases
Shared installation of database system software
Strong isolation features, the system database and each
of the tenant databases have their own:
database users,
database catalog,
repository,
persistence, backups,
traces and log files
Distinction between tasks performed at system level and
those performed at database level
Integration with data center operation procedures
*tenant
Applicatio
SAP HANA sy
Tenant
database
System
database
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Improved Monitoring and Supportability
Multitenant Database Containers: Monitoring Concep
Specific properties of SAP HANA multitenant database containers regarding adminis
The system database plays a central role It is responsible for overall system and resource monitoring
It can initiate both restarts of the system database itself and of individual tenant databases
It can initiate both backups of the system database itself and of individual tenant databases.
Recoveries are always initiated by the system database
Tenant databases are always created/dropped by the system database
Resource limits for tenant databases are configured on the system database
Tenant databases are monitored individually
Alert, trace, parameter and user configuration is done for each tenant database individually
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Improved Monitoring and Supportability
SAP HANA Multitenant Database Containers: Monito
Monitoring Tools
SAP HANA studio has been adapted to be able to Connect to the system database and any tenant database
Display the database type in the Systemsview
Monitor the system database and any tenant database using theAdministration
editor
Change database specific parameters
SAP HANA cockpit can be used to monitor the system database and any tenant
database
DBACockpit and Solution Manager can be used to monitor the system database andany tenant database
I d M it i d S t bilit
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Improved Monitoring and Supportability
SAP HANA StudioSQL Editor
SQL Editor
As a default, all SQL statements are now preparedbefore they are executed
You can change the default behavior in the studio
preferences
I d M it i d S t bilit
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Improved Monitoring and Supportability
SAP HANA StudioExtended Performance Analysis
Plan Visualizer - Overview
Visualization of execution plans will automatically display anOverviewpage
Key KPIs are displayed to provide an overview before
starting a detailed details
Plan Visualizer - Statement Stat
Visualization of execution plans for SQalso displays a set of statistics for eac
involved in the procedure
Provides easy drill-down into the mos
statement
I d M it i d S t bilit
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Improved Monitoring and Supportability
SAP HANA StudioExtended Performance Analysis
Plan Visualizer - Tables Used
Provides an overview on which tables have been usedduring the processing of a statement
Displays 3 metrics per table:
maximum number of entries processed, i.e. the
overall output cardinality of any processing step
on that table in the statement execution.
number of accesses, i.e. how often a table has
been accessed during statement execution
maximum processing time, i.e. the maximumprocessing time across the possibly multiple table
accesses
Double-clicking on any row (table) leads to a corresponding operator list filtered for physical operators a
table.
I d M it i d S t bilit
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Improved Monitoring and Supportability
SAP HANA StudioExtended Performance Analysis
Plan Visualizer - Network
For queries executed in a distributed landscape, the Networkview visualizes sequentialnetwork data transfers between different servers based on their given timestamps
Information displayed:
X-axis: servers involved
Y-axis: time elapsed since query execution
duration of network data transfers represented by rectangular bars
size of data transferred in bytes
Plan Visualizer - Performance Trace Displays list of operators for which performance trace data exists
The data can be viewed by selecting any of the operators
given in the list.
The view consists of two main sections:
left: list of operators you can select to view performance
trace data
right: performance trace data for the selected operator
Impro ed Monitoring and S pportabilit
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Improved Monitoring and Supportability
SAP HANA StudioExtended Performance Analysis
Plan Trace
Collects SQL queries (along with their execution plans)executed in a given time frame for a particular application
(session).
Only 'SELECT' statements are currently traced - all other
kinds of statements including procedures are planned
to be supported in the future
Plan trace configuration can be accessed in two ways:
Context menu on a particular session inAdministration
editor -> Performance -> Sessions
Administrationeditor -> Trace Configuration tab
When an active trace is stopped, the Plan Trace Editor
will be opened automatically, displaying the traced queries
Double-clicking a particular statement (or using the
context menu entry 'Visualize Plan) displays the execution plan
Improved Monitoring and Supportability
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Improved Monitoring and Supportability
SAP HANA Web-based Development Workbench
SQL Console Extended SQL Console (part of the "Catalog" perspective) to support implicit
and explicit performance measurement while executing a SQL statement
Implicit performance measurement provides
Execution Time information: DB, XS, and frontend layer
Additional information: table locks, system alerts.
Detailed performance analysis supports the repeated execution of statements
thus allows to check whether performance characteristics are stable
Expensive Statements Trace Available in the "Trace" perspective Supports filtering for passport-based application sessions
For each statement metrics such as start time, number of processed
records, etc. are displayed
Summary provides information on the overall SQL load:
number of statements executed
number of unique statements executed
number of result records
Improved Monitoring and Supportability
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Improved Monitoring and Supportability
Embedded Statistics Service
Re-activating Checks
If the SQL statements to collect data suffer from heavy overall system load and do not return in the exp
corresponding check or data collector is deactivated automatically.
With SPS09 such checks and collectors get automatically enabled again after a specific interval (defaul
New Alerts
Several new checks/alerts have been created in the areas of
System Replication
MVCC
Discrepancy between host server times
Disk usage in multiple-container systems SAP HANA dynamic tiering
SAP HANA smart data streaming
Improved Monitoring and Supportability
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Improved Monitoring and Supportability
Memory Limit Enhancements
Memory Limit Enhancements
User specific memory limit in addition to the global statement memory limit
ALTER USER SET PARAMETER STATEMENT MEMORY LIMIT =
If both a global statement memory limit and a user statement memory limit are set, the user specific o
will precede
Unsetting the user parameter will bring the global statement memory limit into effect for the user
Setting the user parameter to 0 will disable any statement memory limit for the user
You can set the statement memory limit for a user in the Usereditor of the SAP HANA studio.
Statement Memory Limit Threshold Parameter statement_memory_limit_threshold in file global.ini, section memorymanager
Allows to specify a percentage of total memory (as per global_allocation_limit).
If this parameter is set, the global or user statement_memory_limit is only evaluated, if the total memo
threshold.
No statements have to be cancelled if the total memory usage is below this threshold.
This feature allows expensive statements, which consume more than the allowed statement memory
successfully during periods of low load, e.g. during the night.
Improved Monitoring and Supportability
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Improved Monitoring and Supportability
CPU Time Measurement
CPU Time Measurement
Resource consumption collection has to be enabled manually:
Configuration file global.ini, section resource_tracking, parameters enable_tracking and cpu_time_me
Expensive statements trace contains column CPU_TIME which shows the CPU usage of the traced sta
Monitoring view M_SERVICE_THREADS shows CPU time values in columns CPU_TIME_SELF (CPU
CPU_TIME_CUMULATIVE (CPU time of thread and associated children)which are also shown in the
Administrationeditor in HANA studio
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Additional Features
Additional Features
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Additional Features
Shortened Restart Time
Fast HANA Restart
Restart time of SAP HANA is mainly determined by the time needed to load the row store into memory
Whenever the database was shutdown normally, the restart can be significantly sped up by re-using exi
memory segments
Parameter to enable this feature: file indexserver.ini, section row_engine: keep_shared_memory_over_
Preconditions for fast restart:
Usage of Embedded Statistics Service
Restart after normal shutdown
During index server shutdown phase
o No active write transactiono No versions on row store tables
o No locks on tables
Trace files indicate which kind of restart happens:Shutdown: Keeping RS shared memory at RowStore shutdown
Preconditions for reuse of RS shared memory is satisfied
RS shared memory will be used for RowStore segments at next service startup
Restart: Reattaching RS shared memory for RowStore segments2 RS segments loaded in 0.28 sec (457.143MB/s)
Additional Features
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Additional Features
Web Dispatcher
Web Dispatcher
The internal HANA Web Dispatcher has been converted to a native HANA service named "webdispatch
previous standalone executable "sapwebdisp_hdb".
Main benefits and changes:
Administration (start/stop) and monitoring (CPU, memory) of the internal web dispatcher are now ava
Configuration via webdispatcher.iniin HANA studio. The previous profile sapwebdisp.pflis removed, s
automatically.
Changed trace file name to webdispatcher_._dev_webdisp.
Additional trace file webdispatcher_...trc contains information like
configuration changes etc. The web dispatcher admin tool is now accessible at http://:/sap/hana /xs/wdisp/admin. L
user that has role sap.hana.xs.wdisp.admin::WebDispatcherAdmin to use it.
In particular, you can use this tool to manage SSL certificates and other personal secure environment
HANA. SAP's command line cryptography tool SAPGENPSE is no longer required.
Additional Features
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Additional Features
Monitoring Views
Enhancements regarding monitoring views
The load monitor data is now available in SQL tables (M_LOAD_HISTORY_...). This provides faster acc
allows other tools than HANA studio (e.g. SAP HANA cockpit and DBACockpit) to display a graph of the
Columns CALLER (the service which called this thread) and CALLING (the service which the thread cal
monitoring view M_SERVICE_THREAD_SAMPLES.
Enhanced MVCC monitoring (several new columns in M_MVCC_OVERVIEW, new view M_CS_MVCC)
New monitoring views for new features, e.g. multitenant database containers, streaming ,dynamic tierin
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Disclaimer
This presentation outlines our general product direction and should not be rel
a purchase decision. This presentation is not subject to your license agreemen
agreement with SAP.
SAP has no obligation to pursue any course of business outlined in this prese
develop or release any functionality mentioned in this presentation. This prese
SAPs strategy and possible future developments are subject to change and m
by SAP at any time for any reason without notice.
This document is provided without a warranty of any kind, either express or im
but not limited to, the implied warranties of merchantability, fitness for a partic
non-infringement. SAP assumes no responsibility for errors or omissions in th
except if such damages were caused by SAP intentionally or grossly negligent
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How to find SAP HANA documentation on this topic?
In addition to this learning material, you can find SAP HANA
platform documentation on SAP Help Portal knowledge center at
http://help.sap.com/hana_platform.
The knowledge centers are structured according to the product
lifecycle: installation, security, administration, development:SAP HANA Options
SAP HANA Advanced Data Processin
SAP HANA Dynamic Tiering
SAP HANA Enterprise Information Ma
SAP HANA Predictive
SAP HANA Real-Time Replication
SAP HANA Smart Data Streaming
SAP HANA Spatial
Documentation sets for SAP HANA options c
http://help.sap.com/hana_options:
SAP HANA Platform SPS
Whats New Release Notes
Installation
Administration
Development
References
http://help.sap.com/hana_platformhttp://help.sap.com/hana_optionshttp://help.sap.com/hana_optionshttp://help.sap.com/hana_platform -
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Thank you
Contact information
Melanie Handreck
SAP HANA Product Management
2014 SAP SE SAP ffili t All i ht
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are those that are set forth in the express warranty statements accompanying such products and services, if any. Nothing herein should be c
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In particular, SAP SE or its affiliated companies have no obligation to pursue any course of business outlined in this document or any related
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