TUNEHD64 SAP (Statistical Data for Internal SAP Buffers) Structure details

Dictionary Type: Structure
Description: Statistical Data for Internal SAP Buffers




ABAP Code to SELECT data from TUNEHD64
Related tables to TUNEHD64
Access table TUNEHD64




Structure field list including key, data, relationships and ABAP select examples

TUNEHD64 is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Statistical Data for Internal SAP Buffers" Information within sap ABAP programs.

This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately.

i.e. DATA: wa_TUNEHD64 TYPE TUNEHD64.

The TUNEHD64 table consists of various fields, each holding specific information or linking keys about Statistical Data for Internal SAP Buffers data available in SAP. These include AVAIL_SIZE (DEC type that is suitable for 64 bit integer), FRAME_SIZE (DEC type that is suitable for 64 bit integer), MAX_OBJCTS (DEC type that is suitable for 64 bit integer), HASH_WIDTH (DEC type that is suitable for 64 bit integer).. See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .

Delivery Class:
Display/Maintenance via tcode SM30: Display/Maintenance Allowed but with Restrictions
SAP enhancement categories: Cannot Be Enhanced


SAP TUNEHD64 structure fields - Full list of fields found in SAP data dictionary

Field Description Data Element Data Type length (Dec) Check table Conversion Routine Domain Name MemoryID SHLP
ALLOC_SIZEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
AVAIL_SIZEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
FRAME_SIZEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
MAX_OBJCTSDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
HASH_WIDTHDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
CUT_VALUEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
ACT_OBJCTSDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
CON_OBJCTSDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
USED_SPACEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
MAX_FRMESDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
ALLOC_FRMSDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
REQUESTDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
HITDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
OBJ_N_FNDDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
INSERTDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
UPDATEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
REQ_DELETEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
DELETEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
FREE_OBJCTDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
DB_ACCESSDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
DB_ACC_SVDDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
REORGDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
SWAPDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
SWAP_FRAMEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
SEARCHDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
SEARCH_INSDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
SUM_SIZEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
SUM_SIZE2DEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
MAX_SIZEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
MIN_SIZEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
REFRESHDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
SIZE_UNITDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
RESERVEDEC type that is suitable for 64 bit integer ABAP_MSIZEDEC20ABAP_MSIZE
ALLOCStorage class BUFMEMCLSCHAR1BUFMEMCLS
SMODESearch procedure BUFSMODECHAR1BUFSMODE
UP_TIMEStart time for statistics BUFUPTIMECHAR14CHAR14
LAST_REFRTime of Last Buffer Refresh BUFLSTREFRCHAR14CHAR14
NAMEArea name BUFNAMECHAR5BUFNAME

Key field Non-key field



How do I retrieve data from SAP structure TUNEHD64 using ABAP code?

As TUNEHD64 is a database structure and not a table it does not store any data in the SAP data dictionary. The ABAP SELECT statement is therefore not appropriate and can not be performed on TUNEHD64 as there is no data to select.

How to access SAP table TUNEHD64

Within an ECC or HANA version of SAP you can also view further information about TUNEHD64 and the data within it using relevant transactions such as

SE11 (ABAP Dictionary Maintenance)
SM30 (Maintain Table Data)
SE80 (Object Navigator)
SE16 (Data Browser).


Search for further information about these or an SAP related objects



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