What's new in IMS High Performance Load

This topic summarizes the technical changes for this edition. Changes include publication updates and product enhancements.

New and changed information is denoted either by a character in the left margin or by blue carets (Symbol that indicates the start of new or changed content and Symbol that indicates the end of new or changed content) at the beginning and end of the new or changed information. Editorial changes that have no technical significance are not noted.

Start of change

SC18-9222-08 (June 2019)

This edition covers the functional changes that are provided by the following APARs:
  • PI65917, PI67773, PI69221, PI79464, PI88156, PI93142, PI97034, and PH00974

Major changes are as follows:

APAR PI67773
Use the CHKTRAIL control statement to skip record count check in Physical Sequence Sort for Reload (PSSR) processing. For more information, see the following topics:
APAR PI69221
Use the new parameter for the ILDSBLD control statement, YES,COND, to let IMS™ HP Load decide whether to apply ILDSBLD=YES,DSPR (rebuild ILDS) or ILDSBLD=YES,INITONLY (initialize ILDS without rebuilding it). For more information, see ILDSBLD control statement.
APAR PI79464
IMS HP Load has been enhanced to support IMS managed ACBs. For more information, see the following topics:
APAR PI88156
Use the ZIIPMODE control statement to offload IMS HP Load processing to System z® Integrated Information Processor (zIIP). For more information, see the following topics:
APAR PI93412
If IMS HP Load is being called from an IMS Online Reorganization Facility job, you can use the DELOLPART control statement to delete unloaded records that will not be reloaded to the HALDB partitions. For more information, see DELOLPART control statement.
APAR PH00974
Use the BYTELIMIT control statement to specify the maximum number of bytes for a database record that can be inserted into the root addressable area. For more information, see BYTELIMIT control statement.
APAR PH11351
The behavior of the EXTENT control statement option has been changed. When HPIO=YES, the extension number is checked every time an extent is allocated to prevent allocating extents more than the maximum allowable number of extents. For more information, see EXTENT control statement. Also, the value of the EXTENT control statement can be specified as a site default value in the site default option table.
End of change

SC18-9222-07 (June 2016)

This edition covers the functional changes that are provided by the following APARs:
  • PI47265, PI50574, PI51537, and PI53313

Major changes are as follows:

APAR PI50574
You can now sort PHIDAM database before loading the database. For more information, see SORTHIDAM control statement.
APARs PI51537 and PI53313
You can use the new COMPAUTH control statement to call the segment compression exit in supervisor state. For more information, see COMPAUTH control statement.

SC18-9222-06 (February 2015)

This edition covers the functional changes that are provided by the following APARs:
  • PM77018, PM79675, PM82937, PM87663, PM93095, PM94706, PM94789, PI05052, PI08722, PI14950, PI17977, PI18626, PI24722, PI27637, and PI30089

Major changes are as follows:

APAR PM79675
You can use the new TWINSTAT control statement to print statistics about the twin chained segments in the Segment Statistics report. For more information, see TWINSTAT control statement.
APARs PM82937 and PI05052
You can use the new PAD control statement to specify the padding character to fill out the segments to adjust to the length defined in the DBD definition. For more information, see PAD control statement.
APAR PM94789
  • This APAR enhances IMS HP Load to enable the Smart Reorg utility of IMS Database Reorganization Expert rebuild partitioned secondary indexes (PSINDEXes).
  • You can use the new INITONLY parameter for the ILDSBLD control statement. If you specify this parameter, IMS HP Load initializes ILDSs without building ILEs. For more information, see ILDSBLD control statement.
APAR PI14950
You can use the new CHKEMPTYUL control statement to check whether the unloaded data set contains segment data. You can also define the return code that is set when no segment data is found in the unloaded data set. For more information, see CHKEMPTYUL control statement.
APAR PI27637
Support for IMS Version 14 Release 1 has been added.

SC18-9222-05

This edition covers the functional changes that are provided by the following APARs: PK97074, PK96383, PM00732, PM01857, PM07578, PM21339, PM22118, PM28920, PM31499, PM43460, PM39207, PM46445, PM47889, PM52305, PM57126, PM58706, PM61441, PM60645, PM61213, PM62216, PM65263, and PM68882.

Major changes are as follows:

APARs PM00732 and PM58706
IMS HP Load has been enhanced to support IMS Tools Base IMS Tools Knowledge Base. You can store the reports that are generated by IMS HP Load in the Output repository of IMS Tools Knowledge Base. For more information, see Configuring the IMS Tools Knowledge Base server.
APAR PM07578
You can create a generation data group (GDG) base entry when DFSURWF1 is defined as a generation data set and when a GDG base does not exist. For more information, see GDGBASE control statement.
APARs PM22118 and PM65263
Support for IMS Version 12 Release 1 has been added.
APAR PM46445
DDEFPDS DD statement has been supported. You can use this DD statement to specify the IDCAMS commands to delete or to define database data sets while you reload the database. For more information, see JCL requirements.
APAR PM62216
You can create WFP data sets, which are work data sets for rebuilding PSINDEXes with IMS Index Builder. By using the WFP data sets as input to IMS Index Builder, you can rebuild PSINDEXes without scanning the database. For more information, see HPSRPnnn DD statement in JCL requirements.
APAR PM68882
You can use the REPAIRILK control statement to reassign ILKs. By reassigning ILKs, you can prevent duplicate segment ILKs. For more information, see REPAIRILK control statement.

SC18-9222-04

This edition covers the functional changes that are provided by the following APARs: PK64733, PK66948, PK71096, PK72387, PK73015, PK74299, PK75509, PK76659, PK78922, PK88818, and PK95918.
Major changes are as follows:
APAR PK73015
Two new control statements are added:
  • The BMSETDSG control statement specifies the threshold value for the bitmap block. For more information, see BMSETDSG control statement.
  • The WF1REC control statement specifies whether to write the WF1 records in the DFSURWF1 or HPSRSINDX output work data set. This control statement is useful when you do not need the WF1 records for the secondary index or logical relationships. For more information, see WF1REC control statement.
APAR PK74299
Support for IMS Version 11 Release 1 has been added.
APAR PK75509
The SORTHIDAM control statement is added. This control statement specifies whether to run the sort processing before the load process starts for an HIDAM database. For more information, see SORTHIDAM control statement.
APAR PK88818
The following enhancements are made:
  • The CHKTRAIL control statement is added. This control statement specifies whether to check if a trailer record exists in the *HD or *SH format of the unload data set. For more information, see CHKTRAIL control statement.
  • Support for installation default options is added. For more information, see Setting installation default options.
APAR PK95918
*CP format (the communication industry partitioned format) is supported as an input for reload.

SC18-9222-03

This edition covers the functional changes that are provided by the following APARs: PK37945, PK42361, PK42845, PK44725, PK46331, PK46593, PK48420, PK52055, PK54068, PK57506, PK58296, and PK59570.

Major changes are as follows:

APAR PK48420
A new option is added to the PARTINIT control statement. By enabling this option, you do not need to set the PARTITION INIT NEEDED flag in the DBRC RECON for the partitions that do not contain any segment after reload.
APAR PK54068
This APAR enables the IPR Reload utility to store several IPR Reload utility reports in the output repository of IMS Tools Knowledge Base.
APAR PK57506
A new option is added to the ILDSBLD control statement. This option enables the rebuild of ILDS by using less data space than ILDSBLD=YES.
APAR PK59570
This APAR enables the validation of changes in the compression routine during reorganization.

SC18-9222-02

This edition covers the functional changes that are provided by the following APARs: PK16004, PK18989, PK21494, PK28098, PK33129, and PK34472.

Major changes are as follows:

APARs PK16004, PK18989
The OADSPR control statement is provided to reduce the usage of data space when the overflow area of (P)HDAM is processed.
APAR PK21494
A new option COND, is added to the SORT control statement. With this option, you can run the physical sequential sorting depending on conditions.
APAR PK28098
Support for IMS Parallel Reorganization Version 3 Release 2 has been added.
APAR PK33129
Support for IMS Version 10 Release 1 has been added.
APAR PK34472
The SORT control statement is supported for the reload task of the IPR Driver. To use this function, APAR PK33846 must be applied to IMS Parallel Reorganization Version 3 Release 2.

SC18-9222-01

This edition covers the functional changes that are provided by the following APARs: PQ97799, PK07435, PK09141, PK10654, PK10446, PK11532, and PK12257.

Major enhancements are as follows:

APARs PK07435, PK09141
These APARs provide the LOAD API interface. It makes the initial load process much faster than the DL/I load the database and provides the statistics about the database. These APARs also provide a new control statement SORT to specify whether to run the physical sequential sort processing before the load process starts.
APAR PK10446
This APAR provides the Bitmap Resetter function. Bitmap Resetter is a utility that changes the bitmap data.
APAR PK12257
This APAR supports a new control statement, CHKUPDT, to enable IMS HP Load do a check against DBRC to see whether an update of the database has been done between unload and reload processes.

Changes in Version 1

The following items describe the publication updates and product enhancements of IMS High Performance Load for OS/390®, Version 1.

SC27-0938-01

This edition incorporates documentation changes that are made in the following APARs for IBM® IMS High Performance Load for OS/390:

Overall:
  • APAR PQ57582: Support to run under IMS Version 8
For the Load utility:
  • APAR PQ47222: Restrictions added for the utility
  • APAR PQ51000: Description of DATASPACE=YES changed and its message added
  • APAR PQ51495: Message HPSR3695E added
  • APAR PQ53316: Support for HISAM and SHISAM
  • APAR PQ54113: Support for HISAM and SHISAM
  • APAR PQ54734: Description added for the user exit interface
  • APAR PQ59763: Description added for COMP=
  • APAR PQ59841: Support for the DECODE option of IMS Parallel Reorganization for z/OS® Version 2
  • APAR PQ61147: Message HPSR3674E added
  • APAR PQ62856: Support for SEQERROR=ACCEPT
  • APAR PQ69009: Support for user header conversion exit
For PSSR:
  • APAR PQ48740: Support for HIDAM
  • APAR PQ52914: Description for key compress segments added
  • APAR PQ61148: Message FAS3642E added
  • APAR PQ67346: Description of the SORT parameter corrected
  • APAR PQ67957: Support for the PAD parameter of the Segment Edit/Compression exit routine
SC27-0938-00
This edition covers IMS High Performance Load for OS/390 Release 1. The product is a follow-on of the IMS System Utilities/Data Base Tools (DBT) Version 2 Fast Reorganization Reload and HDAM Physical Sequence Sort/Reload. This User's Guide contains new information about the following subjects:
  • Support for IMS Version 7, including High Availability Large Database (HALDB)
  • The following new functions are introduced for Physical Sequence Sort for Reload:
    • User Exit support
    • Segment Edit/Compression exit support
    • IMS/ESA® Year 2000 Exit Tool (5697-E04) support
Parent topic: Introduction to IMS High Performance Load