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| APAR (Authorized Program Analysis Report) |
Abstract
OSP-DB-JRN Degraded performance due to increased IO and gate
contention
Error Description
Running an internal performance benchmark showed performance
degradation due to increased IO and gate contention.
Problem Summary
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* PROBLEM: (MA45729) Licensed Program = 5770999 for i 7.1, *
* i 7.2, and i 7.3 *
* Severe Performance Degradation *
****************************************************************
* USERS AFFECTED: All IBM i operating system users. *
****************************************************************
* RECOMMENDATION: Apply LIC PTF MF62259 for i 7.1. *
* Apply LIC PTF MF62258 for i 7.2. *
* Apply LIC PTF MF62257 for i 7.3. *
****************************************************************
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Running an internal performance benchmark shows performance
degradation due to increased IO and gate contention.
Problem Conclusion
Journaled object information was being written to disk too
aggressively. This change reduces the amount of journaled object
information being written.
Temporary Fix
*********
* HIPER *
*********
Comments
Circumvention
PTFs Available
R710 MF62259 
6320
R720 MF62258 
6306
R730 MF62257 
6299
Affected Modules
Affected Publications
Summary Information
| Status............................................ | CLOSED PER |
| HIPER........................................... | Yes |
| Component.................................. | 9400DG3DB |
| Failing Module.......................... | RCHMGR |
| Reported Release................... | R730 |
| Duplicate Of.............................. |
System i Support
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Document Information
Modified date:
02 December 2016