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Problem IC62723
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Status: Geschlossen |
ON AIX THE TCP_NODELAYACK IS NOT BEING CORRECTLY SET IN THE SOCK ET LAYER BY DB2 |
| Produkt: |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 |
| Problembeschreibung: |
Starting in V95 of DB2, we decided to enable the TCP_NODELAYACK
option at the socket layer instead of globally at the OS level
for better performance of network operations between partitions
when traffic is low. This APAR is open to address the fact that
this is not being set correctly. |
| Problem-Zusammenfassung: |
Users Affected: Any using DPF feature across multiple machines
Problem Description: TCP_NODELAYACK is not being set correctly
at the socket layer which can results in inter-partition
communication delays
Problem summary: see above |
| Local-Fix: |
As a workaround you can enable TCP_NODELAYACK in the kernel by
setting it to 1. |
| verfügbare FixPacks: |
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows
|
| Lösung |
Problem was first fixed in Version 9.5 FixPak 6 |
| Workaround |
As a workaround you can enable TCP_NODELAYACK in the kernel by
setting it to 1. |
| Bug-Verfolgung |
Vorgänger : APAR is sysrouted TO one or more of the following: IC62724
Nachfolger : |
| Weitere Daten |
Datum - Problem gemeldet :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
| 25.08.2009
07.10.2010
07.10.2010 |
| Problem behoben ab folgender Versionen (IBM BugInfos) |
9.5.
|
| Problem behoben lt. FixList in der Version |
