The Before You Begin section in the Solaris system chapter of the DB2
for UNIX Quick Beginnings and DB2 Enterprise - Extended Edition
Quick Beginnings for UNIX provides recommended Solaris kernel
configuration parameters. The following table provides additional
kernel configuration-parameter recommendations for systems with more than 512
MB of real memory.
Table 1. Solaris Kernel Configuration Parameters (Recommended Values)
Kernel Parameter | 512 MB-1 GB | 1 GB-4 GB | 4 GB+ |
---|---|---|---|
msgsys:msginfo_msgmax | 65,535 | 65,535 | 65,535 |
msgsys:msginfo_msgmnb | 65,535 | 65,535 | 65,535 |
msgsys:msginfo_msgmap | 514 | 1,026 | 2,050 |
msgsys:msginfo_msgmni | 512 | 1,024 | 2,048 |
msgsys:msginfo_msgssz | 16 | 32 | 64 |
msgsys:msginfo_msgtql | 1,024 | 2,048 | 4,096 |
msgsys:msginfo_msgseg | 32,767 | 32,767 | 32,767 |
shmsys:shminfo_shmmax | 483,183,820 - 966,367,641 |
966,367,641 - 3,865,470,566
| 3,865,470,566 - 4,294,967,296 |
shmsys:shminfo_shmseg | 50 | 100 | 200 |
shmsys:shminfo_shmmni | 300 | 1,024 | 2,048 |
semsys:seminfo_semmni | 1,024 | 2,048 | 4,198 |
semsys:seminfo_semmap | 1,026 | 2,050 | 4,096 |
semsys:seminfo_semmns | 2,048 | 4,096 | 8,192 |
semsys:seminfo_semmnu | 2,048 | 4,096 | 8,192 |
semsys:seminfo_semume | 50 | 50 | 50 |
Notes: