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Solaris 8-Solaris 9 comparision
Since Igor assured me of the stability in Solaris 9 these days, I went
ahead and put together a comparison test, since I've been meaning to retry
Solaris 9 for some time anyhow.
Test: Have 30 systems pound a box running the particular OS.
Hardware: Netra T1405, 3 CPU, 3 GB of RAM, 2 SCSI Disks
The Solaris 8 & Solaris 9 hardware were identical. All the latest patches
from Sun were applied prior to the test. The /etc/system properties were
identical on each system. Each system had all software compiled under that
particular OS, from gcc to OpenLDAP. OpenLDAP database & setup was
Results are at:
Solaris 9 is about as stable as Solaris 8 and efficient in its replies as
Both systems dropped to 29 hosts right away (this is standard behavior from
what I've seen).
Solaris 9 dropped down eventually to 27 hosts, Solaris 8 to 28.
Overall query/second rates were comparable.
Therefore, I drop my objections to Solaris 9 & its threading model, which
seems to have been fixed in the year since I last tested it. ;)
Principal Software Developer
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