At 9:00am UTC yesterday we disabled access to the pages under the ARC
community on opensolaris.org to see if that would improve the stability
of opensolaris.org. In the preceding week we were at times having to
restart the site every 20-30 minutes, since this change yesterday there
have been no restarts and the resource demands of the application have
been significantly lower.
We have also gathered information that help us understand why the
behaviour of the application is so pathological, and the load imposed by
making the ARC cases available on OSO is a significant factor. The
mechanism by which the script on sac.eng uploads case information to the
site is also a significant contributor. The script mimics an interactive
user, and the process of saving and re-indexing pages is particularly
hard on the application.
We therefore will be leaving the ARC section of the site disabled until
we have an alternative mechanism for providing ARC case data externally.
To leave it enabled would lead in a very short time to total
unavailability of the entire site. We anticipate that providing this
alternative will take 1-2 weeks, and it is our highest priority to get
this in place as quickly as possible.
Whilst the ARC community is important, it is only one of the communities
on OSO and we have to balance the inconvenience of the ARC cases being
temporarily unavailable against the consequences of entire site being
unavailable. We are in the run-up to the OGB elections with the
concurrent constitutional changes, and it is critical that the site
remains available over this period - we hope you'll agree the choice is
clear cut.
As a temporary workaround during this period, we suggest that a
repository is created on src.opensolaris.org and that the materials for
any ARC cases that are undergoing review are placed there. Whilst this
clearly won't provide access to existing ARC cases, it will still enable
the community to participate in the ARC process.
Apologies for the inconvenience, please bear with us whilst we address
the issue as quickly as we can.
--
Alan Burlison
--
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