I'm not sure how widely used DNX is, but it might be appropriate to include
a small note on what it is and where to get it with each announcement such
as this, that reaches other lists than dnx-devel@, where everyone presumably
knows the what, the why and the where.
Adam Augustine wrote:
> Sorry for the long time between releases. Bob has has been working on
> it quite a bit (I'm the one who's been slacking), so this should catch
> us up a bit. This release should resolve all the outstanding bugs and
> addresses a few of the features.
>
> Once we found the short term stability bug, worker nodes were able to
> run for a couple of weeks under our normal load before the
> communications channel bug got us. But Bob worked his magic and found
> the problem in record time.
>
> If you can, please test and let us know how it works for you.
>
> Version 0.13:
> =============
> - Added out-of-memory condition checking for all strdup(3) calls.
> - Fixed DNX communications channel exhaustion bug. This bug occurred when
> a Client worker thread exited: Although the dispatch and collector channels
> were properly closed, they weren't released from the DNX Channel Map pool.
> Since this pool has a finite number of slots, we ran out of slots eventually.
> Running out of slots then prevented the creation of any additional worker
> threads.
> - Fixed memory leak in the Client, related to the above problem.
> - Fixed the same DNX communications channel exhaustion bug in the NEB Server
> module as well. Although, this was not likely to occur very often.
> - Added some additional error and debug logging.
> - Added some graceful handling of NULL strings in the XML protocol messaging.
>
>
> Version 0.12:
> =============
> - Implemented the auditWorkerJobs directive in the server's configuration
> file. This feature allows you to track which worker nodes are executing
> which service checks.
> - Fixed negative job counter issue in client.
> - Added debugging level support for the server. Setting the debug flag in
> the server config file to any positive integer enables debugging. The
> higher the integer, the more verbose the debugging output.
> - The server module no longer writes messages to nagios.log. All server
> modules messages are now written to the syslog.
> - Cleaned-up memory leaks in both server and client.
> - Fixed nasty corner-case where a job might be expired and collected at
> the same time, causing a heap corruption due to the job structure memory
> being freed twice. Even though this race-condition was properly semaphore-
> protected, the expiration thread didn't properly mark the expired job
> as removed from the global job queue. Hence, the collection thread might
> acquire the semaphore right after the expiration thread released it, and
> therefore still see the expired job as active. The job would then be
> "collected", even though it was already "expired".
>
>
> Version 0.11:
> =============
> - Implemented the localCheckPattern directive in the server's configuration
> file. This permits you to specify an extended regular expression string which
> will be used to see if a check command job should execute locally (instead
> of being sent to a DNX client.)
>
>
> Version 0.10:
> =============
> - Fixed improper XML parsing of command or response values, where the
> command/response contains embedded XML tags (or even just embedded
> angle-brackets). This fix affects both the server and the client,
> since they share the common XML parsing routines contained in dnxXml.c
>
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--
Andreas Ericsson [email protected]
...[email truncated]...
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