On Thu, Oct 10, 2013 at 10:23 AM, Alejandro Galue <aga...@opennms.org> wrote:
>
> My feeling is that if we merge the RRD files online, this could cause
> hundreds (or thousands) of errors on Queued (and queued.log). The worst case
> is what could happen if Queued is updating a file while the Upgrading task
> is replacing the file at the same time (here is where I'm not sure what
> could happen).
Is there any way to tell Queued to flush a specific file and skip
updates until further notice - and then re-open it?
> I'm working on both solutions at the same time, I mean, the offline version
> and the online version of the SNMP Interface Upgrader. Then, we can decide
> which should be the final version to use (as I've created an annotation to
> ignore certain implementations of the OnmsUpgrade interface at runtime).
What kind of timing do you anticipate? I have about 65k rrd files
with storegroup - about 20GB to rewrite.
> (B) Can this approach and/or tool be generalized for other rrd edit
> tasks like removing spikes or merging histories of continuing services
> that OpenNMS sees on different devices/interfaces?
>
>
> I believe so, this can be an interesting use case, anyone who wants to
> extend the updater to perform additional operations can do that without
> problems, you just need to create a class (on any package inside
> org.opennms.upgrade) that implement the OnmsUpgrade interface, and place the
> JAR on /opt/opennms/lib, and that's it.
I was thinking more of a way to tell opennms you are going to
externally modify one of the rrd files and when you are done than
embedding everything.
--
Les Mikesell
lesmikes...@gmail.com
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