Hi
We have seen a couple of collectors CPU increase by between 20 -30% after this upgrade and just interested if anyone else has seen this behaviour ?
Best answer by Ajay
View originalHi
We have seen a couple of collectors CPU increase by between 20 -30% after this upgrade and just interested if anyone else has seen this behaviour ?
Best answer by Ajay
View originalHello Barb,
We have not heard this yet, however if you are concerned, this will need to be investigated and is best resolved going through LM support.
Please contact support by raising a ticket or chat through your portal. Please provide the logs and further details in the ticket.
Support link found top right hand side of your LM portal.
Thanks
We have the same problem with 33.001 and 33.002. Our high CPU causes the collector to lose its connection to LM making the collector “down”. We just go into the box and restart the service and everything is normal again.
Just to follow up here, we have become aware that in a small number of cases the scriptcache file on the collector can get corrupted. This can lead to excessive CPU usage.
Stop the collector services from the OS of the collector - remove the scriptcache file from its location (as per the below) and restart the collector services. This will rebuild the scriptcache
file=C:\Program Files\LogicMonitor\Agent\tmp\scriptCache
We have built an EA collector (33.301) with a fix for the problem, and it is hoped that this will be built into the General release of the collector shortly.
Is there a way to know if this procedure is actually necessary? Is there a way of detecting that the scriptcache file on the collector is actually corrupted? Does this apply to all versions before 33.301 or just certain versions?
Hi
Great questions. You can usually see in the wrapper log files that the file is corrupted, an example is shown here;
We’ve only seen it on 33.001 and there are some details provided in our release notes
https://www.logicmonitor.com/release-notes/ea-collector-33301
Alright, who’s going to build the configsource to check the wrapper log for presence of that string?
Not sure if it’s just me, but the image didn’t come through.
Not sure a configsource is required at this stage as once the collector is updated to EA 33.301 or GD 33.003 it “self checks’ and if corruption is found the file gets deleted.
Yeah, but if we’re not planning on upgrading the collector for a while, having a logicmodule will give us a compelling reason to argue for fast-tracking the collector upgrade.
Besides, the answer to “who” is me. It’s me, I’m going to build it. Unless you can build it faster than me. Ready, set, go!
Update on progress here - Upgrading to 33.002 or 33.400 has mostly worked except for customers that are 100% in Azure. We have had to upgrade the CPU’s from D8s v3 to B8ms which is double the cost so not a suitable resolution. Is anyone else finding this ?
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