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Unusual Behavior with NIC Interrupt Moderation Disabled

OS: Centos7 I disabled interrupt moderation, ethtool -C eno2 rx-usecs 0, and then started capturing on that interface using tcpdump. The dump file was growing as expected. Maybe an hour later the ...
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42 views

Application Performance & Interrupt Affinity

Quoting the RedHat Performance Tuning Guide 3.3.7. Setting interrupt affinity Interrupt requests have an associated affinity property, smp_affinity, that defines the processors that will ...
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Zabbix Cannot Get Value From Agent [closed]

I am attempting to connect Zabbix to a host and am getting the error: Get value from agent failed: cannot connect to [[xxx.xxx.xxx.xxx]:10050]: [4] Interrupted system call I am not sure why this ...
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Linux interrupt affinity

We have a HP DL980 running SuSE Linux Enterprise Server 11 sp2. The machine hosts a PCIe digital IO card which is used to send a clock signal to sychronise with other machines. If we do a top, one ...
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408 views

Will Windows dcdiag.exe interrupt any services on a production system?

Will the running the Windows dcdiag.exe command-line tool on a Server 2008 R2 system interfere with any services on that machine? A small amount of CPU and network traffic usage is acceptable, but ...
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420 views

Large Number of ACPI Interrupts

I'm wondering if anyone has seen this before, and could perhaps shed some light on a solution. I'm running Red Hat Enterprise Linux 6.1, fully updated in a text-only server configuration, and the ...
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204 views

Netword card problem in LInux server - possible interrupt issue

I have a Linux server running CentOS 5.6 (64-bit) that was running fine using the onboard NIC. For testing an HP PCI-e NIC was installed too but the server wouldn't respond on the network through eth0 ...