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as seen on Server Fault
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Hi,
My new server has 2 x X5570 CPUs.
Now here is the output of grep -i hz /proc/cpuinfo
model name : Intel(R) Xeon(R) CPU X5570 @ 2.93GHz
cpu MHz : 1600.231
model name : Intel(R) Xeon(R) CPU X5570 @ 2.93GHz
cpu MHz : 1600.231
model name : Intel(R) Xeon(R) CPU …
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Hello!
I'm running FreeBSD 7.2 under VMware ESXi 3.5. Host has 2 physical CPUs and the BSD box is currently the only running VM. Only one virtual CPU is assigned to the VM.
When measuring CPU time of a specific program, I get very different results from time to time. Processor usage is reported…
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as seen on Server Fault
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According to http://net-snmp.sourceforge.net/docs/mibs/ucdavis.html#scalar_notcurrent ssCpuUser, ssCpuSystem, ssCpuIdle, etc are deprecated in favor of the raw variants (ssCpuRawUser, etc).
The former values (which don't cover things like nice, wait, kernel, interrupt, etc) returned a percentage…
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as seen on Super User
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I've noticed that there are sometimes (large) differences between the reported total CPU usage and a summation of the per-process CPU utilization given by apps like top and wmtop.
As an example: I recently ran a git filter-branch --index-filter on a fairly large repo, with the index-filter command…
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I have a Ubuntu 12.04 server which sometimes dies completely - no SSH, no ping, nothing until it is physically rebooted.
After the reboot, I see in syslog that the oom-killer killed, well, pretty much everything.
There's a lot of detailed memory usage information in them. How do I read these logs…
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as seen on Ask Ubuntu
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Hi
I'm quite new to Linux, but before using it I was hearing that Windows programs, after uninstallation, leaves a lot of remains on the hard disc, and Linux removes all.
I'm using Ubuntu 10.04. To uninstall packages I'm using sudo apt-get autoremove application_name or sudo aptitude purge application_name…
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as seen on Server Fault
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Hi,
I run a LVM setup on a raid1 created by mdadm. md2 is based on sda6 (major:minor 8:6) and sdb6 (8:22). md2 is partition 9:2. The VG on top of md2 has 4 LVs, var, home, usr, tmp.
First the problem: While booting it seems as if the device mapper takes the wrong partition for the mapping! Immediately…
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as seen on Stack Overflow
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Environment: JBoss 5.1.0, JBoss Seam 2.2.0
While trying to get my application running in a clustered environment after login I am getting the following exception. Post login we try to store the currentUser in jboss seam session context.
java.io.NotSerializableException: org.jboss.seam.util.AnnotatedBeanProperty
How…
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as seen on Geeks with Blogs
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Caching is a popular topic when we are building a high performance and high scalable system not only on top of the cloud platform but the on-premise environment as well. On March 2011 the Windows Azure AppFabric Caching had been production launched. It provides an in-memory, distributed caching service…
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as seen on Stack Overflow
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I have servlets that caches user information rather then retrieving it from the user store on every request (shared Ehcache). The issue I have is that if a client is multi-threaded and they make more then one simultaneous request, before they have been authenticated, then I get this in my log:
Retrieving…
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