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100%
I/O benchmarks with Fio
30.11.2025
Home
»
Archive
»
2011
»
Issue 5: Pen Te...
»
creates a 256
MB
file in the current directory along with process for the job. This process reads complete file content in random order. Fio records the areas that have already been read and reads each area
96%
Monitor your nodes with collectl
30.11.2025
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»
Archive
»
2012
»
Issue 09: Windo...
»
to the default statistics monitored. The line in /etc/collectl.conf is: Test System Scientific Linux 6.2 [8] 2.6.32-
220
.4.1.el6.x86_64 kernel GigaByte MAA78GM-US2H motherboard AAMD Phenom II
90%
Getting started with I/O profiling
30.11.2025
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»
Archive
»
2012
»
Issue 08: FreeNAS
»
of read requests issued to the device per second. w/s : Number of write requests issued to the device per second. r
MB
/s : Number of megabytes read from the device per second. w
MB
/s : Number
88%
RAM revealed
30.11.2025
Home
»
Archive
»
2011
»
Issue 6: Perfor...
»
: In LR-DIMMs, all of the signal lines (including the data) run through an intermediate chip; this reduces the electrical load on the memory controller. LR-DIMMs have an Isolation Memory Buffer (i
MB
87%
New Products
30.11.2025
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»
Archive
»
2011
»
Issue 6: Perfor...
»
management engine with power optimization software, all on one piece of silicon. The EnergyCore SoC also includes a full complement of server I/O features and a large 4
MB
ECC L2 cache. To learn more, visit
87%
The fine art of allocating memory
30.11.2025
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»
Archive
»
2012
»
Issue 10: Traff...
»
irrespective of actual system capacity, because the memory is only being allocated, not used. It will then run into the limits of process address space, hitting a wall at 3056
MB
of allocation; the maximum
86%
Even benchmarks can be easy to handle
30.11.2025
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»
Archive
»
2012
»
Issue 08: FreeNAS
»
. You can create memory pressure in the system by launching eight RAM hogs: stress -m 8 --verbose These tasks malloc 256
MB
and touch a byte every 4096 bytes, which dirties each memory page and forces
86%
An IT nomad's diary
30.11.2025
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»
Archive
»
2011
»
Issue 5: Pen Te...
»
is MySQL or SQLite. 128
MB
disk space and 256
MB
RAM are the available hardware resources in a shared-hosting environment. If you need more, you have to upgrade to the Flex level, which means having
86%
Monitoring for small and medium-sized companies compared
30.11.2025
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»
Archive
»
2012
»
Issue 07: Xen v...
»
: 512
MB
From 16
MB
for the application From 32
MB
(ARM CPU) - Disk Space: 8GB From 32
MB
, depending on the volume of data logged From 50
MB
85%
Virtualization with KVM
30.11.2025
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»
Archive
»
2010
»
Issue 2: Backup...
»
needing to waste a CD. By default, Qemu gives virtual machines just 128
MB
of RAM – state-of-the-art operating systems will just laugh at this. To assign more RAM, you need the -m parameter; the example
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