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in your kernel configuration and possibly rebuild the kernel. Including the symbols, vmlinux weighs in at more than 40MB.
Next, open a connection to the debug server by typing target remote :1234 (Figure 3
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: Transtech Lynx Calleo Application Server 2260 [1]: CPU/RAM: Intel Xeon E5-2643 (quad-core CPU, eight threads, 3.3GHz)/32GB RAM (DDR-3, 1600MHz, ECC)
Controller: LSI Logic Mega RAID SAS 9261-8i PCIe x8, 512MB
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. One easy way to set up a Hiawatha virtual machine is to start up the TurnKey Linux Nginx VM [3], then remove Nginx and add Hiawatha.
Start by downloading the TurnKey Linux Nginx VM, a small Linux
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nodes, and make sure to do this as a user and not as root.
3. To make life easier, use shared storage between the controller and the compute nodes.
4. Make sure the UIDs and GIDs are consistent
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13.12.2018
In previous articles, I examined some fundamental tools for HPC systems, including pdsh [1] (parallel shells), Lmod environment modules [2], and shared storage with NFS and SSHFS [3]. One remaining
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27.08.2014
record size, (2) sequential read testing with 1MB record size, and (3) random write and read (4KB). In running these tests, I wanted to see what block layer information ioprof revealed.
The system I
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is shown in Listing 1.
Listing 1: Sample nfsiostat Output
Linux 2.6.18-308.16.1.el5.centos.plus (home8) 02/10/2013 _i686_ (1 CPU)
02/10/2013 03:38:48 PM
Filesystem: rMB_nor/s wMB
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(USB 2), and a Samsung Fit Plus 32 (USB 3).
Disk Caches
The OS is not the only player in the caching business. Examining a Samsung 750 SATA SSD drive, you cannot but notice a 256MB RAM buffer [8
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GKF8S
16
DDR3, Registered, ECC, 4 rank
8.710
0.54
AL24M72E4BKH9S
8
DDR3, Registered, ECC, 2 rank
6.132
0.77
AL12M72B8BKH9S ... 6
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access point, a DNS server, and even a WLAN access point. Despite all this, the complete system weighs in at just 100MB, and to get started, you just need a USB stick and 128MB of RAM.
If the built
