Displaying 3 results from an estimated 3 matches for "cctest1".
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cctest
2005 Nov 21
5
question about disk performance in domU
Hi all,
When I ran the experiments to compare an application''s execution time in both a domU (named cctest1)
and a native Linux machine (named ccn10), I noticed the application executes faster in domU. The
host of the domU (named ccn9) and ccn10 are two nodes of a cluster and they have same hardware
configurations. domU (cctest1) is created by exporting loopback files from dom0 on ccn9 as VBD
backend...
2005 Nov 21
0
question about disk performance in domU
Hi all,
When I ran the experiments to compare an application''s execution time in both a domU (named cctest1)
and a native Linux machine (named ccn10), I noticed the application executes faster in domU. The
host of the domU (named ccn9) and ccn10 are two nodes of a cluster and they have same hardware
configurations. domU (cctest1) is created by exporting loopback files from dom0 on ccn9 as VBD
backend...
2005 Nov 28
20
open/stat64 syscalls run faster on Xen VM than standard Linux
Dear all,
When I debugged the execution performance of an application using strace, I found there are some
system calls like open and stat64 which run faster on XenLinux than the standard Linux. The
following is the output of running "strace -c /bin/sh -c /bin/echo foo" on both systems. An open
call runs averagely 109 usec on standard Linux but only 41 usecs on XenLinux. An stat64