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04090 Llorente 12
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Creation time
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17%
Get the best out of your bandwidth with tc
30.11.2025
Home
»
Archive
»
2012
»
Issue 10: Traff...
»
is as follows: tc filter add dev $DEV protocol ip parent 1:
0
prio 100 u32 match ip $DIR
12
.34.56.78 flowid 1:
12
You'll be glad to know the filter's config is much simpler than the classes or the qdisc
16%
VMware Server 2.0 on recent Linux distributions
30.11.2025
Home
»
Archive
»
2011
»
Issue 3: Are yo...
»
.894212] vmware-hostd[3870]: segfault at 2100001c4f ip 0000003c
0
cb32ad
0
sp 00007f3889e9cb88 error 4 in libc-2.
12.90
.so[3c
0
ca00000+19a000] Analysis and Plan A Initial analysis proved that the VMware ... VMware Server 2.
0
on recent Linux distributions
16%
Tracing applications with OProfile and SystemTap
30.11.2025
Home
»
Archive
»
2010
»
Issue 1: System...
»
confirm that the kernel and kernel-debuginfo packages have the same version number: rpm -q kernel-PAE kernel-PAE-debuginfo oprofilekernel-PAE-2.6.32.10-
90
.fc
12
.i686 kernel-PAE-debuginfo-2.6.32.10-
90
.fc
12
.i
15%
Getting started with I/O profiling
30.11.2025
Home
»
Archive
»
2012
»
Issue 08: FreeNAS
»
62 787 10
MB
< < 100
MB
0
0
0
0
0
0
0
2 Table 4 from the MPI strace Analyzer report; all-zero rows for sizes >100
MB
15%
The fine art of allocating memory
30.11.2025
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»
Archive
»
2012
»
Issue 10: Traff...
»
); i+= 4096) newblock[i] = 'Y';
12
printf("Allocated %d
MB
\n", allocation); 13 } 14 } Things are more interesting when memory is being used. Uncommenting line 11 does just that. The OOM
15%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home
»
Archive
»
2011
»
Issue 6: Perfor...
»
--------- ------ ---- ----- ----
12
Throughput Cashier Customers
0
.7500 Cust/Sec 13 Utilization Cashier Customers 75.0000 Percent 14 Queue Length Cashier Customers 3.0000 Cust 15 Residence Time Cashier Customers 4.0000 Sec 16 N Sws
15%
Linux filesystem performance tested
30.11.2025
Home
»
Archive
»
2012
»
Issue 10: Traff...
»
.3.6 (5-
12
-2012) Filesystems and versions: ext2, ext3, ext4 (each with e2fsprogs 1.41.14), Btrfs (btrfsprogs
0
.19), XFS (xfsprogs 3.1.6), ReiserFS (3.6.21), ZFS (
0.6.0
-rc8). Operating and Filesystems
15%
An IT nomad's diary
30.11.2025
Home
»
Archive
»
2012
»
Issue 07: Xen v...
»
: plug another memory leak 05 c
90
fc4c934ac7b024c1fc1813bb3cffb5333e18f lockdown: move writing of device uuid to client struct inside lockdownd_client_new() 06 f0487376671ffd6ac3fc121657f1fbd
0
acea3cb
0
15%
Storage system with OpenSolaris and Comstar
30.11.2025
Home
»
Archive
»
2010
»
Issue 0: Active...
»
/nsswitch.conf (Konfigurieren der Namensauflösung) 08 ... 09 hosts files dns 10 ipnodes files dns 11 ...
12
# vi /etc/hosts 13 ::1 localhost 14 127.
0.0
.1 localhost 15 192.168.1.200 myiscsiserver myiscsiserver.local loghost 16 ...
0
15%
Fast system management from Puppet Labs
30.11.2025
Home
»
Archive
»
2011
»
Issue 5: Pen Te...
»
/2001/XMLSchema-instance" 05 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.
0
.xsd 06 http
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