Can you please help me to understand the output of ipcs?
[root@myserver ~]# ipcs -am
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 32768 gdm 600 393216 2 dest
0xf40248a3 131073 sybase 600 2126512128 1
0xf4024907 163842 sybase 600 689924096 1
------ Semaphore A
Hello, ksh on Sun5.8 here. I have a pipe-delimited, variable length record file with sub-segments identified with a tilda that we receive from a source outside of our control. The records are huge, and Perl seems to be the only shell that can handle the huge lines. I am new to Perl, and am trying to come up with a regex to find segments > 15 and remove them.
This is for a SLES 10 database server.
One of my servers runs three databases and three app servers; I am analyzing how their shared memory segments grow and shrink to avoid intermittent out-of-memory scenarios.
On my VPS (CentOS) 4GB ram (2 + 2 dynamically assigned when needed) and i have tomcat running with following options JAVA_OPTS="-Xms256m -Xmx2048m -XX:MaxPermSize=256m".
dancer69 wrote:bash: ./QtADB: No such file or directoryThis is the error message you get when the ELF loader, that loads the program into memory, is missing.What architecture are you running? 32 bit or x86-64? You can find out the ELF loader aka interpreter by using the readelf command:$ readelf --segments /bin/bash
. .
The man page for top defines SHR as:
t: SHR -- Shared Mem size (kb) The amount of shared memory used by a
task. It simply reflects memory that could be potentially shared with
other processes.
I can see this growing for one process but I am unsure of what exactly is being reported here.
Dear all,
I am currently experiencing some strange behaviour of F16's TCP implementation.
Problem:
In an existing TCP connection (ttcp), if suddenly ACKs for the segments sent are heavily delayed or do not arrive at all, TCP only retransmits the unacked Segments after 120s (Checked using Wireshark).
Expected result:
After the TCP retransmission timer expires (e.g.
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When I shutdown my system with some applications open, I expect my session manager to save my session and then restore it after the next reboot.Apparently this is NOT how it works, because the system starts a fresh new session after reboot.Either the session is not saved at shutdown, OR it is saved but not picked up at reboot.I run a standard OpenBox crunchbang statler.
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