Network becomes slow and return fast only after restart network
Hi,
I have 2 machines in production environment:
1. redhat machine for application
2. DB machine (oracle)
The application doing a lot of small read&writes from and to the DB machine.
The problem is that after some few hours the network from the application to the DB becomes very slow and it returns to the normal only after: Before: After restart network:
What can it be?
How can i solve this strange behavior?
Hello, everyone:
i encounter a problem these days , pls help me ,thanks in advance.
my env:
machine: ES40 A ES40 B
os: true64 Unix 4.0f
note: src.tar 8M network card speed 100M
my problem:
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Hi,
I am trying to send oracle archives over WAN and it is taking hell a lot of time. To reduce the time, I tried to gzip the files and send over to the other side. That seems to reduce the time. Does anybody have experienced this kind of problem and any possible ways to reduce the time.
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At work, I'm in a Solaris environment working with csh, and $PATH is populated with anywhere between 10 and 20 entries.
Last week, every command I issued (even "ls") took several seconds, if not an entire minute, to run. Once I moved "/home/sybase/bin" to the end of $PATH, certain commands... (2 Replies)
hey guys,
We have two Sun x2100 servers running RHEL5 in a test environment. Both servers are fresh OS installs and hooked up to the same network switch.
When ssh'ing to one server, there is a significant delay, while ssh'ing to the other server, the connection is almost instant. We are... (2 Replies)
Hi All,
Please let me know the command to restart the network interface and enable it on boot in AIX, similar to /etc/init.d/network restart in Redhat.
Thanks,
Sunil.K
please watch out to post in the right subforum! (9 Replies)
Hi Guys,
I've inherited a mess of an infrastructure in my new job, there hasn't been a sys admin in post for about a year, so things are falling apart. The first thing to break after I started was the printer server. I have it working again, and people can print, however it's very slow, slower... (0 Replies)
I have identical M5000 machines that are needing to transfer very large amounts of data between them. These are fully loaded machines, and I've already checked IO, memory usage, etc... I get poor network performance even when the machines are idle or copying via loopback. The 10 GB NICs are... (7 Replies)
Hello everyone,
I've been a life long Unix/Linux user but I'll be the first to admit I have little specific AIX knowledge at this point and I've inherited these systems for better or worse so please forgive if I ask something in the wrong context. And yes, I've searched google for 3 days now :)... (3 Replies)
Hello,
I would like to do follow steps.
Set a static IP-Adress on eth0 (For Testing)
Set DHCP on eth0
All steps should be done without a single reboot.
/etc/network/interfaces
iface eth0 inet static
address 192.0.2.7/24
gateway 192.0.2.254How do i perform... (3 Replies)
Discussion started by: int3g3r
3 Replies
LEARN ABOUT REDHAT
netdump
NETDUMP-CLIENT(8) System Programs NETDUMP-CLIENT(8)NAME
netdump - send oops data and memory dumps over the network
SYNOPSIS
/etc/init.d/netdump (start|stop|status|restart|propagate)
DESCRIPTION
Loads and configures the netdump kernel modules. Once these are loaded, when the kernel crashes it will send the oops message and a dump of
physical memory to the machine that runs the netdump-server. This can then be used to debug the problem using gdb and a kernel image.
OPTIONS
start Starts the netdump client service. Loads the kernel modules with the right options.
stop Unloads the kernel modules.
status Shows the status of the netdump client
restart
Restarts the netclient modules with new configurations.
propagate
Sends the ssh public key needed to update the random key for each netdump session to the netdump server.
FILES
/etc/sysconfig/netdump
Configuration for the netdump client. You need to at least specify the address of the machine running the netdump server here.
/etc/sysconfig/netdump_id_dsa.pub
Public key for this machine. Used by the server to authenticate the client. This must be installed on the server, possibly by using
the the propagate capability of the netdump init script, which does:
cat /etc/sysconfig/netdump_id_dsa.pu | ssh netdump@$NETDUMPADDR cat '>>' /var/crash/.ssh/authorized_keys2
Where $NETDUMPADDR is the ip or name of the machine running the netdump server.
SEE ALSO netdump-server(8), init(8)BUGS
Report any bugs you find to http://bugzilla.redhat.com/bugzilla
AUTHOR
Alexander Larsson <alexl@redhat.com>
Linux 14 Feb 2002 NETDUMP-CLIENT(8)