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Old 01-23-2007, 02:56 AM   #1
pankajkarde
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Registered: Jan 2007
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server running slow


hi friend,
i have installed redhat Cent O.S 4.2 on my sever.

while client is accesing its homepage , it has a slow response.
when client use ftp for file transfer, response from server is slow.
i am running php software and MYSQL database in my server.

i am using 80GB hard disk and still 28GB freespace is remaining.
i have 512 MB of memory, in which currently 91 MB is still free.

o/p for " vmstat" command is

procs -----------memory---------- ---swap-- -----io---- --system--

----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 160 91296 40656 287300 0 0 9 7 60 34 0 0 100 0


o/p for "free" command is


total used free shared buffers cached
Mem: 507932 416572 91360 0 40636 287284
-/+ buffers/cache: 88652 419280
Swap: 779144 160 778984






o/p of "top" command is


top - 14:31:52 up 2 days, 1:12, 2 users, load average: 0.00, 0.00, 0.00
Tasks: 74 total, 1 running, 73 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.7% us, 0.0% sy, 0.0% ni, 98.3% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 507932k total, 416772k used, 91160k free, 40612k buffers
Swap: 779144k total, 160k used, 778984k free, 287268k cached



In the /var/log/messages there are no errors
But in the /var/log/httpd/error_log it is showing a long list of same

error i.e" an unknown filter was not added :PHp".in this way my server

is responding very slow for ftp and while accesssing through http.will

u pls help me to solve this problem.
 
Old 01-23-2007, 09:20 PM   #2
trickykid
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Registered: Jan 2001
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What's you're description of slow response? Is it seconds, minutes, hours.. ? Need some more details to help better understand the problem. Some of the other things you can look out for is DNS resolution, ReverseDNS and so on by just taking a guess not knowing much more about you're setup. What type of php applications are you using? What type of network is this on, speed and NIC type? More details get better replies.
 
Old 01-24-2007, 01:59 AM   #3
pankajkarde
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Angry reply

according to ur requirement,

i am using php application of client-server type.

for the information abt network,

i have the o/p of some standard commands as,
1.for "mii-tool eth0"
o/p-

"eth0: negotiated 100baseTx-FD, link ok"

2.for"ethtool -S eth0"

o/p-

"NIC statistics:
early_rx: 0
tx_buf_mapped: 0
tx_timeouts: 0
rx_lost_in_ring: 0"


3.for "netstat -i"


o/p-

"Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR
TX-DRP TX-OVR
Flg
eth0 1500 0 43568 0 0 0 41105 0

0 0
BMRU
lo 16436 0 22 0 0 0 22 0

0 0
LRU"

i have rebooted the server today and then check the response of http

and ftp , that response is better than the previous 3 days,for http

request , it was taking a minute to open the link yesterday,which is

now opening in seconds.but still iam unknown of the cause for such a

response of server.if server starts responding same as it was

responding since last three days, then what action should i take.will u

pls help me to solve this problem?
 
Old 01-25-2007, 03:15 AM   #4
pankajkarde
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Registered: Jan 2007
Posts: 41

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Cool server monitoring

hi friends,
i want to know general commands which are used to monitor the server.i also want to know that can we write any server monitoring shell script?
will you please help guide me in this matter?
 
Old 01-25-2007, 05:34 AM   #5
unSpawn
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What aspects would you like to monitor? Services availability and system stats (Monit)? Network specs (Nagios)? Is this somehow related to your other thread named "server slow"? Why write a server monitoring shell script? Searching LQ, Freshmeat.net or SourceForge.net doesn't show anything usable?
 
Old 01-27-2007, 06:02 AM   #6
pankajkarde
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i want to monitor the status of the system so that i can predict why it is running very slow.will you pls help me to solve this?
 
Old 01-27-2007, 08:01 AM   #7
reeseslover531
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Distribution: Fedora Core 5
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check out http://howtoforge.com/server_monitoring_monit_munin . This is a tutorial on how to setup munin and monit. These two software packages will monitor the system resources and also monitor your services to make sure they are all up and done correctly. that should help you.
 
  


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