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Top Forums UNIX for Dummies Questions & Answers GNU Linux sleeping processes in top command Post 302900112 by Aia on Sunday 4th of May 2014 12:40:25 PM
Old 05-04-2014
Quote:
Originally Posted by sidharthmellam
Thank you bakunin for the response , it is very much clear

one of the process has the following details , TIME+ means Total time of activity of this process, for process 29230 , is this active for 667 hours , means 27 days ,but the server itself did not exist 20 days ago, it is a fresh installation started 10 days ago, how to understand 29230 process

Code:
  PID USER      PR  NI  VIRT  RES  SHR S   %CPU %MEM    TIME+  COMMAND 
29230 oraSLV    20   0 8997m 4.4g 4.4g S      0 14.0 667:10.44 oracle


According to your first top this server has been up and running for 36 days:

Quote:
top - 02:44:13 up 36 days, 16:37, 1 user, load average: 8.57, 8.41, 8.08

Quote:
top - 02:44:13 up 36 days, 16:37, 1 user, load average: 8.57, 8.41, 8.08
Tasks: 260 total, 9 running, 251 sleeping, 0 stopped, 0 zombie
Cpu(s): 98.6%us, 1.3%sy, 0.0%ni, 0.1%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 31983M total, 31533M used, 450M free, 1673M buffers
Swap: 32671M total, 111M used, 32560M free, 26532M cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
29220 oraSLV 20 0 8990m 4.4g 4.4g R 53 14.2 793:38.88 oracle
13666 oraSLV 20 0 8984m 1.1g 1.1g R 45 3.6 16:44.64 oracle
29228 oraSLV 20 0 8988m 4.4g 4.4g R 44 14.1 756:33.95 oracle
29250 oraSLV 20 0 8997m 4.4g 4.4g R 44 14.1 718:29.60 oracle
30245 oraSLV 20 0 8998m 4.4g 4.4g R 43 14.2 789:12.81 oracle
29222 oraSLV 20 0 8987m 4.4g 4.4g R 42 14.2 740:11.18 oracle
29234 oraSLV 20 0 8990m 4.4g 4.4g R 42 14.2 708:55.32 oracle
29248 oraSLV 20 0 8983m 4.4g 4.4g R 39 14.2 799:41.92 oracle

20113 oraSLV 20 0 8982m 1.3g 1.3g S 6 4.1 32:00.02 oracle
Your server is pegged by those processed that I have highlighted in red. They are using most of the cpu cycles. %id in red indicates the cpu available (idle) and you have almost nothing. %us indicate what percentage of the cpu usage is being utilized by user space instead of system space (kernel) which it is indicated with %sy

Last edited by Aia; 05-04-2014 at 01:42 PM.. Reason: mispelling
 

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KILL(2) 							System Calls Manual							   KILL(2)

NAME
kill - send signal to a process SYNOPSIS
kill(pid, sig); DESCRIPTION
Kill sends the signal sig to the process specified by the process number in r0. See signal(2) for a list of signals. The sending and receiving processes must have the same effective user ID, otherwise this call is restricted to the super-user. If the process number is 0, the signal is sent to all other processes in the sender's process group; see tty(4). If the process number is -1, and the user is the super-user, the signal is broadcast universally except to processes 0 and 1, the scheduler and initialization processes, see init(8). Processes may send signals to themselves. SEE ALSO
signal(2), kill(1) DIAGNOSTICS
Zero is returned if the process is killed; -1 is returned if the process does not have the same effective user ID and the user is not super-user, or if the process does not exist. ASSEMBLER
(kill = 37.) (process number in r0) sys kill; sig KILL(2)
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