The memory usage on top or on output from sar always peaks at
98% even without any application running. Is this a bug or any problem with the
server.
Here is an output from some of my servers:
11:42am up 3 days, 43 min, 3 users, load
average: 0.01, 0.02, 0.00
61 processes: 58 sleeping, 3 running, 0 zombie, 0 stopped CPU states: 0.0% user, 0.7% system, 0.0% nice, 99.2% idle Mem: 1031464K av, 1021844K used, 9620K free, 0K shrd, 190936K buff Swap: 2096472K av, 26544K used, 2069928K free 713760K cached PID USER PRI NI
SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
8897 oracle 15 0 1048 1048 844 R 0.7 0.1 0:05 top 1 root 15 0 472 428 412 S 0.0 0.0 0:34 init 2 root 15 0 0 0 0 SW 0.0 0.0 0:00 keventd 3 root 15 0 0 0 0 SW 0.0 0.0 0:00 kapmd 4 root 34 19 0 0 0 SWN 0.0 0.0 0:00 ksoftirqd_CPU0 5 root 15 0 0 0 0 RW 0.0 0.0 0:01 kswapd 6 root 15 0 0 0 0 SW 0.0 0.0 0:00 bdflush 7 root 15 0 0 0 0 SW 0.0 0.0 0:00 kupdated 8 root 25 0 0 0 0 SW 0.0 0.0 0:00 mdrecoveryd 17 root 15 0 0 0 0 SW 0.0 0.0 0:08 kjournald 97 root 16 0 0 0 0 SW 0.0 0.0 0:00 khubd 194 root 15 0 0 0 0 SW 0.0 0.0 0:00 kjournald 195 root 15 0 0 0 0 SW 0.0 0.0 0:03 kjournald 196 root 15 0 0 0 0 SW 0.0 0.0 0:00 kjournald 197 root 15 0 0 0 0 SW 0.0 0.0 0:00 kjournald 198 root 15 0 0 0 0 SW 0.0 0.0 0:00 kjournald 716 root 15 0 568 516 480 S 0.0 0.0 0:00 syslogd 11:00:00 AM kbmemfree kbmemused %memused kbmemshrd
kbbuffers kbcached kbswpfree kbswpused %swpused
11:10:00 AM 11724 1019740 98.86 0 190344 713744 2069928 26544 1.27 11:20:00 AM 9908 1021556 99.04 0 190416 714108 2069928 26544 1.27 11:30:00 AM 9184 1022280 99.11 0 190616 714348 2069928 26544 1.27 11:40:00 AM 9736 1021728 99.06 0 190864 713564 2069928 26544 1.27 Average: 17008 1014456 98.35 0 187882 730763 2069915 26557 1.27 |