From cspence@FuelSpot.com Tue, 28 Aug 2001 10:12:40 -0700 From: Christopher Spence Date: Tue, 28 Aug 2001 10:12:40 -0700 Subject: RE: OT : kernel using 75% of CPU Message-ID: MIME-Version: 1.0 Content-Type: text/plain Title: Message paging and swapping is the first thing that comes to mind, look at vmstat.   I think your question is completely on topic.   "Do not criticize someone until you walked a mile in their shoes, that way when you criticize them, you are a mile a way and have their shoes." Christopher R. Spence Oracle DBA Phone: (978) 322-5744 Fax:    (707) 885-2275 Fuelspot 73 Princeton Street North, Chelmsford 01863   -----Original Message-----From: Jerry C [mailto:usidba@yahoo.com] Sent: Tuesday, August 28, 2001 11:20 AMTo: Multiple recipients of list ORACLE-LSubject: OT : kernel using 75% of CPU Hi there,   I have a Sun e4500, running Solaris 2.7 and Oracle 8.1.7.1.0. Everything looks normal from a database perspective, but when I run "top" it show the kernel being very hog-like:   load averages: 14.38, 15.18, 15.18                                     07:16:21126 processes: 118 sleeping, 4 running, 4 on cpuCPU states:  0.6% idle, 26.6% user, 72.8% kernel,  0.0% iowait,  0.0% swapMemory: 4096M real, 63M free, 216M swap in use, 5310M swap free     PID USERNAME THR PRI NICE  SIZE   RES STATE   TIME    CPU COMMAND 2286 oracle     1   0    0 1844M 1814M run     9:44 13.90% oracle11068 oracle     1   0    0 2056K 1536K cpu0    0:02  1.53% top11333 oracle     1   0    0 1150M 1124M cpu1    0:01  1.39% oracle 5944 oracle     1  40    0 1820M 1789M sleep  14:40  1.36% oracle 4797 root       1  50    0 2112K 1248K sleep   6:01  1.36% top11346 oracle     1   0    0  110M   92M cpu0    0:01  1.26% oracle11114 oracle     1   0    0 1009M  984M cpu1    0:00  0.66% oracle11157 oracle     1   0    0 1009M  984M run     0:00  0.63% oracle11368 oracle     1  33    0 1794M 1765M sleep   0:00  0.29% oracle19558 oracle     1  60    0 1797M 1751M sleep  78:28  0.28% oracle19554 oracle     1  60    0 1794M 1751M sleep  38:05  0.20% oracle11366 oracle     1  55    0 1793M 1763M sleep   0:00  0.19% oracle11292 oracle     1  26    2 2008K 1424K run     0:00  0.19% dsql   Any ideas on what I, as a lowly DBA, would be able to check? It's a bit out of my area and I'm stumped...     Thanks!   Jerry