看看我的tomcat的cpu占用是否正常？
godamen
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1#
godamen 发表于 2008-09-25 17:10
看看我的tomcat的cpu占用是否正常？
cpu从33%~66%跳.2G的物理内存它占了1.2g,如何降低？
系统为as4+nginx+php+tomcat 应用是nginx代理tomcat做的lucene全文搜索 有二十几万pv tomcat6
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CODE:
CATALINA_OPTS='-Xms800m -Xmx1000m'
JAVA_OPTS='-Xms800m -Xmx1000m'
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CODE:
top - 17:04:12 up 31 days, 50 min, 3 users, load average: 2.02, 2.36, 2.49
Tasks: 123 total, 1 running, 122 sleeping, 0 stopped, 0 zombie Cpu(s): 47.9% us, 2.2% sy, 0.0% ni, 48.6% id, 0.9% wa, 0.1% hi, 0.2% si Mem: 2074936k total, 1912012k used, 162924k free, 65400k buffers Swap: 2031608k total, 3128k used, 2028480k free, 424264k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 7218 root 19 0 1310m 1.2g 6424 S 0.0 59.1 0:00.00 java 1746 mysql 16 0 79468 22m 3012 S 0.0 1.1 0:07.10 mysqld 1747 mysql 16 0 79468 22m 3012 S 0.0 1.1 0:00.02 mysqld 1748 mysql 15 0 79468 22m 3012 S 0.0 1.1 0:00.15 mysqld 1761 mysql 16 0 79468 22m 3012 S 0.0 1.1 12:34.69 mysqld 1926 mysql 16 0 79468 22m 3012 S 0.0 1.1 13:25.72 mysqld 3695 mysql 16 0 79468 22m 3012 S 0.0 1.1 10:58.39 mysqld 8400 mysql 16 0 79468 22m 3012 S 0.3 1.1 7:32.80 mysqld 10024 mysql 16 0 79468 22m 3012 S 0.0 1.1 7:18.27 mysqld 10757 mysql 16 0 79468 22m 3012 S 0.0 1.1 4:12.36 mysqld 12333 mysql 16 0 79468 22m 3012 S 0.0 1.1 2:35.04 mysqld 12334 mysql 16 0 79468 22m 3012 S 0.0 1.1 2:45.11 mysqld 7196 www 15 0 35264 20m 908 S 2.3 1.0 18:35.96 nginx 7195 www 15 0 33972 20m 908 S 0.7 1.0 18:57.07 nginx 11377 nobody 16 0 54876 19m 16m S 0.0 1.0 1:45.33 php-cgi 11372 nobody 16 0 54764 16m 14m S 0.0 0.8 1:44.44 php-cgi 11383 nobody 17 0 54488 12m 10m S 0.0 0.6 1:43.45 php-cgi 11373 nobody 16 0 54512 12m 10m S 0.0 0.6 1:44.60 php-cgi 11378 nobody 16 0 54568 12m 10m S 0.7 0.6 1:44.97 php-cgi 11385 nobody 16 0 54324 12m 10m S 0.0 0.6 1:41.37 php-cgi 11380 nobody 17 0 54336 12m 9.9m S 0.0 0.6 1:44.88 php-cgi 11384 nobody 16 0 54524 11m 9808 S 0.0 0.6 1:39.63 php-cgi 11387 nobody 16 0 54564 11m 9.8m S 0.0 0.6 1:43.17 php-cgi 11375 nobody 17 0 54488 11m 9968 S 0.3 0.6 1:41.15 php-cgi 11386 nobody 16 0 54532 11m 9900 S 1.0 0.6 1:43.89 php-cgi 11376 nobody 16 0 54532 11m 9920 S 0.0 0.6 1:44.72 php-cgi 11374 nobody 17 0 54508 11m 9692 S 0.0 0.6 1:41.89 php-cgi 11370 nobody 16 0 54520 11m 9588 S 0.3 0.6 1:43.48 php-cgi 11371 nobody 16 0 54300 11m 9688 S 0.3 0.6 1:45.69 php-cgi 11379 nobody 16 0 54536 11m 9520 S 0.0 0.6 1:41.42 php-cgi 11381 nobody 17 0 54328 11m 9648 S 0.0 0.6 1:44.02 php-cgi 11382 nobody 17 0 54404 11m 9560 S 0.0 0.6 1:43.29 php-cgi 11369 nobody 16 0 54300 11m 9564 S 0.0 0.6 1:46.04 php-cgi 11368 nobody 17 0 54400 11m 9308 S 0.0 0.6 1:43.36 php-cgi |