maxThreads="150"
minSpareThreads="4"
acceptCount="500" #超过了最大线程数后 超过500直接摒弃
maxSpareThreads="50"
<Connector port="30001" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="10043"
maxThreads="150" minSpareThreads="4"
acceptCount="500"
maxSpareThreads="50"
/>
CATALINA_OPTS="$JAVA_OPTS -Djava.rmi.server.hostname=192.168.0.101 -Dcom.sun.management.jmxremote.port=9527 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false"
[[email protected] conf]# jmap -heap 3416
Attaching to process ID 3416, please wait...
Debugger attached successfully.
Client compiler detected.
JVM version is 20.45-b01
using thread-local object allocation.
Mark Sweep Compact GC
Heap Configuration:
MinHeapFreeRatio = 40 #
MaxHeapFreeRatio = 70
MaxHeapSize = 132120576 (126.0MB) #
NewSize = 1048576 (1.0MB) #初始化对内存
MaxNewSize = 4294901760 (4095.9375MB)
OldSize = 4194304 (4.0MB)
NewRatio = 2
SurvivorRatio = 8
PermSize = 12582912 (12.0MB) 持久带
MaxPermSize = 67108864 (64.0MB)
Heap Usage:
New Generation (Eden + 1 Survivor Space):
capacity = 39649280 (37.8125MB)
used = 2651896 (2.5290451049804688MB)
free = 36997384 (35.28345489501953MB)
6.688383748708677% used
Eden Space:伊甸园区
capacity = 35258368 (33.625MB)
used = 2651896 (2.5290451049804688MB)
free = 32606472 (31.09595489501953MB)
7.521323732283922% used
From Space:
capacity = 4390912 (4.1875MB)
used = 0 (0.0MB)
free = 4390912 (4.1875MB)
0.0% used
To Space:
capacity = 4390912 (4.1875MB)
used = 0 (0.0MB)
free = 4390912 (4.1875MB)
0.0% used
tenured generation:
capacity = 88080384 (84.0MB)
used = 69407088 (66.19175720214844MB)
free = 18673296 (17.808242797851562MB)
78.79971095493862% used
Perm Generation:
capacity = 12582912 (12.0MB)
used = 11245696 (10.7247314453125MB)
free = 1337216 (1.2752685546875MB)
89.37276204427083% used
[[email protected] conf]#
