blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px
#715FFA solid !important; padding-left:1ex !important; background-color:white
!important; } I used jvmtop. The web application used the entire 16gb and the
allocated heap. The report I was running never finished
ARGS: start
VMARGS: -Djava.util.logging.config.file=/data/tomcat/AgencyWebApp/conf/lo[...]
VM: Oracle Corporation Java HotSpot(TM) 64-Bit Server VM 1.8.0_121
UP: 0:13m #THR: 41 #THRPEAK: 42 #THRCREATED: 49 USER: siteadm
GC-Time: 0: 5m #GC-Runs: 75 #TotalLoadedClasses: 12440
CPU: 91.16% GC: 0.00% HEAP:3590m /3855m NONHEAP: 115m / n/a
TID NAME STATE CPU TOTALCPU
BLOCKEDBY
42 ajp-nio-8011-exec-8 RUNNABLE 69.88% 4.63%
35 ajp-nio-8011-exec-1 RUNNABLE 19.04% 15.49%
55 RMI TCP Connection(9)-127.0.0. RUNNABLE 1.60% 0.20%
54 JMX server connection timeout TIMED_WAITING 0.09% 0.01%
12 NioBlockingSelector.BlockPolle RUNNABLE 0.07% 0.14%
47 ajp-nio-8011-AsyncTimeout TIMED_WAITING 0.02% 0.02%
32 http-nio-8086-ClientPoller-0 RUNNABLE 0.00% 0.05%
45 ajp-nio-8011-ClientPoller-0 RUNNABLE 0.00% 0.10%
11 NioBlockingSelector.BlockPolle RUNNABLE 0.00% 0.01%
34 http-nio-8086-AsyncTimeout TIMED_WAITING 0.00% 0.01%
Note: Only top 10 threads (according cpu load) are shown!
Mar 20, 2017 12:39:28 PM ClientCommunicatorAdmin Checker-run
WARNING: Failed to check the connection: java.net.SocketTimeoutException: Read
timed out
^[[A^C^C^C^C^C^C^C^C^C
siteadm@mavs01web11q:/data/tools/jvmtop $ top -U siteadm
top - 12:41:20 up 19 min, 3 users, load average: 1.25, 1.24, 0.87
Tasks: 130 total, 1 running, 129 sleeping, 0 stopped, 0 zombie
Cpu(s): 98.5%us, 1.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.5%si, 0.0%st
Mem: 16334352k total, 15623536k used, 710816k free, 84096k buffers
Swap: 4128764k total, 0k used, 4128764k free, 339484k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2019 siteadm 20 0 6054m 4.1g 17m S 98.0 26.5 11:29.56 java
2523 siteadm 20 0 19288 1452 1080 R 0.3 0.0 0:00.02 top
1950 siteadm 20 0 105m 2100 1560 S 0.0 0.0 0:00.14 bash
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On Monday, March 20, 2017, 10:21 AM, Eric Chua <in_hi...@yahoo.com> wrote:
siteadm 2007 1 7 11:04 pts/0 00:00:00
/data/java/jdk1.8.0_121/bin/java
-Djava.util.logging.config.file=/data/tomcat/AgencyWebApp/conf/logging.properties
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Daccuity.servername=mavs01web11q
-Dorg.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING=false
-Djdk.tls.ephemeralDHKeySize=2048
-Djava.protocol.handler.pkgs=org.apache.catalina.webresources -classpath
/data/tomcat/apache-tomcat/bin/bootstrap.jar:/data/tomcat/apache-tomcat/bin/tomcat-juli.jar
-Dcatalina.base=/data/tomcat/AgencyWebApp
-Dcatalina.home=/data/tomcat/apache-tomcat
-Djava.io.tmpdir=/data/tomcat/AgencyWebApp/temp
org.apache.catalina.startup.Bootstrap start
My kernel is 2.6.32-642.15.1.elf.x86_64
Memory gets all allocated and after I kill it only a portion is recovered.
Any ideas?
top - 11:18:36 up 16 min, 2 users, load average: 1.92, 1.39, 0.68
Tasks: 123 total, 1 running, 122 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7%us, 0.0%sy, 0.0%ni, 99.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 16334352k total, 11215624k used, 5118728k free, 33788k buffers
Swap: 4128764k total, 0k used, 4128764k free, 313940k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1931 siteadm 20 0 105m 2120 1568 S 0.0 0.0 0:00.10 bash
2319 siteadm 20 0 19288 1460 1092 R 0.0 0.0 0:00.09 top
Sent from Yahoo Mail for iPhone
On Friday, March 17, 2017, 8:54 AM, Christopher Schultz
<ch...@christopherschultz.net> wrote:
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Hash: SHA256
Eric,
On 3/16/17 11:01 PM, Eric Chua wrote:
I am running tomcat 8.0.121. When I start my tomcat, it seems to
be eating up all the memory on my system. I have 16 GB, and it
keeps on going.
What are your memory-related parameters when you launch the JVM?
Note that Java *never* gives any memory back to the OS, even when the
heap-usage goes down. This is a Java thing, not a Tomcat thing.
Then when I try to kill the process, it dies but 12 GB is still
being used even though everything is turn off.
That makes no sense at all. Please provide some evidence this is
happening.
The only way to reclaim the memory is to reboot.
If this is true, then you have some kind of awful kernel bug.
I am running on redhat 6.5 and can't figure out what could be
causing this. I run the tomcat as a local user, and I know there
aren't any other processes running as the local user. I am running
a spring MVC 4/Java 8/ struts web application. I have two of them
with the same issue. Any help would be appreciated. When I try to
view all the running processes I cannot see where most of the 12 gb
are being used. The system came up with 2.2 gb used and after I
start one web application it goes to 14-15gb.
Ok.
The funny thing is that I can kill it to reclaim the memory. Only
a reboot works.
You mean you CAN'T kill in to reclaim memory, right?
I am running a VMware instance with vcenter version 6.5. This
does not happen with Java 7 with tomcat 7. Any help would be
appreciate.
Something tells me you are reading or interpreting something
incorrectly, here. Can you please share your raw data, and where you
got that raw data? Something like reports from free/ps/top/sar/etc.?
- -chris
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