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I got this error when I tried to run topology in local mode with storm using

mvn compile exec:java -Dexec.classpathScope=compile -Dexec.mainClass=my.Topology

the error is

ERROR backtype.storm.util - Async loop died!
java.lang.OutOfMemoryError: Physical memory usage is too high: physicalBytes = 3G > maxPhysicalBytes = 3G

How can I solve it? I don't know which Physical memory I should increase ! and if I run the topology in production mode, will this error be disappeared?


Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 32 GB
Error Information Handle: 0x0019
Number Of Devices: 4

I'm also using Apache Storm with JavaCV (OpenCV). I have two Topologies, and the second Topology on the process has two bolts, one for split a video into frames, and another bolt for detecting faces.

I had the same issue:

2017-08-02 11:19:18.578 o.a.s.util Thread-5-OpenCVBolt-executor[3 3] [ERROR] 
Async loop died!
java.lang.OutOfMemoryError: Physical memory usage is too high: physicalBytes = 1G > maxPhysicalBytes = 1G
at org.bytedeco.javacpp.Pointer.deallocator( ~[stormjar.jar:?]
at org.bytedeco.javacpp.helper.opencv_core$AbstractCvMemStorage.create( ~[stormjar.jar:?]
at org.bytedeco.javacpp.helper.opencv_core$AbstractCvMemStorage.create( ~[stormjar.jar:?]
at OpenCVBolt.detect( ~[stormjar.jar:?]
at OpenCVBolt.execute( ~[stormjar.jar:?]
at org.apache.storm.daemon.executor$fn__4973$tuple_action_fn__4975.invoke(executor.clj:727) ~[storm-core-1.0.3.jar:1.0.3]
at org.apache.storm.daemon.executor$mk_task_receiver$fn__4894.invoke(executor.clj:459) ~[storm-core-1.0.3.jar:1.0.3]
at org.apache.storm.disruptor$clojure_handler$reify__4409.onEvent(disruptor.clj:40) ~[storm-core-1.0.3.jar:1.0.3]
at org.apache.storm.utils.DisruptorQueue.consumeBatchToCursor( ~[storm-core-1.0.3.jar:1.0.3]

I was able to solve it. I don't know if you are using JavaCV to work with video and images. If so, and you are working with Maven, make sure you work with JavaCV version 1.3.2 in your pom.xml:


Then, you need to apply the following lines in the prepare() method in your Bolt to change the property of maxPhysicalBytes.

System.setProperty("org.bytedeco.javacpp.maxphysicalbytes", "0"); 
System.setProperty("org.bytedeco.javacpp.maxbytes", "0");

That's work for me. The error has disappeared. I hope this helps you.


public void prepare(Map conf, TopologyContext context, OutputCollector collector) {

    System.setProperty("org.bytedeco.javacpp.maxphysicalbytes", "0");
    System.setProperty("org.bytedeco.javacpp.maxbytes", "0");

    _collector = collector;

Physical Memory usage too high, Windows 7 Jumping Cpu Usage, High Physical Memory Usage - posted in windows 7 again, my physical memory in task manager is very high, and taking up too much memory, but I only know how to check total memory. In certain cases, the memory usage could climb up as high as 70 percent, going further up to 100 percent if a restart isn’t performed. This high memory usage on Windows 10 brings computer usage and performance to a halt. But you don’t have to sit on this problem for a long time.

How To Fix High RAM Memory Usage In Windows 7 [Tutorial , Join our Best PC Builds competition and get on the Tom's Hardware home page. Check it out here. Physical Memory Usage way too high. Thread  Physical Memory usage too high My computer is having a memory usage problems. My physical memory usage is 50 up to 95. i didn't open anything but it automatically rises up.

I had the same issue with my while working on DL4J sentimentRNN, after making much research, I found a resource where I found that I had to add some options to the VM argument


I am sure that if you adjust the value of -Xms,-Xmx or XX to your computer spec, you'll find what works for your computer memory.

I had to add this to mine vm option:

-Xms5024m -Xmx10g -XX:MaxPermSize=6g

I use a somewhat high spec PC and the options above works for me and make my code run faster.

I hope this helps

Windows 7 Jumping Cpu Usage, High Physical Memory Usage , Dropped 96% down to 20% physical memory. Thanks! Reply Upvote. 0. Reydxd. Hi, Running the Arbiter example in a for loop (and not calling System.exit) can cause an "OutOfMemoryError: Physical memory usage is too high" Exception. I've tried to find a model/configuration for a RNN-LSTM for different datasets.

This most probably means you are running out of space in the server. If it's a linux box do this to check available memory:- ps aux --sort -rss This sorts the process RAM consumption by the RSS value

RSS: resident set size, the non-swapped physical memory that a task has used (in kiloBytes).


zhossain@zhossain-linux1:~$ ps aux --sort -rss
zhossain 31934 98.2  8.2 1941088 1328536 pts/4 Rl+  16:13   1:48 python /local/mnt/workspace/
root      2419  0.1  0.5 241156 88100 ?        Sl   Apr05 136:00 splunkd -h -p 8089 restart
root      1544  0.1  0.3 740048 60820 ?        Ssl  Feb15 266:43 /usr/sbin/automount
root      2486  0.0  0.1 331680 28240 ?        S    11:19   0:11 smbd -F
root       867  0.0  0.1 257000 27472 ?        Ssl  Feb15   0:22 rsyslogd
colord    1973  0.0  0.0 304988 13900 ?        Sl   Feb15   1:37 /usr/lib/colord/colord

Physical Memory Usage way too high, It also gives 11 methods to fix Windows 10 high memory usage caused by Or if a program occupies too much memory, users can also end this program to The physical memory size can be found in Properties of This PC. The amount of memory used is not that high for what you are running as some of those are a constant, such as teatimer which I believe is part of Spybot S & D correct ? Yes the Services will take up memory as they are tied in with various processes and a lot of the Microsoft services will also be a constant as long as your computer is plugged in and running.

How Can I Reduce High Memory Usage in Windows 7 : 15 Steps , Except for Firefox, I don't see anything using too much memory. Here are a couple of screens of the Task Manager and Resource Monitor: Physical Memory/CPU Usage showing high Hi I'm using a windows 7 x64 home edition on an hp desktop. 3 gb ram 584 gb memory. Lately my physical memory has been running unusually high at 44 - 45% with nothing up or just with chrome and can get up into 60 - 75% when I'm actually browsing on chrome. here are a couple screens of my physical

Windows 10 High Memory Usage [Causes and Solutions], I'm also using Apache Storm with JavaCV (OpenCV). I have two Topologies, and the second Topology on the process has two bolts, one for split a video into 

Extremely high physical memory usage Solved, A high value is a good thing, provided it comes primarily from that my physical memory usage was too high and to close that program to avoid 

  • Why would maxPhysicalBytes be 3G? Are you running a 32-bit JVM?
  • excuse me , how can i know if i'm working with 32-bit JVM ? i don't know why maxPhysicalBytes be 3 GB
  • Can you provide a full stacktrace?
  • i edited the post
  • really thanks for replying , i don't use JavaCV . I'm dealing with text . Is there another way to try it ? About your error , you solved it by change version of javacv and put some configurations in the bolt . so the problem was not in RAM memory just some changed should be made !
  • Regardless of whether you use JavaCV or not, I think the error message will disappear if your Bolt, the prepare () method, is like the one above (I've updated my message).
  • thanks for your answer , but i think the problem in the algorithm that i'm using because it needs high memory . so i thought that i'm able to increase the size of Physical which i didn't know if it's RAM or not ? my laptop corei5 with RAM8GB . Can i increase RAM more or i can't ?
  • Well the message says that it is only using 3GB ... so that suggests that physical RAM is not the problem. Can you expand your laptop's memory? Depends on the hardware. Check the manufacturer's specifications.
  • if you please can you tell me how can i increase it ? I'm on ubuntu 14.04LTS
  • what is the difference between laptop's memory and RAM ?
  • Expanding RAM on a laptop is not a software problem. Ask on SuperUser, or somewhere else. Or do what I suggested - Check the manufacturer's specifications - do they say what the max RAM is?
  • thanks , but what should i do after this command ? how can i detect the problem and how can i solve it ?
  • If you see any process(es) hogging lot of memory find out what that is - try to kill it to free some resource for your operation
  • i tried to kill the processes that took much but error still