Interpreting memory usage in htop

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Trying to diagnose a memory issue using htop. As can be seen on the Mem-bar at the top, 9.05 out of 9.5 GB is used.



Question 1: How do I determine what's eating up all my memory?



The output from htop seems to indicate that the Java process at the top is the biggest culprit, but at the same time it only consumes 15.6%! It doesn't add up!



Question 2: How should I interpret the output from htop?



enter image description here




linux memory htop




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  • when in doubt, close all interactive apps and revisit.
    – ajeh
    Apr 20 at 14:29










  • I could also restart the computer. This clever little tip doesn't address my question though.
    – aioobe
    Apr 20 at 14:31










  • Your sarcasm is misplaced. If yo do not know what is eating up your RAM, start closing processes one by one and re-check after each of them. But if you restart your system, you loose the chance to detect what exactly was the cause. HTH.
    – ajeh
    Apr 20 at 15:17






  • 1




    Great, then use man htop
    – ajeh
    Apr 20 at 16:07






  • 1




    The problem is that the question is not clear. It reads as a specific What is my problem? question. Whereas you are trying, but not really succeeding, to ask a general How do I actually use this tool to diagnose such problems? question. You've buried that at the end. It needs to be more prominent in the question, and not seemingly a subordinate afterthought.
    – JdeBP
    May 1 at 7:06














up vote
1
down vote

favorite












Trying to diagnose a memory issue using htop. As can be seen on the Mem-bar at the top, 9.05 out of 9.5 GB is used.



Question 1: How do I determine what's eating up all my memory?



The output from htop seems to indicate that the Java process at the top is the biggest culprit, but at the same time it only consumes 15.6%! It doesn't add up!



Question 2: How should I interpret the output from htop?



enter image description here




linux memory htop




share|improve this question





















  • when in doubt, close all interactive apps and revisit.
    – ajeh
    Apr 20 at 14:29










  • I could also restart the computer. This clever little tip doesn't address my question though.
    – aioobe
    Apr 20 at 14:31










  • Your sarcasm is misplaced. If yo do not know what is eating up your RAM, start closing processes one by one and re-check after each of them. But if you restart your system, you loose the chance to detect what exactly was the cause. HTH.
    – ajeh
    Apr 20 at 15:17






  • 1




    Great, then use man htop
    – ajeh
    Apr 20 at 16:07






  • 1




    The problem is that the question is not clear. It reads as a specific What is my problem? question. Whereas you are trying, but not really succeeding, to ask a general How do I actually use this tool to diagnose such problems? question. You've buried that at the end. It needs to be more prominent in the question, and not seemingly a subordinate afterthought.
    – JdeBP
    May 1 at 7:06












up vote
1
down vote

favorite









up vote
1
down vote

favorite











Trying to diagnose a memory issue using htop. As can be seen on the Mem-bar at the top, 9.05 out of 9.5 GB is used.



Question 1: How do I determine what's eating up all my memory?



The output from htop seems to indicate that the Java process at the top is the biggest culprit, but at the same time it only consumes 15.6%! It doesn't add up!



Question 2: How should I interpret the output from htop?



enter image description here




linux memory htop




share|improve this question













Trying to diagnose a memory issue using htop. As can be seen on the Mem-bar at the top, 9.05 out of 9.5 GB is used.



Question 1: How do I determine what's eating up all my memory?



The output from htop seems to indicate that the Java process at the top is the biggest culprit, but at the same time it only consumes 15.6%! It doesn't add up!



Question 2: How should I interpret the output from htop?



enter image description here





linux memory htop





share|improve this question












share|improve this question




share|improve this question








edited May 1 at 9:10
























asked Apr 19 at 11:13









aioobe

23819




23819











  • when in doubt, close all interactive apps and revisit.
    – ajeh
    Apr 20 at 14:29










  • I could also restart the computer. This clever little tip doesn't address my question though.
    – aioobe
    Apr 20 at 14:31










  • Your sarcasm is misplaced. If yo do not know what is eating up your RAM, start closing processes one by one and re-check after each of them. But if you restart your system, you loose the chance to detect what exactly was the cause. HTH.
    – ajeh
    Apr 20 at 15:17






  • 1




    Great, then use man htop
    – ajeh
    Apr 20 at 16:07






  • 1




    The problem is that the question is not clear. It reads as a specific What is my problem? question. Whereas you are trying, but not really succeeding, to ask a general How do I actually use this tool to diagnose such problems? question. You've buried that at the end. It needs to be more prominent in the question, and not seemingly a subordinate afterthought.
    – JdeBP
    May 1 at 7:06
















  • when in doubt, close all interactive apps and revisit.
    – ajeh
    Apr 20 at 14:29










  • I could also restart the computer. This clever little tip doesn't address my question though.
    – aioobe
    Apr 20 at 14:31










  • Your sarcasm is misplaced. If yo do not know what is eating up your RAM, start closing processes one by one and re-check after each of them. But if you restart your system, you loose the chance to detect what exactly was the cause. HTH.
    – ajeh
    Apr 20 at 15:17






  • 1




    Great, then use man htop
    – ajeh
    Apr 20 at 16:07






  • 1




    The problem is that the question is not clear. It reads as a specific What is my problem? question. Whereas you are trying, but not really succeeding, to ask a general How do I actually use this tool to diagnose such problems? question. You've buried that at the end. It needs to be more prominent in the question, and not seemingly a subordinate afterthought.
    – JdeBP
    May 1 at 7:06















when in doubt, close all interactive apps and revisit.
– ajeh
Apr 20 at 14:29




when in doubt, close all interactive apps and revisit.
– ajeh
Apr 20 at 14:29












I could also restart the computer. This clever little tip doesn't address my question though.
– aioobe
Apr 20 at 14:31




I could also restart the computer. This clever little tip doesn't address my question though.
– aioobe
Apr 20 at 14:31












Your sarcasm is misplaced. If yo do not know what is eating up your RAM, start closing processes one by one and re-check after each of them. But if you restart your system, you loose the chance to detect what exactly was the cause. HTH.
– ajeh
Apr 20 at 15:17




Your sarcasm is misplaced. If yo do not know what is eating up your RAM, start closing processes one by one and re-check after each of them. But if you restart your system, you loose the chance to detect what exactly was the cause. HTH.
– ajeh
Apr 20 at 15:17




1




1




Great, then use man htop
– ajeh
Apr 20 at 16:07




Great, then use man htop
– ajeh
Apr 20 at 16:07




1




1




The problem is that the question is not clear. It reads as a specific What is my problem? question. Whereas you are trying, but not really succeeding, to ask a general How do I actually use this tool to diagnose such problems? question. You've buried that at the end. It needs to be more prominent in the question, and not seemingly a subordinate afterthought.
– JdeBP
May 1 at 7:06




The problem is that the question is not clear. It reads as a specific What is my problem? question. Whereas you are trying, but not really succeeding, to ask a general How do I actually use this tool to diagnose such problems? question. You've buried that at the end. It needs to be more prominent in the question, and not seemingly a subordinate afterthought.
– JdeBP
May 1 at 7:06















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