Questions tagged [swapping]
23 questions
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Swap being used when not necessary
I have: vm.swappiness = 1 as suggested here to prevent using Swap when there is plenty of available memory.
(0 would completely disable swap, as far as I understand)
In frequent cases, I end up with, say, 5GB swap used (total 16GB),
while I have 9GB…
Nuno
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vSphere | VMs are balooning and swapping | sched.mem.max paratmetar does not exist
I have two VMs in ESXi5.5 environment that are swapping memory. After a long research I found out the below two articles where it is explained that one must compare the values of memsize and sched.mem.max and they must be the same or sched.mem.max…
Spirit
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Our Red Hat Enterprise 5 Server is swapping itself to death - need a plan for detecting the cause
At seemingly random intervals, the memory usage on our server is increasing over the maximum available and swapping until the CPU usage is also 100%. It then starts killing off processes when it runs out of swap memory and we have to restart the…
Starky
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Ubuntu - how to determine cause for server swaps?
One of my servers is crashing once in a few days.
It does web serving + some background jobs like XML file processing.
If you look at the screenshot http://awesomescreenshot.com/075xmd24 you'll see that the server swaps although it has lots of free…
Niro
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High I/O wait and Context Switches - how to debug
Update:
sar -W -B -d output added to bottom of post.
I have simulated this on boot. I have uwsgi starting 9 instances of a django app, along with gunicorn for websockets, and dramatiq for queue handing. It seems like it swaps like crazy for the…
Tim Nelson
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AMD Optane alternative
I want to have an Optane features with my Ryzen build: high TBW and high I/O. Disk space irrelevant (like MEMPEK1W064GA, 64GB would be enough for me). And it would be nice if I can utilize the full power of my free PCIe 4.0 lane. Now I have an PCIe…
tchspprt
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Windows, File share - abysmally slow and swapping?
Given:
A server with 2008 R2 Standard.
16 GB RAM in use for Hyper-V and OS, very low activity.
A separate RAID 5 for files, on it 500gb files (1.5 gb/file about)
A process on another machine reading 8 files at the same time. The only process using…
TomTom
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Linux makes cache for swap. what for?
It looks like joke: swapfile on "ramdysk" in 64bits system?
I look into file: /proc/meminfo and made some investigation.
Look for line: SwapCached: nnnnn kB .
One is what I don't understand. What for linux kernel caches swap?
What for caching…
Znik
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