Questions tagged [load]
The load tag has no usage guidance.
95
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How should Load Average be calculated on a CPU with Efficiency Cores?
I recently received a MacBook Pro with an M1 pro CPU, which has 2 "efficiency" cores and 8 performance cores. When I run htop/btop/top I get a load average of >2 because the process ...
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LVM Device-mapper (dm-2) 100% busy
We have set up LVM stripping across 06 disk in our DB server for improving IOPS performance.
However during heavy load, it has been observed that device-mapper dm-2 asscociated with these 6 disks is ...
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391
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RHEL8 systemd using a lot of CPU, load on system when doing nothing is very high
I've been trying to determine the source of high load on a system,
top:
top - 09:55:12 up 1 day, 11:48, 4 users, load average: 7.64, 6.52, 6.33
Tasks: 279 total, 2 running, 276 sleeping, 0 ...
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Oracle Linux 8.x - Performance Test (Stress / Load / IO / Network Usage / Memory Usage)
I want to do performance test on Oracle Linux 8 KVM guest server (It will be used as Application server (WLS 14c) and/or Oracle DB server).
What are the best tools I can provide this with? I saw an ...
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2
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45
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How to get load averages and compulsory memory from a script?
uptime piped to sed fixes the first part but what about memory usage? top runs, at least by default, interactively.
So: I need to watch used RAM excluding opportunistic caching(which gets dropped as ...
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911
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MX Linux: Grub boot taking way long time
I noticed that GRUB gets stuck and tries to load attached external usb hard drive instead of the internal HDD. If I remove external HDD during boot then it loads immediately. Is there a way I can stop ...
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load average calculation using top
I'm working on performance testing of application and would like to validate the performance of the server during testing. Currently, the server is a 16 multiprocessor with single core on each CPU.
I'...
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Copy file from server to two target disks
After I rescue some disk, I copy the result (disk image of several TBs ) from local network data storage (LNDS) to target disk as a file. Usualy the filesystem of the target disk is NTFS. The LNDS is ...
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What makes a program load so fast? [closed]
I have this question that I need an answer to.
What makes programs like st, zathura, sxiv, and feh load instantly and what makes programs like VS Code and Google Chrome load so slowly in low-spec ...
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How to get the Avg. RAM and CPU usage for 3 java services which I'm running on Linux machine for load testing metrics
I'm using an AWS remote Linux machine for for Load testing.
Presently I'm using "top" command
Then I also piped few more commands in it to get java specific services
For RAM usage I'm ...
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341
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Need to reduce High load [closed]
I'm using CentosOS VPS, Nginx & Varnish & Apache and I have problem with high load, only if many people visit website in same time.
Website which cause a problem (user: livetvk+), have many ...
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56
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The RAM load is constantly increasing. Is it possible to reduce it?
RAM load rises to 85% from 32G
I have varnish and nginx installed on my server. Recently I noticed that the load on RAM is very high.
I am afraid that it will continue to grow and the site will stop ...
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537
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Nextcloud bulk loading new data with Linux command line
I have nearly 40,000 folders with over 187,000 files to add to a nextcloud server. I did quite a bit a research and finally find an answer which I give below. I added this here so others did not need ...
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Dash-to-Dock Extension in default Gnome Fedora is Crashing
Thanks for taking a look.
I have the default Gnome Fedora installed, and having liked the Dash-to-Dock extension in Arch, I continued to use it in Fedora. Thing is, the system always report a problem ...
user446381
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122
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Does Yocto Linux load manage the cores?
Does Yocto Linux load manage the cores on a multiple core CPU? Tried looking for info on forums, etc. Can't find a definite answer. Thanks!
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Does the existence of linker and loader not depend on operating systems such as Linux?
Does the existence of linker (for performing linking following compilation) and loader (for executing an executable file) not depend on operating systems such as Linux? (I had though of linker and ...
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** File not found /boot/uImage ** When using Angstrom Pre-built Images on BeagleBoneBlack Rev C
I'm trying to boot my BeagleBone Black into Angstrom using pre-built images found here.
My SD card has two partitions BOOT & ROOTFS, and was formatted according to the procedures found here.
...
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380
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High load when Ethernet cable is unplugged
I'm building a system image with v4.19.106 kernel and BusyBox for BeagleBone Black using buildroot 2020.02. If I boot the board from the resulting SD card, I see a strange behaviour: system load stays ...
- 61
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2
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83
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Unidentified loads on CPU
For a while now, I get unusual activity, which comes in bursts of about 1.5 seconds. I can see the activity on XFCE's CPU graph. The intervals are not constant. Sometimes the peak is just milliseconds,...
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How to measure a "temporary load" [duplicate]
As far as I understand, un*x load by definition is an integral measure, averaged over a predefined and quite long time periods. On the other hand, CPU utilisation can be considered a temporary measure:...
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VAAPI usage monitoring
I have Intel Core-i7 8650U processor. I transcode video with ffmpeg. I take attempts to accelerate it. Now I use VAAPI codecs in ffmpeg (h264_vaapi) and vaapi rescaling (scale_vaapi) in filters.
And ...
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Two identical application different cpu usages behavior
I have two openstack instance
node1 - 16 vCPU / 16GB memory
node2 - 8 vCPU / 8GB memory
both machine behind F5 load-balancer (round-robin) and running MongoosIM application, but i am noticing ...
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873
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How to find max queue length for device?
Recently I ran into some I/O overload problrms on some of our machines and I have been searching to find thresholds for some metrics like:
avgqu-sz
await
svctm
Then I saw this post on Stack ...
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111
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How to get CPU "load" of subset of CPU cores?
In my environment, each job is assigned (cpuset) to a subset of CPU cores, almost exclusively. (Actually, it's done by Slurm.)
Since the CPU core occupation is exclusive, can I get/calculate the 1-...
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2
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485
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How to measure the usage of disk cache?
Load Average itself is not very informative about the reasons of overload, so I want an additional characteristic: the percent of disk read operations that are done from cache. To measure it, I ...
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what are the executable ELF files respectively for static linker, dynamic linker, loader and dynamic loader?
In Linux, what are the executable ELF files respectively for
static linker
dynamic linker
loader
dynamic loader?
Which of them are invoked
by execve()
by dlopen()?
How are they invoked by execve(...
- 100k
4
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1
answer
1k
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Why does tar have a low CPU usage but high system load?
I'm using tar to backup my server once every day. Even though CPU usage (of the tar command and the system overall) doesn't go over 10%, my system load is like 3.98 3.71 3.82 when the script is ...
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Data getting overwritten with same timestamp in InfluxDB
There are some data in a csv file and it is getting overwritten if the timestamp is similar, for example:
ip,time,name
1.1.1.1,2018-08-31 11:12:32,python
1.2.1.2,2018-08-31 11:05:28,oracle
1.3.1.3,...
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Why is my Fedora Linux system swapping like crazy? [closed]
Every few days, at differing times my system starts swapping like crazy and the load goes extremely high such that the system is very slow to respond. Sometimes I have waited 4 hours for it to recover,...
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Is ld.so an executable?
$ file /lib/ld-linux.so.2
/lib/ld-linux.so.2: symbolic link to i386-linux-gnu/ld-2.27.so
$ readlink -f /lib/ld-linux.so.2
/lib/i386-linux-gnu/ld-2.27.so
$ file /lib/i386-linux-gnu/ld-2.27.so
/lib/i386-...
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High load on i5 with no visible reason
This has been reported as a bug to Debian.
I have an i5 with high avg. load as shown in top, which for an idle system (with just sshd and 2 sessions) stays around 2.00 all the time. The machine hosts ...
user147505
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Directory size causing cpu load
I am monitoring several high volume directory using Zabbix. I used du command. I need to monitor in every 60sec. But problem is that Zabbix firing du command in every 60sec. it does not check whether ...
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How to get process load avg without tools
I want to list processes and their info in my program. The most information I can get from /proc/[pid]. How does top, htop etc get the average load of a process?
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CPU high load native_queued_spin_lock
I'm using Debian 9(stretch edition) kernel 4.9., hp dl385 g7 server with 32 cpu cores. NIC queues are tied to processor cores. Server is shaping traffic (iproute2 and htb discipline + skbinfo + ipset +...
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How to find concurrent number of connections per second with Apache?
A web-server hosting an application for a client ; which is high-volume or transaction server, it is required to find out "number of concurrent connections" currently in use by the server. This is ...
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System unresponsible - extreme load
Today my server became unresponsible I could not even log in to ssh, but as I am running my own server app on it I was able to recover a "top" data.
Server was running but was not accepting any new ...
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Load > 2, does it matter?
I see the following load on one of our servers
load average: 2.08, 2.09, 2.03
Is it too much and should be handled or can I just leave it? The server is a backup server with no direct usage, it ...
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Figuring out why the load average spiked at a given point in time
I rented a VPS a month ago, which I use to run a couple of web services behind a reverse proxy (JIRA, Confluence and gitlab), and I'm basically the only user of these services.
During this month ...
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572
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cgroups CPU quota vs system load metric
I'm wondering about if and how cgroups affects system load metric. Let's assume I'm running CPU-heavy process within cgroups with config:
cpu.cfs_quota_us = 50000
cpu.cfs_period_us = 100000
So ...
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finding the root of high CPU load
The output of top command shows that CPU load is about 82!. The system has 32 cores. Normally, each core increment the load by one.
How can I find out what is exactly happening?
top - 11:20:43 up 88 ...
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Reducing Load On Server
I am having the strangest of issues with a cPanel server.
Basically the server is using very little CPU and Memory in comparisson to what it has available but still the server's load keeps driving up ...
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multiple directories for sar command
Is it normal for below directories created by sar command
-rw-r--r-- 1 root root 348948 Nov 3 23:50 sa03
-rw-r--r-- 1 root root 348757 Nov 3 23:53 sar03
-rw-r--r-- 1 root root 348948 Nov 4 23:50 ...
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Creating CPU/GPU/Memory load average history
In our research group we are running a computing server for deep learning with a number of NVIDIA Titan X graphics cards and quite some CPU cores. Given that it is a research lab and we have ~10 ...
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4
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atd, batch // Setting the load limiting factor
I am launching non interactive jobs using batch, and I would like to increase the load limiting factor in order to use all 8 of my cores. I am on Ubuntu 16.04 LTS.
From what I understand, batch uses ...
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What should I consider when deciding how many processes to run on an application host? [closed]
I work in operations, and as such am the primary decision maker for some deployments of our services. I work with a distributed application that involves several types of "services", some more ...
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Proper way distribute several scientific experiments across multiple servers?
In case I have 8 powerful machines, what is the proper way to distribute and balance the load from user applications and scientific experiments?
Is virtualization right way to go, or is there any ...
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How to increase server load?
I am attempting to stress a server as much as I can before it goes into production. I’m using Jmeter and have been able to add a little more stress by modifying scripts. I’ve also modified JVM ...
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How to troubleshoot high load when kernel module is suspect?
I have noticed a bug with Ubuntu 14.04.4 LTS; if the NFS client loses connection to the NFS server the load on that system will spike to upwards of 30.
The only way I've noticed to bring the load ...
user26053
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Is it possible to allocate RAM for all the code and data in an ELF file during loading?
I know that, in Linux, a page of RAM will not be allocated for a page of virtual address space until a virtual address in the page is referenced. However, I'm using embedded Linux in a device where ...
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System Load averages
As a disclaimer, I have read related question to this topic, but still a bit confused in regards to the situation I am seeing.
Understanding system load
and also:
Understanding top and load average
...
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