# \#cpu **URL:** https://community.openhab.org/tag/cpu/349.md [Latest](https://community.openhab.org/latest.md) · [Categories](https://community.openhab.org/categories.md) · [Tags](https://community.openhab.org/tags.md) --- ## [CPU usage qtp threads](https://community.openhab.org/t/cpu-usage-qtp-threads/166626)
**Author:** [@Dash](https://community.openhab.org/u/Dash)\ **Replies:** 9\ **Last updated:** [March 26, 2026, 9:38pm UTC](https://community.openhab.org/t/cpu-usage-qtp-threads/166626 "2026-03-26T21:38:57Z")
Following on from the command in this thread to monitor for high CPU usage High CPU Usage since upgrade to 5.0.1 Can anyone point me towards the docs, or let me know what “qtp” tasks are, and how to identify what they c… --- ## [Performance issues after clear cache and docker down/up](https://community.openhab.org/t/performance-issues-after-clear-cache-and-docker-down-up/156956)
**Author:** [@Silvia\_C](https://community.openhab.org/u/Silvia_C)\ **Replies:** 1\ **Last updated:** [July 1, 2024, 1:54pm UTC](https://community.openhab.org/t/performance-issues-after-clear-cache-and-docker-down-up/156956 "2024-07-01T13:54:44Z")
Platform information: Hardware : Intel x86\_64 OS: SMP Debian 5.10.205-2 (2023-12-31) x86\_64 GNU/Linux Java Runtime Environment : from docker image: openhab/openhab:3.4.5 I’m running OH in a docker container, start… --- ## [https://github.com/IamTheCarl/system-mqtt](https://community.openhab.org/t/https-github-com-iamthecarl-system-mqtt/154907)
**Author:** [@Oekel](https://community.openhab.org/u/Oekel)\ **Replies:** 7\ **Last updated:** [March 30, 2024, 6:53pm UTC](https://community.openhab.org/t/https-github-com-iamthecarl-system-mqtt/154907 "2024-03-30T18:53:54Z")
Hi everybody, I am trying to get the following working on my Pi1 (Having also a Pi2, Pi3 newt to me) https://github.com/IamTheCarl/system-mqtt But I didn’t come through the installation process. Stucking hard within … --- ## [High CPU Usage with network binding](https://community.openhab.org/t/high-cpu-usage-with-network-binding/150574)
**Author:** [@anon63824877](https://community.openhab.org/u/anon63824877)\ **Replies:** 4\ **Last updated:** [October 24, 2023, 9:18am UTC](https://community.openhab.org/t/high-cpu-usage-with-network-binding/150574 "2023-10-24T09:18:59Z")
Hello there, First of all: I am unsure whether this issue belongs in the community or as a github issue. Feel free to tell me to open this on github. I am facing the issue that my openhab installation produces a huge c… --- ## [CPU Temperature on Unraid](https://community.openhab.org/t/cpu-temperature-on-unraid/149910)
**Author:** [@mjeshurun](https://community.openhab.org/u/mjeshurun)\ **Replies:** 3\ **Last updated:** [September 27, 2023, 12:41pm UTC](https://community.openhab.org/t/cpu-temperature-on-unraid/149910 "2023-09-27T12:41:00Z")
Hi Friends, I’m using OpenHAB 4.0.3 and would like it to monitor my home server’s CPU temperature so that when the CPU temperature is very high, OpenHAB will automatically run a rule to turn ON my air conditioner until … --- ## [Java CPU 100% on 1 core](https://community.openhab.org/t/java-cpu-100-on-1-core/142659)
**Author:** [@oppo1967p](https://community.openhab.org/u/oppo1967p)\ **Replies:** 10\ **Last updated:** [December 29, 2022, 6:35pm UTC](https://community.openhab.org/t/java-cpu-100-on-1-core/142659 "2022-12-29T18:35:07Z")
Hi, I am using OH3 version 3.3 on openhabian platform (RPi3). Using only few bindings from original source. I found recently that the system was not responsive and was very slow especially in the webpage display, iOS … --- ## [100% CPU usage on one core](https://community.openhab.org/t/100-cpu-usage-on-one-core/38566)
**Author:** [@maciekish](https://community.openhab.org/u/maciekish)\ **Replies:** 1\ **Last updated:** [January 10, 2018, 3:36pm UTC](https://community.openhab.org/t/100-cpu-usage-on-one-core/38566 "2018-01-10T15:36:03Z")
Hi, I’m running Openhab 2.2 on Ubuntu 16.04 installed via OpenHABian script. The only thing constantly running is iCloud location synchronization every 5 mintues yet one of the Openhab Java processes are using 100% CPU.… --- ## [openHAB 2.1 very high cpu](https://community.openhab.org/t/openhab-2-1-very-high-cpu/35951)
**Author:** [@daka](https://community.openhab.org/u/daka)\ **Replies:** 9\ **Last updated:** [November 14, 2017, 10:56pm UTC](https://community.openhab.org/t/openhab-2-1-very-high-cpu/35951 "2017-11-14T22:56:29Z")
I use an ODROID-C2 arm64 device to run openHAB. Up until version 2.0 of openHAB, this worked fine. Was running 64 bit JVM without any problem. But when I upgraded to version 2.1 the server starts to use a lot of cpu and … --- ## [openHABian slow, averaging high CPU-usage](https://community.openhab.org/t/openhabian-slow-averaging-high-cpu-usage/35101)
**Author:** [@binderth](https://community.openhab.org/u/binderth)\ **Replies:** 6\ **Last updated:** [October 24, 2017, 2:02pm UTC](https://community.openhab.org/t/openhabian-slow-averaging-high-cpu-usage/35101 "2017-10-24T14:02:38Z")
Is there a way to find out, which specific tasks consume CPU-power? Since a few days or weeks (?) I notice sometimes very slow behaviour of my openHABian (RPI 3, 1.3 openHABian, 2.1 stable). I suspect some configuration… --- ## [Optimized ComfoAir binding - Lower CPU usage](https://community.openhab.org/t/optimized-comfoair-binding-lower-cpu-usage/6788)
**Author:** [@csowada](https://community.openhab.org/u/csowada)\ **Replies:** 13\ **Last updated:** [March 8, 2017, 7:16am UTC](https://community.openhab.org/t/optimized-comfoair-binding-lower-cpu-usage/6788 "2017-03-08T07:16:02Z")
Hello, I researched a bit on the ComfoAir binding to reduce the CPU consumption and added the known RXTX serial optimization. I also add smaller changes to prevent unlimit thread growth (theoretically) and remove the fl… --- ## [CPU temp \[Solved\]](https://community.openhab.org/t/cpu-temp-solved/4197)
**Author:** [@Ondrej\_Nedelka](https://community.openhab.org/u/Ondrej_Nedelka)\ **Replies:** 14\ **Last updated:** [April 29, 2016, 12:39pm UTC](https://community.openhab.org/t/cpu-temp-solved/4197 "2016-04-29T12:39:41Z")
Hello guys! Can someone help me, how to read every 5 secs cpu temperature and print it on sitemap? I have frame “Diagnostics”, where i can review whats going on with the house, network and system. Thanks! --- ## [Serial port binding cpu usage](https://community.openhab.org/t/serial-port-binding-cpu-usage/4090)
**Author:** [@TheNetStriker](https://community.openhab.org/u/TheNetStriker)\ **Replies:** 2\ **Last updated:** [November 19, 2015, 10:34pm UTC](https://community.openhab.org/t/serial-port-binding-cpu-usage/4090 "2015-11-19T22:34:12Z")
I’ve noticed that openhab is constantly using about 15% percent of the cpu on my BeagleBone Black. I’ve found out that a thread of the serial port binding is causing this cpu load. 15% is not much, but I’m planning on ad…