# \#performance **URL:** https://community.zeek.org/tag/performance/100.md [Latest](https://community.zeek.org/latest.md) · [Categories](https://community.zeek.org/categories.md) · [Tags](https://community.zeek.org/tags.md) --- ## [CPU pinning in zeek](https://community.zeek.org/t/cpu-pinning-in-zeek/7796)
**Author:** [@trong](https://community.zeek.org/u/trong)\ **Replies:** 5\ **Last updated:** [June 9, 2025, 2:47pm UTC](https://community.zeek.org/t/cpu-pinning-in-zeek/7796 "2025-06-09T14:47:43Z")
I’m currently using Zeek in clustering mode and discovered that the pin\_cpus option allows me to specify which CPU cores the worker nodes should run on. Here is my config \[zeek\] type = logger host = localhost \[manager\]… --- ## [Broker performance tuning](https://community.zeek.org/t/broker-performance-tuning/7690)
**Author:** [@biswa61](https://community.zeek.org/u/biswa61)\ **Replies:** 10\ **Last updated:** [January 24, 2025, 4:21pm UTC](https://community.zeek.org/t/broker-performance-tuning/7690 "2025-01-24T16:21:43Z")
Hi, I am using a zeek (6.1.1) script to send data to a python script using broker communication. The VM has 2 cpu cores .. both zeek and python script running in both the cores. While Zeek is able to send or write data … --- ## [Running Zeek Across Multiple Cores Without Full Cluster Setup](https://community.zeek.org/t/running-zeek-across-multiple-cores-without-full-cluster-setup/7262)
**Author:** [@senatorhotchkiss](https://community.zeek.org/u/senatorhotchkiss)\ **Replies:** 2\ **Last updated:** [February 6, 2024, 8:40am UTC](https://community.zeek.org/t/running-zeek-across-multiple-cores-without-full-cluster-setup/7262 "2024-02-06T08:40:27Z")
New to the platform, but impressed already. I get that you can make a cluster of several zeek instances for LB. But when running in standalone does it not support multiple cores? In HTOP I see several threads, when runn… --- ## [Zeek memory is increasing constantly](https://community.zeek.org/t/zeek-memory-is-increasing-constantly/7172)
**Author:** [@Vijay](https://community.zeek.org/u/Vijay)\ **Replies:** 7\ **Last updated:** [November 27, 2023, 12:23pm UTC](https://community.zeek.org/t/zeek-memory-is-increasing-constantly/7172 "2023-11-27T12:23:21Z")
Hi, I am using zeek 5.0.10 downloaded on 4th Oct 2023. Issue: Zeek memory keeps increasing over the time. Description : i am using Napatech card and distributing the traffic to 70 zeek worker and generating logs on … --- ## [BlueField-2 NIC 100G live capture not creating intel.log](https://community.zeek.org/t/bluefield-2-nic-100g-live-capture-not-creating-intel-log/7151)
**Author:** [@djordan66](https://community.zeek.org/u/djordan66)\ **Replies:** 9\ **Last updated:** [October 4, 2023, 9:31am UTC](https://community.zeek.org/t/bluefield-2-nic-100g-live-capture-not-creating-intel-log/7151 "2023-10-04T09:31:27Z")
Hello! I am struggling with Zeek not generating an intel.log file from my 100G interfaces on my cluster. A live capture of a 10G link on the same device, with the same scripts loads, as the 100G interfaces will net an i… --- ## [Performance Issues after upgrade to Zeek-6](https://community.zeek.org/t/performance-issues-after-upgrade-to-zeek-6/7094)
**Author:** [@redbaron](https://community.zeek.org/u/redbaron)\ **Replies:** 8\ **Last updated:** [August 2, 2023, 9:11am UTC](https://community.zeek.org/t/performance-issues-after-upgrade-to-zeek-6/7094 "2023-08-02T09:11:22Z")
Hi, We are running Zeek in cluster mode on a single machine using PF\_RING (v8.2.0). The node.cfg looks like \[manager\] type=manager host=localhost \[logger\] type=logger host=localhost \[proxy-1\] type=proxy host=localhos… --- ## [High Memory Utilization (50%+) on Zeek Running on Raspberry Pi 4b](https://community.zeek.org/t/high-memory-utilization-50-on-zeek-running-on-raspberry-pi-4b/7038)
**Author:** [@net\_solv](https://community.zeek.org/u/net_solv)\ **Replies:** 8\ **Last updated:** [May 25, 2023, 6:35pm UTC](https://community.zeek.org/t/high-memory-utilization-50-on-zeek-running-on-raspberry-pi-4b/7038 "2023-05-25T18:35:55Z")
Anyone else experiencing high MEMORY utilization? Across 9 devices all seeing over 50% utilization regardless of workload/zeek config. $ /opt/zeek/bin/./zeekctl ps.zeek zeek USER PID PPID %CPU %MEM … --- ## [About usage instruction of the ZAM (Zeek Abstract Machine) feature in newly releases?](https://community.zeek.org/t/about-usage-instruction-of-the-zam-zeek-abstract-machine-feature-in-newly-releases/6792)
**Author:** [@mchen](https://community.zeek.org/u/mchen)\ **Replies:** 8\ **Last updated:** [November 14, 2022, 1:15pm UTC](https://community.zeek.org/t/about-usage-instruction-of-the-zam-zeek-abstract-machine-feature-in-newly-releases/6792 "2022-11-14T13:15:40Z")
Hello everyone, I noticed that there seems a new feature named ZAM (Zeek Assembly Machine) that purposes performance enhancement of zeek script engine, according to An Overview of Zeek Performance New Ways to Speed U…