---> uname -a: Linux prd-centos8-docker-4c-4g-1677.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 801 12197 19 2763 14626 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:b1:d3:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.111/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86136sec preferred_lft 86136sec inet6 fe80::f816:3eff:feb1:d396/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2b:85:08:b4 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/20/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 176.24 15.14 161.10 3205.60 9365.78 01:25:01 PM 197.27 6.16 191.10 1054.85 14526.17 01:26:01 PM 31.23 0.50 30.73 17.06 852.26 Average: 134.92 7.27 127.65 1425.92 8248.48 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13006532 14970088 3135000 19.42 2688 2171924 1256188 7.31 181408 2569864 151208 01:25:01 PM 11550892 13789004 4590640 28.44 2688 2440848 2338844 13.61 249564 3921632 9064 01:26:01 PM 12461728 14938376 3679804 22.80 2688 2678020 1222912 7.11 345256 2920144 246336 Average: 12339717 14565823 3801815 23.55 2688 2430264 1605981 9.34 258743 3137213 135536 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 134.99 106.95 1538.23 26.04 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 12.31 12.31 3.48 3.48 0.00 0.00 0.00 0.00 01:25:01 PM eth0 332.32 226.97 3758.38 50.97 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 16.86 16.86 2.63 2.63 0.00 0.00 0.00 0.00 01:26:01 PM eth0 50.54 43.36 268.47 19.61 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.73 9.73 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 172.62 125.77 1855.12 32.20 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/20/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.17 0.00 2.41 1.27 0.07 70.08 01:24:01 PM 0 31.00 0.00 2.55 1.12 0.08 65.25 01:24:01 PM 1 19.60 0.00 1.64 0.49 0.07 78.21 01:24:01 PM 2 13.41 0.00 1.54 1.32 0.07 83.67 01:24:01 PM 3 40.66 0.00 3.92 2.14 0.07 53.21 01:25:01 PM all 54.50 0.00 2.12 1.37 0.09 41.92 01:25:01 PM 0 60.75 0.00 1.25 0.48 0.08 37.43 01:25:01 PM 1 57.36 0.00 1.76 0.94 0.10 39.85 01:25:01 PM 2 56.41 0.00 2.32 1.37 0.08 39.81 01:25:01 PM 3 43.44 0.00 3.13 2.70 0.10 50.63 01:26:01 PM all 14.56 0.00 1.20 0.13 0.07 84.04 01:26:01 PM 0 11.79 0.00 1.47 0.18 0.07 86.49 01:26:01 PM 1 19.01 0.00 0.87 0.03 0.08 80.00 01:26:01 PM 2 10.66 0.00 1.22 0.10 0.07 87.96 01:26:01 PM 3 16.80 0.00 1.24 0.20 0.05 81.71 Average: all 31.73 0.00 1.91 0.92 0.08 65.36 Average: 0 34.50 0.00 1.76 0.60 0.08 63.07 Average: 1 31.98 0.00 1.42 0.49 0.08 66.03 Average: 2 26.82 0.00 1.69 0.93 0.07 70.48 Average: 3 33.62 0.00 2.76 1.68 0.07 61.87