---> uname -a: Linux prd-centos8-docker-4c-4g-3553.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 2799.998 BogoMIPS: 5599.99 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 828 12026 19 2906 14595 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:75:8c:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.121/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe75:8cdd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a0:0c:44:08 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/25/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:02 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 262.85 16.16 246.69 3292.29 14083.52 01:26:01 PM 74.73 5.28 69.44 1038.19 11552.27 01:27:01 PM 40.29 3.15 37.14 140.11 1020.58 Average: 125.20 8.15 117.05 1480.31 8857.15 01:24:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12404432 14737952 3734888 23.14 2688 2535396 1392448 8.10 195944 3121476 314708 01:26:01 PM 11397504 13777128 4741816 29.38 2688 2580316 2300412 13.38 255016 4058788 1616 01:27:01 PM 12316696 14947256 3822624 23.69 2688 2828600 1217248 7.08 531000 2866116 257228 Average: 12039544 14487445 4099776 25.40 2688 2648104 1636703 9.52 327320 3348793 191184 01:24:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 429.95 315.59 5023.72 52.06 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 22.01 22.01 4.56 4.56 0.00 0.00 0.00 0.00 01:26:01 PM eth0 77.46 38.19 169.50 36.40 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 01:27:01 PM lo 6.87 6.87 1.52 1.52 0.00 0.00 0.00 0.00 01:27:01 PM eth0 67.92 73.89 279.21 927.68 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.68 9.68 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 190.47 141.60 1806.54 340.26 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/25/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:02 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 25.58 0.00 2.61 1.42 0.09 70.31 01:25:01 PM 0 27.66 0.00 2.80 1.09 0.10 68.35 01:25:01 PM 1 30.01 0.00 2.60 1.39 0.08 65.91 01:25:01 PM 2 19.13 0.00 2.40 1.75 0.10 76.61 01:25:01 PM 3 25.49 0.00 2.62 1.43 0.09 70.37 01:26:01 PM all 48.12 0.00 1.26 0.34 0.08 50.20 01:26:01 PM 0 53.84 0.00 0.43 0.08 0.07 45.57 01:26:01 PM 1 57.99 0.00 0.40 0.05 0.07 41.49 01:26:01 PM 2 46.18 0.00 2.21 0.43 0.10 51.08 01:26:01 PM 3 34.45 0.00 1.99 0.79 0.10 62.68 01:27:01 PM all 17.61 0.00 1.42 0.17 0.07 80.74 01:27:01 PM 0 30.73 0.00 2.20 0.28 0.08 66.69 01:27:01 PM 1 9.84 0.00 1.00 0.05 0.07 89.04 01:27:01 PM 2 9.26 0.00 0.92 0.20 0.07 89.55 01:27:01 PM 3 20.57 0.00 1.55 0.13 0.07 77.67 Average: all 30.46 0.00 1.76 0.64 0.08 67.06 Average: 0 37.47 0.00 1.81 0.48 0.08 60.15 Average: 1 32.62 0.00 1.33 0.49 0.07 65.48 Average: 2 24.90 0.00 1.84 0.79 0.09 72.38 Average: 3 26.84 0.00 2.05 0.78 0.08 70.25