---> uname -a: Linux prd-centos8-docker-4c-4g-18319.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 753 12103 20 2903 14669 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:1c:a3:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.238/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe1c:a39c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8e:3e:15:f9 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) 09/06/2026 _x86_64_ (4 CPU) 13:22:40 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 265.22 74.86 190.35 9600.13 42469.40 01:25:01 PM 264.51 14.83 249.68 3115.88 16279.24 01:26:01 PM 74.79 6.30 68.49 1081.29 9059.39 01:27:01 PM 32.32 1.65 30.67 123.03 1331.09 Average: 159.21 24.41 134.80 3480.45 17286.21 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13409484 15147312 2729832 16.91 2688 1955452 1123148 6.53 138144 2240080 156888 01:25:01 PM 12529304 14838056 3610012 22.37 2688 2511784 1365424 7.94 193380 2998640 222708 01:26:01 PM 11337740 13713748 4801576 29.75 2688 2577556 2372832 13.81 255144 4116740 1636 01:27:01 PM 12408376 15042468 3730940 23.12 2688 2833504 1140052 6.63 540776 2763852 250708 Average: 12421226 14685396 3718090 23.04 2688 2469574 1500364 8.73 281861 3029828 157985 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 243.98 173.08 1631.92 65.06 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 406.92 311.18 4540.95 49.74 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 23.38 23.38 4.87 4.87 0.00 0.00 0.00 0.00 01:26:01 PM eth0 107.25 71.64 519.88 62.54 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 5.45 5.45 1.20 1.20 0.00 0.00 0.00 0.00 01:27:01 PM eth0 98.93 81.51 279.64 928.56 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 7.21 7.21 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 214.27 159.35 1743.03 276.48 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) 09/06/2026 _x86_64_ (4 CPU) 13:22:40 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 22.14 0.00 3.12 2.82 0.01 71.92 01:24:01 PM 0 22.87 0.00 3.74 0.80 0.02 72.57 01:24:01 PM 1 15.71 0.00 2.14 0.77 0.00 81.38 01:24:01 PM 2 35.91 0.00 3.67 2.13 0.00 58.30 01:24:01 PM 3 14.07 0.00 2.91 7.57 0.02 75.43 01:25:01 PM all 24.59 0.00 2.67 1.44 0.01 71.28 01:25:01 PM 0 27.79 0.00 3.61 1.49 0.00 67.11 01:25:01 PM 1 18.79 0.00 2.14 1.57 0.02 77.47 01:25:01 PM 2 23.02 0.00 2.61 1.71 0.02 72.65 01:25:01 PM 3 28.78 0.00 2.30 1.01 0.02 67.90 01:26:01 PM all 44.25 0.00 1.34 0.46 0.01 53.94 01:26:01 PM 0 50.82 0.00 1.18 0.47 0.02 47.51 01:26:01 PM 1 40.98 0.00 1.89 0.50 0.02 56.61 01:26:01 PM 2 33.57 0.00 1.51 0.79 0.00 64.14 01:26:01 PM 3 51.60 0.00 0.80 0.07 0.00 47.53 01:27:01 PM all 18.53 0.00 1.77 0.27 0.02 79.42 01:27:01 PM 0 22.82 0.00 1.90 0.07 0.02 75.20 01:27:01 PM 1 8.21 0.00 1.46 0.37 0.02 89.95 01:27:01 PM 2 12.74 0.00 1.12 0.02 0.02 86.11 01:27:01 PM 3 30.32 0.00 2.59 0.63 0.02 66.44 Average: all 27.38 0.00 2.22 1.25 0.01 69.14 Average: 0 31.08 0.00 2.61 0.71 0.01 65.59 Average: 1 20.93 0.00 1.91 0.80 0.01 76.35 Average: 2 26.30 0.00 2.22 1.16 0.01 70.31 Average: 3 31.21 0.00 2.15 2.32 0.01 64.31