---> uname -a: Linux prd-centos8-docker-4c-4g-10191.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1023 10805 19 3931 14388 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:8c:63:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.197/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86016sec preferred_lft 86016sec inet6 fe80::f816:3eff:fe8c:63f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5e:78:c2:c8 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 inet6 fe80::42:5eff:fe78:c2c8/64 scope link 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) 06/09/2026 _x86_64_ (4 CPU) 15:18:59 LINUX RESTART (4 CPU) 03:20:01 PM tps rtps wtps bread/s bwrtn/s 03:21:01 PM 115.09 0.33 114.76 32.52 9042.42 03:22:01 PM 193.95 5.96 187.99 756.42 11863.42 03:23:01 PM 123.62 2.02 121.61 497.88 23685.11 03:24:01 PM 990.02 75.00 915.01 1414.16 33032.28 03:25:01 PM 87.89 43.94 43.94 759.47 1511.13 Average: 302.09 25.45 276.64 692.06 15826.90 03:20:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:21:01 PM 13141320 15056012 2998000 18.58 2688 2124912 1150808 6.70 152912 2467052 169136 03:22:01 PM 11898084 14113536 4241236 26.28 2688 2417632 2128480 12.38 192648 3631936 148872 03:23:01 PM 11341924 14226312 4797396 29.72 2688 3065656 1812384 10.54 423260 3888956 124748 03:24:01 PM 10182828 13777068 5956492 36.91 2688 3584156 1893220 11.01 470968 4582348 6756 03:25:01 PM 11095456 14758876 5043864 31.25 2688 3647824 1186836 6.91 682580 3461080 54896 Average: 11531922 14386361 4607398 28.55 2688 2968036 1634346 9.51 384474 3606274 100882 03:20:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 PM eth0 79.97 57.93 1130.14 27.21 0.00 0.00 0.00 0.00 03:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 PM eth0 318.74 250.51 3628.68 40.92 0.00 0.00 0.00 0.00 03:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 PM lo 6.63 6.63 4.63 4.63 0.00 0.00 0.00 0.00 03:23:01 PM eth0 234.37 178.73 3080.98 1197.90 0.00 0.00 0.00 0.00 03:23:01 PM docker0 3.35 3.20 4.09 0.45 0.00 0.00 0.00 0.00 03:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 PM eth0 138.29 89.75 1054.90 14.24 0.00 0.00 0.00 0.00 03:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 PM eth0 22.88 20.33 51.54 45.45 0.00 0.00 0.00 0.00 03:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.33 1.33 0.93 0.93 0.00 0.00 0.00 0.00 Average: eth0 158.86 119.46 1789.44 265.18 0.00 0.00 0.00 0.00 Average: docker0 0.67 0.64 0.82 0.09 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) 06/09/2026 _x86_64_ (4 CPU) 15:18:59 LINUX RESTART (4 CPU) 03:20:01 PM CPU %user %nice %system %iowait %steal %idle 03:21:01 PM all 15.03 0.00 1.46 3.05 0.06 80.40 03:21:01 PM 0 19.00 0.00 1.57 1.20 0.08 78.15 03:21:01 PM 1 6.76 0.00 1.08 3.54 0.05 88.57 03:21:01 PM 2 9.47 0.00 1.02 2.84 0.05 86.61 03:21:01 PM 3 24.89 0.00 2.15 4.62 0.07 68.27 03:22:01 PM all 28.57 0.00 2.03 3.15 0.10 66.16 03:22:01 PM 0 28.40 0.00 2.72 4.76 0.10 64.01 03:22:01 PM 1 25.72 0.00 1.34 2.37 0.08 70.48 03:22:01 PM 2 28.82 0.00 1.76 2.41 0.12 66.90 03:22:01 PM 3 31.34 0.00 2.29 3.04 0.08 63.24 03:23:01 PM all 33.33 0.10 3.33 3.72 0.10 59.42 03:23:01 PM 0 33.97 0.08 2.84 2.35 0.08 60.67 03:23:01 PM 1 33.48 0.05 4.52 2.24 0.08 59.63 03:23:01 PM 2 33.82 0.07 2.86 1.75 0.10 61.40 03:23:01 PM 3 32.04 0.20 3.13 8.54 0.12 55.97 03:24:01 PM all 19.44 0.00 8.79 26.26 0.11 45.41 03:24:01 PM 0 9.91 0.00 9.49 28.69 0.10 51.81 03:24:01 PM 1 12.91 0.00 7.52 24.40 0.10 55.07 03:24:01 PM 2 23.97 0.00 7.73 25.86 0.10 42.33 03:24:01 PM 3 30.78 0.00 10.42 26.09 0.12 32.59 03:25:01 PM all 40.70 0.00 1.96 0.54 0.10 56.70 03:25:01 PM 0 37.75 0.00 1.52 0.27 0.10 60.36 03:25:01 PM 1 44.60 0.00 1.84 0.55 0.10 52.91 03:25:01 PM 2 45.08 0.00 2.31 0.45 0.10 52.06 03:25:01 PM 3 35.35 0.00 2.19 0.90 0.08 61.47 Average: all 27.43 0.02 3.49 7.27 0.09 61.69 Average: 0 25.88 0.02 3.60 7.34 0.09 63.07 Average: 1 24.73 0.01 3.24 6.54 0.08 65.40 Average: 2 28.24 0.01 3.12 6.60 0.09 61.93 Average: 3 30.88 0.04 4.02 8.60 0.09 56.37