---> uname -a: Linux prd-centos8-docker-4c-4g-2757.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1043 10734 20 3983 14367 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:90:09:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.39/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85925sec preferred_lft 85925sec inet6 fe80::f816:3eff:fe90:9cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a9:2e:2a:b1 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:a9ff:fe2e:2ab1/64 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) 11/12/2026 _x86_64_ (4 CPU) 08:20:33 LINUX RESTART (4 CPU) 08:21:01 AM tps rtps wtps bread/s bwrtn/s 08:22:01 AM 316.39 124.02 192.37 14070.06 40039.68 08:23:01 AM 107.86 0.55 107.31 150.48 9759.56 08:24:01 AM 226.70 22.06 204.63 3965.74 13934.24 08:25:01 AM 21.99 0.43 21.56 395.20 2373.41 08:26:01 AM 81.44 1.25 80.19 75.97 12236.59 08:27:01 AM 1229.01 72.32 1156.69 1398.70 37260.12 08:28:01 AM 81.31 46.98 34.32 796.13 1986.67 Average: 294.94 38.23 256.70 2979.18 16798.75 08:21:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:22:01 AM 13548432 15116280 2590884 16.05 2688 1795172 1149144 6.69 138324 2136012 44488 08:23:01 AM 13205916 15142496 2933400 18.18 2688 2145092 1093728 6.36 141004 2406804 176688 08:24:01 AM 11803820 14091804 4335496 26.86 2688 2489976 2011752 11.70 207828 3703544 46040 08:25:01 AM 11746536 14060732 4392780 27.22 2688 2515248 2345084 13.64 209324 3754444 12 08:26:01 AM 11402236 14204976 4737080 29.35 2688 2993196 2113732 12.30 364264 3903760 141052 08:27:01 AM 10051432 13691648 6087884 37.72 2688 3629308 2023264 11.77 413528 4751388 6844 08:28:01 AM 11061500 14765984 5077816 31.46 2688 3690200 1220172 7.10 453216 3703956 15804 Average: 11831410 14439131 4307906 26.69 2688 2751170 1708125 9.94 275355 3479987 61561 08:21:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 AM eth0 288.87 179.08 1054.08 67.57 0.00 0.00 0.00 0.00 08:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 AM eth0 72.58 47.07 1155.99 8.12 0.00 0.00 0.00 0.00 08:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 AM eth0 292.12 253.74 3152.72 39.79 0.00 0.00 0.00 0.00 08:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:25:01 AM eth0 13.86 9.83 103.48 2.63 0.00 0.00 0.00 0.00 08:25:01 AM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 08:25:01 AM veth3dd2d5c 0.18 0.43 0.01 0.04 0.00 0.00 0.00 0.00 08:26:01 AM lo 7.10 7.10 5.29 5.29 0.00 0.00 0.00 0.00 08:26:01 AM eth0 130.74 84.52 2522.03 12.28 0.00 0.00 0.00 0.00 08:26:01 AM docker0 3.22 2.98 4.08 0.43 0.00 0.00 0.00 0.00 08:26:01 AM veth3dd2d5c 0.20 0.25 0.01 0.01 0.00 0.00 0.00 0.00 08:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 AM eth0 136.69 103.62 1527.67 16.74 0.00 0.00 0.00 0.00 08:27:01 AM docker0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 AM lo 4.80 4.80 0.68 0.68 0.00 0.00 0.00 0.00 08:28:01 AM eth0 12.66 11.18 44.33 4.00 0.00 0.00 0.00 0.00 08:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.73 1.73 0.85 0.85 0.00 0.00 0.00 0.00 Average: eth0 135.36 98.43 1365.70 21.59 0.00 0.00 0.00 0.00 Average: docker0 0.49 0.47 0.58 0.07 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) 11/12/2026 _x86_64_ (4 CPU) 08:20:33 LINUX RESTART (4 CPU) 08:21:01 AM CPU %user %nice %system %iowait %steal %idle 08:22:01 AM all 17.32 0.00 3.90 2.56 0.03 76.18 08:22:01 AM 0 19.26 0.00 3.90 1.58 0.03 75.23 08:22:01 AM 1 17.18 0.00 3.79 1.41 0.03 77.59 08:22:01 AM 2 15.12 0.00 3.72 0.99 0.02 80.15 08:22:01 AM 3 17.73 0.00 4.19 6.29 0.03 71.76 08:23:01 AM all 13.06 0.00 1.35 0.51 0.02 85.06 08:23:01 AM 0 15.51 0.00 1.92 0.75 0.02 81.81 08:23:01 AM 1 8.79 0.00 0.99 0.53 0.00 89.69 08:23:01 AM 2 23.14 0.00 2.19 0.45 0.03 74.19 08:23:01 AM 3 4.78 0.00 0.30 0.32 0.02 94.58 08:24:01 AM all 29.63 0.00 1.94 1.39 0.04 67.00 08:24:01 AM 0 29.83 0.00 2.08 0.94 0.05 67.10 08:24:01 AM 1 27.58 0.00 1.44 1.49 0.03 69.46 08:24:01 AM 2 29.99 0.00 1.91 1.29 0.05 66.76 08:24:01 AM 3 31.12 0.00 2.34 1.86 0.03 64.65 08:25:01 AM all 0.99 0.00 0.30 0.11 0.00 98.60 08:25:01 AM 0 0.89 0.00 0.27 0.05 0.00 98.80 08:25:01 AM 1 1.15 0.00 0.35 0.07 0.00 98.43 08:25:01 AM 2 1.02 0.00 0.32 0.27 0.00 98.40 08:25:01 AM 3 0.92 0.00 0.27 0.05 0.00 98.77 08:26:01 AM all 23.33 0.08 2.07 0.47 0.03 74.02 08:26:01 AM 0 23.53 0.05 2.03 0.80 0.03 73.56 08:26:01 AM 1 22.24 0.00 1.79 0.17 0.02 75.78 08:26:01 AM 2 24.51 0.05 2.27 0.50 0.02 72.65 08:26:01 AM 3 23.06 0.20 2.20 0.42 0.03 74.10 08:27:01 AM all 19.23 0.00 9.00 6.90 0.02 64.85 08:27:01 AM 0 23.52 0.00 9.94 7.16 0.02 59.36 08:27:01 AM 1 15.58 0.00 7.49 6.34 0.02 70.57 08:27:01 AM 2 26.12 0.00 8.81 6.13 0.03 58.91 08:27:01 AM 3 11.72 0.00 9.75 7.98 0.00 70.55 08:28:01 AM all 47.88 0.00 2.07 0.60 0.03 49.42 08:28:01 AM 0 52.55 0.00 2.29 0.27 0.03 44.86 08:28:01 AM 1 37.24 0.00 1.81 0.67 0.02 60.27 08:28:01 AM 2 41.98 0.00 1.71 0.75 0.02 55.54 08:28:01 AM 3 59.73 0.00 2.48 0.70 0.07 37.03 Average: all 21.63 0.01 2.93 1.78 0.02 73.62 Average: 0 23.58 0.01 3.19 1.64 0.03 71.56 Average: 1 18.53 0.00 2.52 1.52 0.02 77.41 Average: 2 23.11 0.01 2.98 1.47 0.02 72.41 Average: 3 21.30 0.03 3.06 2.50 0.03 73.08