---> uname -a: Linux prd-centos8-docker-8c-8g-2374.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1073 26980 19 3834 30349 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:97:32:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.157/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86103sec preferred_lft 86103sec inet6 fe80::f816:3eff:fe97:3256/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bc:ae:a4:e2 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:bcff:feae:a4e2/64 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) 06/25/2026 _x86_64_ (8 CPU) 03:37:22 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 121.68 2.62 119.06 1618.53 8708.63 03:40:01 AM 461.46 17.43 444.04 2730.69 16119.76 03:41:01 AM 276.65 2.88 273.76 456.70 43976.38 03:42:02 AM 91.87 3.02 88.86 180.58 11667.68 Average: 237.91 6.48 231.42 1246.55 20118.75 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29333344 31250596 3320028 10.17 2688 2234700 1391692 4.13 150068 2714484 250620 03:40:01 AM 28173448 30479808 4479924 13.72 2688 2612728 1966648 5.84 252484 3718764 194824 03:41:01 AM 25842648 29157472 6810724 20.86 2688 3604916 3279360 9.73 578928 5659872 0 03:42:02 AM 27697260 31147312 4956112 15.18 2688 3740192 1479688 4.39 842948 3546624 23504 Average: 27761675 30508797 4891697 14.98 2688 3048134 2029347 6.02 456107 3909936 117237 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 147.58 101.70 1670.36 29.49 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 447.40 388.04 4561.50 61.98 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 497.57 364.07 9167.94 42.06 0.00 0.00 0.00 0.00 03:41:01 AM docker0 11.21 14.53 0.64 307.98 0.00 0.00 0.00 0.00 03:42:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:02 AM eth0 239.53 262.55 211.26 2336.02 0.00 0.00 0.00 0.00 03:42:02 AM docker0 0.02 0.17 0.00 0.02 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 333.02 279.09 3902.83 617.44 0.00 0.00 0.00 0.00 Average: docker0 2.81 3.67 0.16 77.01 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) 06/25/2026 _x86_64_ (8 CPU) 03:37:22 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 8.14 0.00 0.92 0.33 0.05 90.57 03:39:01 AM 0 16.64 0.00 1.60 0.40 0.05 81.31 03:39:01 AM 1 11.66 0.00 1.45 0.23 0.07 86.59 03:39:01 AM 2 2.11 0.00 0.50 0.18 0.05 97.16 03:39:01 AM 3 1.22 0.00 0.50 0.77 0.05 97.46 03:39:01 AM 4 6.60 0.00 0.80 0.05 0.05 92.50 03:39:01 AM 5 3.62 0.00 0.42 0.25 0.05 95.66 03:39:01 AM 6 15.60 0.00 1.49 0.60 0.03 82.28 03:39:01 AM 7 7.62 0.00 0.63 0.12 0.03 91.59 03:40:01 AM all 24.07 0.00 1.67 1.21 0.09 72.96 03:40:01 AM 0 33.07 0.00 0.87 0.18 0.10 65.77 03:40:01 AM 1 30.20 0.00 2.24 1.04 0.10 66.42 03:40:01 AM 2 21.44 0.00 1.46 1.27 0.08 75.74 03:40:01 AM 3 19.53 0.00 1.32 0.53 0.08 78.53 03:40:01 AM 4 27.04 0.00 1.82 1.34 0.08 69.72 03:40:01 AM 5 20.03 0.00 1.52 0.85 0.08 77.52 03:40:01 AM 6 17.30 0.00 2.23 2.98 0.08 77.41 03:40:01 AM 7 23.95 0.00 1.89 1.49 0.08 72.58 03:41:01 AM all 23.68 0.00 2.62 1.13 0.08 72.50 03:41:01 AM 0 19.77 0.00 2.37 0.97 0.08 76.81 03:41:01 AM 1 19.60 0.00 2.69 0.96 0.08 76.66 03:41:01 AM 2 29.59 0.00 3.81 2.97 0.10 63.53 03:41:01 AM 3 37.61 0.00 2.87 1.01 0.08 58.43 03:41:01 AM 4 22.14 0.00 2.55 0.99 0.07 74.25 03:41:01 AM 5 26.89 0.00 2.40 1.24 0.08 69.37 03:41:01 AM 6 16.61 0.00 2.20 0.67 0.07 80.45 03:41:01 AM 7 17.22 0.00 2.05 0.23 0.07 80.43 03:42:02 AM all 10.85 0.00 1.73 0.24 0.06 87.12 03:42:02 AM 0 3.24 0.00 1.22 0.13 0.08 95.32 03:42:02 AM 1 19.55 0.00 2.07 0.20 0.07 78.11 03:42:02 AM 2 5.29 0.00 1.64 0.12 0.05 92.90 03:42:02 AM 3 19.60 0.00 2.02 0.23 0.05 78.09 03:42:02 AM 4 20.03 0.00 2.29 0.35 0.05 77.28 03:42:02 AM 5 8.27 0.00 1.94 0.38 0.03 89.37 03:42:02 AM 6 5.15 0.00 1.51 0.23 0.05 93.06 03:42:02 AM 7 5.62 0.00 1.14 0.28 0.08 92.87 Average: all 16.67 0.00 1.73 0.73 0.07 80.80 Average: 0 18.18 0.00 1.51 0.42 0.08 79.81 Average: 1 20.25 0.00 2.11 0.61 0.08 76.95 Average: 2 14.58 0.00 1.85 1.13 0.07 82.37 Average: 3 19.47 0.00 1.68 0.64 0.07 78.15 Average: 4 18.95 0.00 1.87 0.68 0.06 78.44 Average: 5 14.68 0.00 1.57 0.68 0.06 83.00 Average: 6 13.67 0.00 1.86 1.12 0.06 83.30 Average: 7 13.59 0.00 1.43 0.53 0.07 84.38