---> uname -a: Linux prd-centos8-docker-4c-4g-8781.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 754 12182 19 2827 14674 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:a4:40:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.254/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fea4:4090/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4c:0b:13:dc 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/07/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 273.25 16.46 256.79 3824.83 14401.25 01:26:01 PM 54.37 4.63 49.73 371.74 8712.00 01:27:01 PM 52.04 3.13 48.91 139.58 3567.09 Average: 126.55 8.08 118.47 1445.32 8893.43 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12195140 14474872 3946392 24.45 2688 2483408 1917380 11.15 215784 3321164 242928 01:26:01 PM 11057040 13357584 5084492 31.50 2688 2503552 2871496 16.70 254520 4411072 904 01:27:01 PM 12497592 15049264 3643940 22.57 2688 2751916 1127456 6.56 531672 2696432 187960 Average: 11916591 14293907 4224941 26.17 2688 2579625 1972111 11.47 333992 3476223 143931 01:24:01 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 406.38 291.07 4864.73 58.56 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 24.36 24.36 5.01 5.01 0.00 0.00 0.00 0.00 01:26:01 PM eth0 44.65 31.76 101.28 20.62 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 4.90 4.90 1.10 1.10 0.00 0.00 0.00 0.00 01:27:01 PM eth0 76.20 78.25 284.76 938.86 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 9.75 9.75 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 175.74 133.69 1750.17 339.33 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/07/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 34.39 0.00 2.89 1.96 0.13 60.64 01:25:01 PM 0 30.68 0.00 2.07 0.38 0.12 66.74 01:25:01 PM 1 35.70 0.00 3.05 3.19 0.13 57.93 01:25:01 PM 2 28.95 0.00 3.07 2.70 0.12 65.17 01:25:01 PM 3 42.23 0.00 3.38 1.56 0.13 52.69 01:26:01 PM all 36.69 0.00 1.00 0.40 0.10 61.82 01:26:01 PM 0 42.85 0.00 0.68 0.13 0.10 56.23 01:26:01 PM 1 26.03 0.00 1.37 0.52 0.10 71.98 01:26:01 PM 2 45.49 0.00 0.38 0.07 0.08 53.98 01:26:01 PM 3 32.35 0.00 1.56 0.87 0.10 65.12 01:27:01 PM all 19.80 0.00 1.77 0.26 0.08 78.09 01:27:01 PM 0 17.01 0.00 1.64 0.23 0.08 81.04 01:27:01 PM 1 15.88 0.00 1.67 0.20 0.07 82.18 01:27:01 PM 2 15.89 0.00 1.54 0.05 0.07 82.46 01:27:01 PM 3 30.42 0.00 2.24 0.57 0.10 66.67 Average: all 30.29 0.00 1.89 0.87 0.10 66.85 Average: 0 30.18 0.00 1.46 0.25 0.10 68.01 Average: 1 25.86 0.00 2.03 1.30 0.10 70.71 Average: 2 30.11 0.00 1.66 0.94 0.09 67.20 Average: 3 35.00 0.00 2.39 1.00 0.11 61.50