---> uname -a: Linux prd-centos8-docker-4c-4g-3891.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 1032 10804 20 3924 14378 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:f7:a5:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.113/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fef7:a55a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8f:07:2f:cb 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::42:8fff:fe07:2fcb/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) 09/21/2026 _x86_64_ (4 CPU) 12:25:34 LINUX RESTART (4 CPU) 12:26:01 PM tps rtps wtps bread/s bwrtn/s 12:27:01 PM 187.35 7.78 179.57 1211.33 10043.24 12:28:01 PM 280.00 6.21 273.78 937.51 29587.59 12:29:01 PM 1024.35 95.05 929.30 1716.21 38798.83 12:30:01 PM 74.97 23.95 51.02 476.05 3585.64 Average: 391.70 33.25 358.45 1085.31 20506.05 12:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:27:01 PM 12941296 14936060 3198020 19.82 2688 2203240 1537896 8.95 154096 2655092 255580 12:28:01 PM 11610044 14274884 4529272 28.06 2688 2856804 2060108 11.99 348636 3714584 84616 12:29:01 PM 9789480 13383984 6349836 39.34 2688 3585068 1956348 11.38 403276 5046904 6768 12:30:01 PM 11070008 14727916 5069308 31.41 2688 3642776 1242016 7.23 623324 3552544 9044 Average: 11352707 14330711 4786609 29.66 2688 3071972 1699092 9.89 382333 3742281 89002 12:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 158.05 100.73 1896.92 21.11 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM lo 6.36 6.36 4.53 4.53 0.00 0.00 0.00 0.00 12:28:01 PM eth0 396.50 313.59 5507.81 50.44 0.00 0.00 0.00 0.00 12:28:01 PM docker0 3.30 3.13 4.08 0.45 0.00 0.00 0.00 0.00 12:28:01 PM veth7a640a6 0.13 0.42 0.01 0.03 0.00 0.00 0.00 0.00 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 167.83 124.25 1632.39 19.23 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 25.05 19.68 54.23 7.94 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.59 1.59 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 186.88 139.58 2273.17 24.68 0.00 0.00 0.00 0.00 Average: docker0 0.83 0.79 1.02 0.11 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) 09/21/2026 _x86_64_ (4 CPU) 12:25:34 LINUX RESTART (4 CPU) 12:26:01 PM CPU %user %nice %system %iowait %steal %idle 12:27:01 PM all 22.95 0.00 2.38 0.97 0.01 73.70 12:27:01 PM 0 40.94 0.00 3.30 0.80 0.00 54.95 12:27:01 PM 1 19.72 0.00 2.43 0.75 0.02 77.08 12:27:01 PM 2 14.59 0.00 2.03 1.64 0.02 81.72 12:27:01 PM 3 16.49 0.00 1.74 0.67 0.02 81.09 12:28:01 PM all 48.37 0.09 3.75 1.45 0.02 46.32 12:28:01 PM 0 53.63 0.07 3.60 1.29 0.02 41.39 12:28:01 PM 1 44.14 0.13 3.98 1.93 0.02 49.80 12:28:01 PM 2 45.87 0.08 3.77 1.85 0.02 48.41 12:28:01 PM 3 49.82 0.08 3.66 0.74 0.02 45.68 12:29:01 PM all 31.52 0.00 8.81 5.64 0.04 53.98 12:29:01 PM 0 45.02 0.00 9.82 6.34 0.05 38.77 12:29:01 PM 1 18.12 0.00 8.27 6.01 0.05 67.55 12:29:01 PM 2 29.28 0.00 8.53 7.11 0.03 55.05 12:29:01 PM 3 33.73 0.00 8.63 3.11 0.03 54.51 12:30:01 PM all 35.76 0.00 2.29 0.49 0.03 61.44 12:30:01 PM 0 61.03 0.00 3.53 0.52 0.02 34.90 12:30:01 PM 1 19.10 0.00 1.57 0.70 0.02 78.61 12:30:01 PM 2 19.61 0.00 1.65 0.15 0.03 78.55 12:30:01 PM 3 43.27 0.00 2.39 0.57 0.05 53.72 Average: all 34.64 0.02 4.29 2.12 0.03 58.89 Average: 0 50.17 0.02 5.04 2.22 0.02 42.52 Average: 1 25.27 0.03 4.05 2.34 0.03 68.28 Average: 2 27.31 0.02 3.98 2.68 0.03 65.98 Average: 3 35.81 0.02 4.09 1.27 0.03 58.78