---> uname -a: Linux prd-centos8-docker-4c-4g-2788.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: 2800.000 BogoMIPS: 5600.00 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 1045 10728 20 3987 14365 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:f9:c8:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.149/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85898sec preferred_lft 85898sec inet6 fe80::f816:3eff:fef9:c88f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a6:30:c8:4e 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:a6ff:fe30:c84e/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) 09:09:32 LINUX RESTART (4 CPU) 09:10:01 AM tps rtps wtps bread/s bwrtn/s 09:11:02 AM 286.76 121.16 165.60 13697.30 39911.48 09:12:01 AM 108.88 0.61 108.27 146.82 9829.67 09:13:01 AM 203.55 22.03 181.52 3969.48 10944.15 09:14:01 AM 39.89 0.60 39.29 412.26 5257.40 09:15:01 AM 65.39 1.22 64.17 73.72 12083.32 09:16:01 AM 1131.99 11.41 1120.58 152.22 34336.62 09:17:01 AM 138.84 83.82 55.02 1590.53 3857.77 09:18:01 AM 76.09 28.08 48.01 564.57 2520.96 Average: 256.74 33.69 223.06 2581.33 14854.31 09:10:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:11:02 AM 13525132 15088672 2614184 16.20 2688 1791080 1175632 6.84 137536 2160876 37884 09:12:01 AM 13182376 15119128 2956940 18.32 2688 2145232 1083096 6.30 141048 2429636 176616 09:13:01 AM 11907640 14194512 4231676 26.22 2688 2488956 1855308 10.79 207772 3600140 129644 09:14:01 AM 11845532 14159108 4293784 26.60 2688 2514744 2152308 12.52 209352 3655516 40 09:15:01 AM 10918932 13581160 5220384 32.35 2688 2853464 2668632 15.53 311836 4438320 2332 09:16:01 AM 9974620 13564944 6164696 38.20 2688 3582368 2064652 12.01 405772 4837664 71628 09:17:01 AM 10150952 13816908 5988364 37.10 2688 3654060 2221248 12.92 427144 4640064 17244 09:18:01 AM 11056164 14777044 5083152 31.50 2688 3702684 1154896 6.72 645100 3514628 24480 Average: 11570168 14287684 4569148 28.31 2688 2841574 1796972 10.45 310695 3659606 57484 09:10:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:11:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:02 AM eth0 296.92 170.66 1053.91 65.79 0.00 0.00 0.00 0.00 09:11:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM eth0 80.44 51.06 1176.27 7.52 0.00 0.00 0.00 0.00 09:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 AM eth0 266.34 237.17 3132.34 38.33 0.00 0.00 0.00 0.00 09:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 09:14:01 AM eth0 9.00 8.11 98.97 1.50 0.00 0.00 0.00 0.00 09:14:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 09:14:01 AM veth5ce9a6a 0.17 0.40 0.01 0.03 0.00 0.00 0.00 0.00 09:15:01 AM lo 7.80 7.80 5.40 5.40 0.00 0.00 0.00 0.00 09:15:01 AM eth0 110.08 57.27 2175.52 9.67 0.00 0.00 0.00 0.00 09:15:01 AM docker0 3.37 2.97 4.09 0.44 0.00 0.00 0.00 0.00 09:15:01 AM veth5ce9a6a 0.15 0.20 0.01 0.01 0.00 0.00 0.00 0.00 09:16:01 AM lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 09:16:01 AM eth0 174.26 129.59 1817.80 20.52 0.00 0.00 0.00 0.00 09:16:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 09:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:17:01 AM eth0 4.57 4.15 61.47 0.83 0.00 0.00 0.00 0.00 09:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:18:01 AM lo 4.80 4.80 0.68 0.68 0.00 0.00 0.00 0.00 09:18:01 AM eth0 18.05 15.83 49.27 5.69 0.00 0.00 0.00 0.00 09:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.63 1.63 0.76 0.76 0.00 0.00 0.00 0.00 Average: eth0 120.05 84.31 1195.76 18.76 0.00 0.00 0.00 0.00 Average: docker0 0.45 0.42 0.51 0.06 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) 09:09:32 LINUX RESTART (4 CPU) 09:10:01 AM CPU %user %nice %system %iowait %steal %idle 09:11:02 AM all 17.31 0.00 3.56 2.46 0.02 76.65 09:11:02 AM 0 19.52 0.00 4.17 1.69 0.03 74.58 09:11:02 AM 1 13.95 0.00 4.47 2.66 0.02 78.90 09:11:02 AM 2 15.94 0.00 2.34 4.15 0.00 77.56 09:11:02 AM 3 19.80 0.00 3.26 1.34 0.02 75.58 09:12:01 AM all 13.48 0.00 1.32 0.49 0.02 84.69 09:12:01 AM 0 15.41 0.00 1.78 0.15 0.02 82.64 09:12:01 AM 1 14.16 0.00 1.73 0.76 0.02 83.32 09:12:01 AM 2 7.35 0.00 0.94 0.60 0.00 91.12 09:12:01 AM 3 16.98 0.00 0.85 0.46 0.03 81.68 09:13:01 AM all 30.44 0.00 2.02 1.15 0.02 66.37 09:13:01 AM 0 31.17 0.00 1.17 0.45 0.00 67.21 09:13:01 AM 1 31.08 0.00 2.46 1.59 0.02 64.85 09:13:01 AM 2 28.22 0.00 2.46 1.83 0.05 67.44 09:13:01 AM 3 31.28 0.00 1.97 0.75 0.02 65.98 09:14:01 AM all 0.94 0.00 0.31 0.21 0.00 98.54 09:14:01 AM 0 0.94 0.00 0.25 0.02 0.00 98.80 09:14:01 AM 1 0.75 0.00 0.35 0.17 0.00 98.73 09:14:01 AM 2 0.75 0.00 0.33 0.50 0.00 98.41 09:14:01 AM 3 1.33 0.00 0.30 0.15 0.00 98.21 09:15:01 AM all 21.39 0.09 1.94 0.39 0.02 76.17 09:15:01 AM 0 21.27 0.15 1.69 0.25 0.03 76.60 09:15:01 AM 1 22.35 0.18 1.86 0.25 0.00 75.35 09:15:01 AM 2 21.61 0.02 2.26 0.37 0.02 75.73 09:15:01 AM 3 20.34 0.02 1.96 0.67 0.02 77.00 09:16:01 AM all 21.30 0.00 9.88 6.83 0.01 61.98 09:16:01 AM 0 30.04 0.00 10.09 7.33 0.00 52.53 09:16:01 AM 1 18.78 0.00 9.76 6.71 0.02 64.73 09:16:01 AM 2 22.23 0.00 9.43 5.87 0.02 62.46 09:16:01 AM 3 14.10 0.00 10.24 7.39 0.02 68.25 09:17:01 AM all 38.82 0.00 1.46 0.87 0.04 58.81 09:17:01 AM 0 23.76 0.00 1.07 0.20 0.02 74.95 09:17:01 AM 1 25.71 0.00 1.12 0.57 0.02 72.58 09:17:01 AM 2 38.24 0.00 1.24 0.33 0.05 60.14 09:17:01 AM 3 67.62 0.00 2.41 2.36 0.08 27.53 09:18:01 AM all 26.58 0.00 1.64 0.46 0.02 71.29 09:18:01 AM 0 24.25 0.00 1.72 0.22 0.02 73.80 09:18:01 AM 1 39.37 0.00 2.54 1.35 0.05 56.69 09:18:01 AM 2 22.83 0.00 1.12 0.15 0.00 75.90 09:18:01 AM 3 19.84 0.00 1.20 0.13 0.02 78.81 Average: all 21.29 0.01 2.76 1.60 0.02 74.32 Average: 0 20.79 0.02 2.73 1.28 0.01 75.16 Average: 1 20.79 0.02 3.03 1.75 0.02 74.39 Average: 2 19.66 0.00 2.51 1.72 0.02 76.09 Average: 3 23.93 0.00 2.76 1.65 0.03 71.63