---> uname -a: Linux prd-centos8-docker-4c-4g-45.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 892 11634 20 3234 14518 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:bb:c9:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.166/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85849sec preferred_lft 85849sec inet6 fe80::f816:3eff:febb:c99d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9e:5e:21:17 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::42:9eff:fe5e:2117/64 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) 11/03/2026 _x86_64_ (4 CPU) 09:39:58 LINUX RESTART (4 CPU) 09:40:02 AM tps rtps wtps bread/s bwrtn/s 09:41:01 AM 194.76 148.48 46.28 19255.86 39004.32 09:42:01 AM 115.41 6.15 109.26 950.35 5346.20 09:43:01 AM 97.00 0.50 96.50 142.24 8472.50 09:44:01 AM 183.89 6.36 177.52 1152.95 9530.61 09:45:01 AM 56.71 0.22 56.50 281.77 4577.39 09:46:01 AM 46.78 0.00 46.78 0.00 560.04 09:47:01 AM 126.16 2.05 124.11 3135.61 29283.72 09:48:01 AM 9.03 1.10 7.93 84.24 222.31 09:49:01 AM 12.30 0.27 12.03 41.05 511.38 Average: 93.29 18.00 75.29 2738.74 10758.87 09:40:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:41:01 AM 13742392 15227708 2396924 14.85 2688 1717328 1063560 6.19 122716 1976784 35376 09:42:01 AM 13427932 15080724 2711384 16.80 2688 1880076 1158620 6.74 138828 2256472 46040 09:43:01 AM 13177480 15121960 2961836 18.35 2688 2153312 1071920 6.24 140576 2435252 147920 09:44:01 AM 11682060 13871392 4457256 27.62 2688 2391560 2252552 13.11 196268 3840672 122180 09:45:01 AM 11375448 13577504 4763868 29.52 2688 2403696 2529216 14.72 204080 4135500 128 09:46:01 AM 12162188 14502064 3977128 24.64 2688 2539928 1851392 10.77 237952 3313364 138236 09:47:01 AM 11949460 14897104 4189856 25.96 2688 3127916 1361020 7.92 366260 3331784 52 09:48:01 AM 11908552 14860024 4230764 26.21 2688 3130316 1279780 7.45 374792 3366036 6224 09:49:01 AM 11894904 14849060 4244412 26.30 2688 3132844 1295632 7.54 551596 3203988 7540 Average: 12368935 14665282 3770381 23.36 2688 2497442 1540410 8.96 259230 3095539 55966 09:40:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:41:01 AM lo 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 09:41:01 AM eth0 223.22 132.21 907.12 52.58 0.00 0.00 0.00 0.00 09:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:42:01 AM eth0 208.38 116.34 931.52 21.20 0.00 0.00 0.00 0.00 09:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:43:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:43:01 AM eth0 70.84 46.79 492.92 5.59 0.00 0.00 0.00 0.00 09:43:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:44:01 AM lo 1.32 1.32 0.12 0.12 0.00 0.00 0.00 0.00 09:44:01 AM eth0 322.21 248.28 2773.61 67.92 0.00 0.00 0.00 0.00 09:44:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:45:01 AM lo 47.40 47.40 6.21 6.21 0.00 0.00 0.00 0.00 09:45:01 AM eth0 1673.73 1051.95 684.47 609.26 0.00 0.00 0.00 0.00 09:45:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:46:01 AM lo 14.20 14.20 1.12 1.12 0.00 0.00 0.00 0.00 09:46:01 AM eth0 2113.83 1215.58 1330.74 591.89 0.00 0.00 0.00 0.00 09:46:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:47:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:47:01 AM eth0 110.96 27.18 2800.02 5.36 0.00 0.00 0.00 0.00 09:47:01 AM docker0 1.08 1.07 0.77 0.36 0.00 0.00 0.00 0.00 09:47:01 AM veth11b2133 1.08 1.08 0.79 0.36 0.00 0.00 0.00 0.00 09:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:48:01 AM eth0 16.09 16.16 6.89 36.71 0.00 0.00 0.00 0.00 09:48:01 AM docker0 6.91 4.87 25.53 1.07 0.00 0.00 0.00 0.00 09:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 AM eth0 17.89 15.46 10.75 29.46 0.00 0.00 0.00 0.00 09:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.01 7.01 0.83 0.83 0.00 0.00 0.00 0.00 Average: eth0 529.38 319.38 1104.73 158.05 0.00 0.00 0.00 0.00 Average: docker0 0.89 0.66 2.93 0.16 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) 11/03/2026 _x86_64_ (4 CPU) 09:39:58 LINUX RESTART (4 CPU) 09:40:02 AM CPU %user %nice %system %iowait %steal %idle 09:41:01 AM all 22.53 0.00 4.50 10.67 0.05 62.24 09:41:01 AM 0 20.77 0.00 6.05 14.96 0.05 58.16 09:41:01 AM 1 22.39 0.00 3.92 11.79 0.03 61.87 09:41:01 AM 2 24.21 0.00 3.85 11.11 0.05 60.79 09:41:01 AM 3 22.75 0.00 4.20 4.85 0.05 68.14 09:42:01 AM all 8.38 0.00 1.11 0.89 0.04 89.57 09:42:01 AM 0 0.99 0.00 0.65 0.25 0.05 98.06 09:42:01 AM 1 10.93 0.00 1.22 0.45 0.05 87.35 09:42:01 AM 2 16.56 0.00 2.11 2.73 0.03 78.56 09:42:01 AM 3 5.04 0.00 0.47 0.13 0.03 94.32 09:43:01 AM all 12.10 0.00 1.29 1.13 0.05 85.43 09:43:01 AM 0 1.32 0.00 0.72 0.75 0.05 97.17 09:43:01 AM 1 27.05 0.00 2.27 1.00 0.03 69.64 09:43:01 AM 2 9.08 0.00 1.12 0.48 0.05 89.27 09:43:01 AM 3 10.98 0.00 1.07 2.27 0.05 85.63 09:44:01 AM all 39.42 0.00 2.83 1.12 0.10 56.52 09:44:01 AM 0 39.52 0.00 2.46 1.16 0.12 56.74 09:44:01 AM 1 37.70 0.00 3.11 1.54 0.12 57.54 09:44:01 AM 2 38.56 0.00 2.87 1.22 0.08 57.27 09:44:01 AM 3 41.92 0.00 2.90 0.58 0.07 54.53 09:45:01 AM all 18.85 0.00 6.20 0.51 0.05 74.39 09:45:01 AM 0 17.56 0.00 6.12 0.35 0.03 75.94 09:45:01 AM 1 19.10 0.00 7.09 0.89 0.08 72.83 09:45:01 AM 2 18.05 0.00 6.26 0.66 0.03 75.01 09:45:01 AM 3 20.69 0.00 5.33 0.15 0.05 73.78 09:46:01 AM all 23.49 0.00 5.85 0.17 0.05 70.44 09:46:01 AM 0 23.23 0.00 5.51 0.08 0.05 71.13 09:46:01 AM 1 26.55 0.00 5.79 0.07 0.03 67.56 09:46:01 AM 2 22.57 0.00 6.79 0.37 0.05 70.22 09:46:01 AM 3 21.60 0.00 5.32 0.17 0.05 72.86 09:47:01 AM all 12.36 0.00 2.74 1.04 0.01 83.85 09:47:01 AM 0 20.95 0.00 2.86 0.55 0.00 75.64 09:47:01 AM 1 8.84 0.00 2.37 1.14 0.02 87.63 09:47:01 AM 2 10.39 0.00 3.04 0.92 0.02 85.63 09:47:01 AM 3 9.24 0.00 2.69 1.53 0.00 86.54 09:48:01 AM all 4.52 0.00 0.52 0.06 0.01 94.89 09:48:01 AM 0 1.27 0.00 0.35 0.02 0.02 98.35 09:48:01 AM 1 13.59 0.00 0.88 0.07 0.02 85.44 09:48:01 AM 2 0.90 0.00 0.38 0.03 0.00 98.68 09:48:01 AM 3 2.30 0.00 0.47 0.12 0.02 97.09 09:49:01 AM all 6.69 0.00 0.61 0.04 0.01 92.65 09:49:01 AM 0 1.27 0.00 0.47 0.03 0.00 98.23 09:49:01 AM 1 2.34 0.00 0.50 0.05 0.02 97.09 09:49:01 AM 2 21.32 0.00 1.14 0.02 0.02 77.51 09:49:01 AM 3 1.82 0.00 0.33 0.07 0.00 97.77 Average: all 16.43 0.00 2.84 1.71 0.04 78.98 Average: 0 14.03 0.00 2.78 1.97 0.04 81.18 Average: 1 18.69 0.00 3.01 1.86 0.04 76.40 Average: 2 17.91 0.00 3.05 1.93 0.04 77.08 Average: 3 15.08 0.00 2.52 1.09 0.04 81.28