---> uname -a: Linux prd-centos8-docker-4c-4g-7519.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 789 12178 20 2793 14631 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:e2:98:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.126/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86036sec preferred_lft 86036sec inet6 fe80::f816:3eff:fee2:9808/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:df:bb:02:2f 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/06/2026 _x86_64_ (4 CPU) 17:36:36 LINUX RESTART (4 CPU) 05:37:01 PM tps rtps wtps bread/s bwrtn/s 05:38:01 PM 239.65 6.90 232.76 1118.29 7507.20 05:39:01 PM 213.38 20.54 192.84 4144.22 16050.37 05:40:01 PM 80.92 1.32 79.61 84.91 9868.38 05:41:01 PM 6.85 0.00 6.85 0.00 318.19 05:42:01 PM 7.03 2.91 4.11 139.84 291.36 Average: 109.54 6.33 103.21 1097.22 6805.58 05:37:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:38:01 PM 13230448 15039524 2908868 18.02 2688 2024344 1159704 6.75 147144 2402288 173304 05:39:01 PM 11867168 14134988 4272148 26.47 2688 2470840 1919276 11.17 230160 3622984 77180 05:40:01 PM 10389808 12858812 5749508 35.62 2688 2668904 3278152 19.07 261924 5053376 2876 05:41:01 PM 9810176 12284116 6329140 39.22 2688 2673692 3613120 21.02 263532 5629932 3396 05:42:01 PM 10942080 13443020 5197236 32.20 2688 2699564 2848812 16.57 279824 4481148 18064 Average: 11247936 13552092 4891380 30.31 2688 2507469 2563813 14.92 236517 4237946 54964 05:37:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 PM eth0 160.73 103.00 1366.92 40.68 0.00 0.00 0.00 0.00 05:38:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 PM eth0 247.12 210.90 2747.95 38.91 0.00 0.00 0.00 0.00 05:39:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 PM eth0 251.67 185.79 2971.35 59.98 0.00 0.00 0.00 0.00 05:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 PM eth0 170.09 111.54 69.72 69.36 0.00 0.00 0.00 0.00 05:41:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:01 PM lo 6.41 6.41 0.79 0.79 0.00 0.00 0.00 0.00 05:42:01 PM eth0 27.60 24.39 48.22 14.46 0.00 0.00 0.00 0.00 05:42:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 171.42 127.10 1440.51 44.68 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/06/2026 _x86_64_ (4 CPU) 17:36:36 LINUX RESTART (4 CPU) 05:37:01 PM CPU %user %nice %system %iowait %steal %idle 05:38:01 PM all 18.71 0.00 1.95 2.77 0.03 76.53 05:38:01 PM 0 18.77 0.00 2.20 1.10 0.03 77.89 05:38:01 PM 1 27.47 0.00 3.01 5.90 0.02 63.60 05:38:01 PM 2 9.48 0.00 0.87 2.38 0.02 87.24 05:38:01 PM 3 19.10 0.00 1.72 1.71 0.03 77.43 05:39:01 PM all 43.15 0.00 2.41 1.19 0.01 53.23 05:39:01 PM 0 37.05 0.00 2.14 0.83 0.00 59.98 05:39:01 PM 1 46.90 0.00 2.74 1.57 0.02 48.78 05:39:01 PM 2 44.07 0.00 2.26 0.65 0.02 53.01 05:39:01 PM 3 44.61 0.00 2.49 1.72 0.02 51.16 05:40:01 PM all 56.92 0.00 1.81 0.41 0.02 40.85 05:40:01 PM 0 60.41 0.00 1.37 0.62 0.03 37.57 05:40:01 PM 1 41.89 0.00 2.27 0.37 0.02 55.45 05:40:01 PM 2 59.81 0.00 2.46 0.42 0.02 37.30 05:40:01 PM 3 65.55 0.00 1.14 0.22 0.02 33.08 05:41:01 PM all 16.69 0.00 1.47 0.02 0.00 81.83 05:41:01 PM 0 17.41 0.00 1.17 0.02 0.00 81.40 05:41:01 PM 1 14.78 0.00 1.32 0.00 0.00 83.90 05:41:01 PM 2 20.73 0.00 1.82 0.03 0.00 77.41 05:41:01 PM 3 13.82 0.00 1.57 0.02 0.00 84.60 05:42:01 PM all 52.99 0.00 1.36 0.03 0.03 45.58 05:42:01 PM 0 77.07 0.00 1.58 0.07 0.03 21.24 05:42:01 PM 1 40.44 0.00 1.19 0.00 0.05 58.32 05:42:01 PM 2 41.82 0.00 1.72 0.03 0.02 56.41 05:42:01 PM 3 52.58 0.00 0.97 0.03 0.02 46.40 Average: all 37.70 0.00 1.80 0.88 0.02 59.60 Average: 0 42.15 0.00 1.69 0.53 0.02 55.61 Average: 1 34.29 0.00 2.10 1.57 0.02 62.01 Average: 2 35.20 0.00 1.83 0.70 0.01 62.25 Average: 3 39.14 0.00 1.58 0.74 0.02 58.53