---> uname -a: Linux prd-centos8-docker-4c-4g-5421.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 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: 15761 822 12143 19 2795 14600 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:88:ce:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.184/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86049sec preferred_lft 86049sec inet6 fe80::f816:3eff:fe88:ce00/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2e:51:14:5a 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) 08/10/2026 _x86_64_ (4 CPU) 05:22:32 LINUX RESTART (4 CPU) 05:23:01 AM tps rtps wtps bread/s bwrtn/s 05:24:01 AM 120.70 20.36 100.33 4116.65 6664.06 05:25:01 AM 226.30 7.26 219.04 1027.18 16901.02 05:26:01 AM 34.83 0.00 34.83 0.00 8065.01 05:27:01 AM 3.96 0.00 3.96 0.00 257.31 05:28:01 AM 8.57 2.92 5.65 148.38 397.63 Average: 78.88 6.11 72.77 1058.33 6457.43 05:23:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:24:01 AM 12835488 14934112 3303832 20.47 2688 2305948 1304816 7.59 158928 2759612 334432 05:25:01 AM 11535660 14007152 4603660 28.52 2688 2671008 1977144 11.50 245508 3928564 226504 05:26:01 AM 10066244 12543320 6073076 37.63 2688 2675796 3274204 19.05 261372 5376136 1960 05:27:01 AM 9939408 12423000 6199912 38.41 2688 2682072 3354592 19.52 263084 5499964 3976 05:28:01 AM 12506732 15018516 3632588 22.51 2688 2709000 1137760 6.62 458188 2743936 38236 Average: 11376706 13785220 4762614 29.51 2688 2608765 2209703 12.86 277416 4061642 121022 05:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM eth0 130.99 93.07 1863.59 14.99 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM eth0 347.04 284.71 5097.95 40.11 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM eth0 86.00 55.99 30.64 42.49 0.00 0.00 0.00 0.00 05:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM eth0 217.14 155.56 71.41 77.20 0.00 0.00 0.00 0.00 05:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 AM lo 6.55 6.55 0.80 0.80 0.00 0.00 0.00 0.00 05:28:01 AM eth0 19.38 16.98 8.14 8.63 0.00 0.00 0.00 0.00 05:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 160.13 121.28 1414.58 36.69 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) 08/10/2026 _x86_64_ (4 CPU) 05:22:32 LINUX RESTART (4 CPU) 05:23:01 AM CPU %user %nice %system %iowait %steal %idle 05:24:01 AM all 22.61 0.00 1.96 0.57 0.07 74.79 05:24:01 AM 0 18.54 0.00 1.39 0.33 0.07 79.67 05:24:01 AM 1 27.72 0.00 2.64 0.59 0.07 68.99 05:24:01 AM 2 35.20 0.00 3.09 1.07 0.07 60.57 05:24:01 AM 3 8.99 0.00 0.72 0.30 0.07 89.92 05:25:01 AM all 53.92 0.00 2.32 1.14 0.09 42.52 05:25:01 AM 0 47.26 0.00 2.36 1.24 0.08 49.05 05:25:01 AM 1 58.09 0.00 2.29 0.97 0.10 38.55 05:25:01 AM 2 55.65 0.00 2.42 1.22 0.10 40.61 05:25:01 AM 3 54.67 0.00 2.22 1.14 0.08 41.89 05:26:01 AM all 49.16 0.00 1.31 0.18 0.09 49.26 05:26:01 AM 0 35.51 0.00 1.74 0.43 0.10 62.21 05:26:01 AM 1 51.57 0.00 1.67 0.00 0.08 46.67 05:26:01 AM 2 57.47 0.00 0.87 0.30 0.08 41.27 05:26:01 AM 3 52.08 0.00 0.97 0.00 0.08 46.87 05:27:01 AM all 22.89 0.00 1.22 0.01 0.07 75.81 05:27:01 AM 0 22.63 0.00 1.07 0.00 0.07 76.23 05:27:01 AM 1 16.71 0.00 1.30 0.00 0.05 81.94 05:27:01 AM 2 37.55 0.00 1.20 0.03 0.10 61.11 05:27:01 AM 3 14.65 0.00 1.32 0.00 0.07 83.96 05:28:01 AM all 51.00 0.00 1.45 0.12 0.09 47.34 05:28:01 AM 0 75.38 0.00 1.85 0.28 0.10 22.39 05:28:01 AM 1 38.83 0.00 1.69 0.07 0.10 59.32 05:28:01 AM 2 41.38 0.00 1.24 0.08 0.07 57.24 05:28:01 AM 3 48.39 0.00 1.02 0.05 0.08 50.46 Average: all 39.92 0.00 1.65 0.41 0.08 57.94 Average: 0 39.87 0.00 1.68 0.46 0.08 57.91 Average: 1 38.58 0.00 1.92 0.32 0.08 59.10 Average: 2 45.45 0.00 1.76 0.54 0.08 52.16 Average: 3 35.76 0.00 1.25 0.30 0.08 62.61