---> uname -a: Linux prd-centos8-docker-4c-4g-5166.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 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1052 10442 19 4266 14359 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:a7:96:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.3/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86056sec preferred_lft 86056sec inet6 fe80::f816:3eff:fea7:96a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cb:6a:ae:ba 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:cbff:fe6a:aeba/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) 05/30/2026 _x86_64_ (4 CPU) 03:28:26 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 182.01 5.20 176.81 477.57 10610.80 03:31:02 AM 215.81 2.22 213.59 732.30 27723.87 03:32:01 AM 1090.89 63.51 1027.38 985.80 37206.86 03:33:01 AM 133.11 69.66 63.46 4051.46 3583.32 03:34:01 AM 213.30 6.88 206.42 2429.86 9845.96 Average: 364.63 29.38 335.26 1737.75 17730.98 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 12737900 14775128 3401420 21.08 2688 2242860 1467736 8.54 160396 2841036 251756 03:31:02 AM 9835124 12419244 6304196 39.06 2688 2775412 4358460 25.36 281364 5551448 1308 03:32:01 AM 10457420 14023208 5681900 35.21 2688 3555548 1769284 10.29 404392 4366548 56496 03:33:01 AM 10851352 14578236 5287968 32.76 2688 3711988 1340940 7.80 442944 3934424 31428 03:34:01 AM 10735176 14741892 5404144 33.48 2688 3985940 1182792 6.88 715244 3773392 24424 Average: 10923394 14107542 5215926 32.32 2688 3254350 2023842 11.77 400868 4093370 73082 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 178.87 140.77 2314.74 29.63 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:02 AM lo 3.43 3.43 1.56 1.56 0.00 0.00 0.00 0.00 03:31:02 AM eth0 298.02 218.36 4694.71 26.19 0.00 0.00 0.00 0.00 03:31:02 AM docker0 2.05 1.80 1.30 0.31 0.00 0.00 0.00 0.00 03:31:02 AM veth58ffc0d 0.12 0.38 0.01 0.03 0.00 0.00 0.00 0.00 03:31:02 AM veth4232bda 1.93 1.72 1.32 0.30 0.00 0.00 0.00 0.00 03:32:01 AM lo 2.86 2.86 3.01 3.01 0.00 0.00 0.00 0.00 03:32:01 AM eth0 229.04 157.68 1899.37 32.47 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.22 1.32 2.83 0.14 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 18.38 15.23 56.89 5.67 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 221.16 170.89 3080.58 54.77 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.25 1.25 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 188.97 140.53 2411.08 29.73 0.00 0.00 0.00 0.00 Average: docker0 0.65 0.62 0.82 0.09 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) 05/30/2026 _x86_64_ (4 CPU) 03:28:26 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 25.71 0.00 2.23 0.99 0.09 70.98 03:30:01 AM 0 20.75 0.00 2.64 1.47 0.08 75.06 03:30:01 AM 1 29.97 0.00 2.64 0.90 0.10 66.39 03:30:01 AM 2 30.72 0.00 2.39 1.24 0.08 65.56 03:30:01 AM 3 21.41 0.00 1.25 0.33 0.08 76.92 03:31:02 AM all 33.61 0.09 3.04 6.47 0.10 56.68 03:31:02 AM 0 32.72 0.05 2.38 0.52 0.10 64.23 03:31:02 AM 1 37.72 0.08 2.75 6.28 0.08 53.08 03:31:02 AM 2 27.21 0.12 3.41 12.15 0.10 57.01 03:31:02 AM 3 36.81 0.12 3.63 6.95 0.10 52.40 03:32:01 AM all 32.14 0.00 10.66 7.16 0.10 49.94 03:32:01 AM 0 24.18 0.00 11.23 8.01 0.10 56.47 03:32:01 AM 1 37.40 0.00 9.54 4.97 0.10 47.98 03:32:01 AM 2 33.92 0.00 12.02 8.35 0.10 45.61 03:32:01 AM 3 33.06 0.00 9.82 7.30 0.10 49.71 03:33:01 AM all 45.54 0.00 1.82 0.79 0.10 51.75 03:33:01 AM 0 46.70 0.00 2.22 1.00 0.10 49.97 03:33:01 AM 1 37.01 0.00 1.24 0.79 0.10 60.87 03:33:01 AM 2 46.04 0.00 1.87 0.62 0.10 51.37 03:33:01 AM 3 52.40 0.00 1.96 0.75 0.10 44.79 03:34:01 AM all 36.41 0.00 2.06 0.84 0.10 60.59 03:34:01 AM 0 36.56 0.00 2.09 0.13 0.12 61.10 03:34:01 AM 1 39.78 0.00 1.80 0.10 0.08 58.23 03:34:01 AM 2 46.30 0.00 2.09 0.28 0.10 51.23 03:34:01 AM 3 22.98 0.00 2.26 2.83 0.10 71.83 Average: all 34.70 0.02 3.92 3.22 0.10 58.04 Average: 0 32.23 0.01 4.07 2.19 0.10 61.40 Average: 1 36.37 0.02 3.55 2.59 0.09 57.38 Average: 2 36.87 0.02 4.31 4.50 0.10 54.21 Average: 3 33.33 0.02 3.75 3.61 0.10 59.19