---> uname -a: Linux prd-centos8-docker-4c-4g-4994.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 837 12079 20 2843 14575 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:af:8e:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.202/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86040sec preferred_lft 86040sec inet6 fe80::f816:3eff:feaf:8eed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3f:66:ca:90 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::42:3fff:fe66:ca90/64 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) 10/25/2026 _x86_64_ (4 CPU) 16:15:56 LINUX RESTART (4 CPU) 04:17:01 PM tps rtps wtps bread/s bwrtn/s 04:18:01 PM 51.95 0.33 51.62 32.52 4312.96 04:19:01 PM 102.25 1.80 100.45 291.90 9361.45 04:20:01 PM 167.21 4.98 162.23 502.85 8986.77 04:21:01 PM 108.01 1.98 106.03 3128.42 18098.22 04:22:01 PM 15.26 1.38 13.88 127.29 469.01 Average: 88.68 2.09 86.59 817.63 8243.25 04:17:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:18:01 PM 13362752 15109740 2776556 17.20 2688 1964872 1114788 6.49 138556 2284152 144776 04:19:01 PM 12834136 14826932 3305172 20.48 2688 2201456 1511188 8.79 154056 2757140 157576 04:20:01 PM 12863248 15003736 3276060 20.30 2688 2343632 1430992 8.33 189524 2669124 67408 04:21:01 PM 12411052 14961608 3728256 23.10 2688 2741488 1335376 7.77 318648 2926152 60 04:22:01 PM 12360724 14917636 3778584 23.41 2688 2746540 1229864 7.16 509248 2786444 7624 Average: 12766382 14963930 3372926 20.90 2688 2399598 1324442 7.71 262006 2684602 75489 04:17:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 PM eth0 69.34 43.45 958.77 5.87 0.00 0.00 0.00 0.00 04:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 PM eth0 110.33 72.14 983.60 20.67 0.00 0.00 0.00 0.00 04:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM eth0 183.86 164.58 1507.37 36.55 0.00 0.00 0.00 0.00 04:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM eth0 197.97 62.48 1814.14 7.44 0.00 0.00 0.00 0.00 04:21:01 PM docker0 0.82 0.85 0.76 0.25 0.00 0.00 0.00 0.00 04:21:01 PM vethab650bd 0.82 0.85 0.78 0.25 0.00 0.00 0.00 0.00 04:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 PM eth0 23.26 16.03 17.47 7.76 0.00 0.00 0.00 0.00 04:22:01 PM docker0 0.32 0.30 0.19 0.11 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 116.73 71.43 1054.79 15.59 0.00 0.00 0.00 0.00 Average: docker0 0.23 0.23 0.19 0.07 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) 10/25/2026 _x86_64_ (4 CPU) 16:15:56 LINUX RESTART (4 CPU) 04:17:01 PM CPU %user %nice %system %iowait %steal %idle 04:18:01 PM all 9.23 0.00 0.94 0.26 0.01 89.56 04:18:01 PM 0 6.85 0.00 0.87 0.20 0.02 92.07 04:18:01 PM 1 4.64 0.00 0.60 0.23 0.02 94.51 04:18:01 PM 2 12.14 0.00 1.05 0.27 0.02 86.53 04:18:01 PM 3 13.28 0.00 1.25 0.33 0.00 85.14 04:19:01 PM all 14.13 0.00 1.42 0.54 0.02 83.89 04:19:01 PM 0 11.04 0.00 1.79 0.82 0.02 86.33 04:19:01 PM 1 10.56 0.00 0.67 0.32 0.02 88.44 04:19:01 PM 2 17.56 0.00 1.91 0.70 0.02 79.81 04:19:01 PM 3 17.34 0.00 1.32 0.33 0.02 80.99 04:20:01 PM all 36.74 0.00 2.47 0.85 0.01 59.93 04:20:01 PM 0 35.87 0.00 1.87 0.49 0.00 61.77 04:20:01 PM 1 34.28 0.00 3.20 1.06 0.02 61.44 04:20:01 PM 2 38.96 0.00 2.91 1.36 0.02 56.75 04:20:01 PM 3 37.84 0.00 1.89 0.49 0.02 59.76 04:21:01 PM all 11.17 0.00 2.36 0.63 0.01 85.83 04:21:01 PM 0 21.34 0.00 2.58 0.55 0.02 75.50 04:21:01 PM 1 8.02 0.00 2.78 0.92 0.00 88.27 04:21:01 PM 2 7.97 0.00 2.01 0.65 0.00 89.37 04:21:01 PM 3 7.34 0.00 2.08 0.40 0.02 90.16 04:22:01 PM all 12.35 0.00 1.45 0.05 0.01 86.14 04:22:01 PM 0 18.41 0.00 1.78 0.02 0.02 79.77 04:22:01 PM 1 3.12 0.00 1.19 0.02 0.00 95.68 04:22:01 PM 2 4.52 0.00 1.07 0.00 0.02 94.39 04:22:01 PM 3 23.33 0.00 1.77 0.17 0.02 74.72 Average: all 16.65 0.00 1.73 0.47 0.01 81.15 Average: 0 18.64 0.00 1.78 0.42 0.01 79.16 Average: 1 12.04 0.00 1.68 0.51 0.01 85.76 Average: 2 16.14 0.00 1.78 0.59 0.01 81.46 Average: 3 19.77 0.00 1.66 0.35 0.01 78.21