---> uname -a: Linux prd-centos8-docker-4c-4g-2258.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 765 12100 20 2894 14657 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:2b:f4:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.143/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86056sec preferred_lft 86056sec inet6 fe80::f816:3eff:fe2b:f435/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f7:5a:00:20 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) 10/16/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 242.19 73.22 168.97 8716.12 39911.60 01:25:01 PM 100.63 0.08 100.55 1.60 9450.75 01:26:01 PM 149.06 14.85 134.21 3116.68 9203.70 01:27:01 PM 121.64 6.26 115.38 1080.39 9613.31 01:28:01 PM 42.99 1.65 41.34 123.05 9518.40 Average: 130.94 19.04 111.91 2587.57 15459.91 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13542584 15097208 2596732 16.09 2688 1782812 1197180 6.97 135224 2148032 35964 01:25:01 PM 13135940 15043108 3003376 18.61 2688 2119012 1149956 6.69 150764 2476764 164416 01:26:01 PM 12695584 14839952 3443732 21.34 2688 2349004 1344192 7.82 190660 2841804 72276 01:27:01 PM 11440348 13807008 4698968 29.12 2688 2568140 2295624 13.36 255140 4016480 1384 01:28:01 PM 12435540 15054744 3703776 22.95 2688 2818828 1097392 6.38 532676 2747028 7528 Average: 12649999 14768404 3489317 21.62 2688 2327559 1416869 8.24 252893 2846022 56314 01:23:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 285.72 157.10 926.62 62.59 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 71.31 43.64 1147.78 6.64 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 168.56 137.99 1583.86 30.53 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 28.15 28.15 7.34 7.34 0.00 0.00 0.00 0.00 01:27:01 PM eth0 287.66 193.67 2983.69 50.42 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 3.73 3.73 0.97 0.97 0.00 0.00 0.00 0.00 01:28:01 PM eth0 88.25 73.67 270.22 935.08 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.40 6.40 1.67 1.67 0.00 0.00 0.00 0.00 Average: eth0 179.96 121.10 1384.01 217.53 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) 10/16/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 14.42 0.00 2.64 2.04 0.01 80.89 01:24:01 PM 0 11.54 0.00 3.65 1.45 0.02 83.35 01:24:01 PM 1 22.56 0.00 2.48 0.83 0.02 74.11 01:24:01 PM 2 12.67 0.00 2.02 0.31 0.00 85.00 01:24:01 PM 3 10.89 0.00 2.42 5.57 0.02 81.10 01:25:01 PM all 12.23 0.00 1.18 0.46 0.01 86.12 01:25:01 PM 0 22.82 0.00 1.72 0.45 0.02 74.99 01:25:01 PM 1 3.39 0.00 0.50 0.33 0.00 95.77 01:25:01 PM 2 4.60 0.00 0.90 0.79 0.00 93.71 01:25:01 PM 3 18.08 0.00 1.60 0.27 0.02 80.03 01:26:01 PM all 17.90 0.00 1.98 0.72 0.02 79.39 01:26:01 PM 0 17.64 0.00 2.08 0.95 0.02 79.31 01:26:01 PM 1 17.98 0.00 2.22 0.82 0.02 78.96 01:26:01 PM 2 18.04 0.00 1.57 0.52 0.02 79.85 01:26:01 PM 3 17.92 0.00 2.06 0.59 0.02 79.41 01:27:01 PM all 51.17 0.00 2.10 0.48 0.02 46.22 01:27:01 PM 0 48.28 0.00 1.77 0.38 0.02 49.55 01:27:01 PM 1 43.36 0.00 2.66 0.37 0.02 53.60 01:27:01 PM 2 54.25 0.00 2.61 1.06 0.02 42.07 01:27:01 PM 3 58.80 0.00 1.37 0.12 0.03 39.68 01:28:01 PM all 18.53 0.00 1.91 0.31 0.01 79.25 01:28:01 PM 0 11.54 0.00 1.15 0.00 0.02 87.29 01:28:01 PM 1 25.23 0.00 2.19 0.30 0.03 72.25 01:28:01 PM 2 11.03 0.00 2.13 0.84 0.00 86.01 01:28:01 PM 3 26.30 0.00 2.17 0.08 0.00 71.44 Average: all 22.88 0.00 1.96 0.80 0.01 74.35 Average: 0 22.40 0.00 2.07 0.64 0.02 74.87 Average: 1 22.50 0.00 2.01 0.53 0.02 74.95 Average: 2 20.13 0.00 1.85 0.70 0.01 77.31 Average: 3 26.47 0.00 1.92 1.31 0.02 70.29