---> uname -a: Linux prd-centos8-docker-4c-4g-16163.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 823 12038 20 2898 14598 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:3d:12:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe3d:1270/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6b:31:b9:52 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) 08/28/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 147.29 15.25 132.04 3148.81 9937.06 01:25:01 PM 224.63 6.42 218.21 1082.89 18210.85 01:26:01 PM 30.21 0.47 29.74 16.13 934.29 Average: 134.04 7.38 126.66 1415.86 9693.58 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12846620 14917088 3292696 20.40 2688 2278972 1398096 8.13 157224 2742868 235128 01:25:01 PM 11226276 13595736 4913040 30.44 2688 2571076 2528096 14.71 254652 4227496 12312 01:26:01 PM 12345976 14957040 3793340 23.50 2688 2811296 1181292 6.87 349088 3018180 246304 Average: 12139624 14489955 3999692 24.78 2688 2553781 1702495 9.91 253655 3329515 164581 01:23:01 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 158.59 108.70 1869.69 23.10 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 11.53 11.53 3.41 3.41 0.00 0.00 0.00 0.00 01:25:01 PM eth0 320.25 262.91 4103.74 69.10 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 17.48 17.48 2.68 2.68 0.00 0.00 0.00 0.00 01:26:01 PM eth0 71.79 58.75 280.18 32.41 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 Average: lo 9.67 9.67 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 183.54 143.45 2084.44 41.53 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) 08/28/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.54 0.00 2.17 0.72 0.02 75.55 01:24:01 PM 0 41.71 0.00 4.36 1.35 0.03 52.54 01:24:01 PM 1 6.62 0.00 1.02 0.47 0.00 91.90 01:24:01 PM 2 11.77 0.00 1.22 0.47 0.02 86.52 01:24:01 PM 3 26.04 0.00 2.07 0.60 0.02 71.26 01:25:01 PM all 55.31 0.00 2.60 1.05 0.04 41.01 01:25:01 PM 0 60.43 0.00 1.84 0.28 0.03 37.41 01:25:01 PM 1 64.76 0.00 2.32 1.12 0.05 31.75 01:25:01 PM 2 54.88 0.00 2.65 1.26 0.03 41.18 01:25:01 PM 3 41.11 0.00 3.58 1.52 0.03 53.75 01:26:01 PM all 11.98 0.00 1.19 0.11 0.01 86.71 01:26:01 PM 0 14.32 0.00 1.29 0.00 0.02 84.38 01:26:01 PM 1 11.05 0.00 1.19 0.03 0.02 87.72 01:26:01 PM 2 12.72 0.00 0.82 0.02 0.00 86.44 01:26:01 PM 3 9.84 0.00 1.47 0.40 0.00 88.29 Average: all 29.60 0.00 1.99 0.63 0.02 67.76 Average: 0 38.82 0.00 2.49 0.55 0.03 58.11 Average: 1 27.47 0.00 1.51 0.54 0.02 70.45 Average: 2 26.45 0.00 1.56 0.58 0.02 71.40 Average: 3 25.66 0.00 2.38 0.84 0.02 71.11