---> uname -a: Linux prd-centos8-docker-4c-4g-4189.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 773 12080 20 2906 14648 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:38:37:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.221/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe38:3734/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:b9:d5:6d 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) 09/22/2026 _x86_64_ (4 CPU) 13:22:38 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 252.47 36.19 216.28 6594.66 13878.94 01:25:02 PM 254.46 18.65 235.81 4036.90 15071.51 01:26:01 PM 50.08 2.54 47.53 244.16 8442.43 01:27:01 PM 43.34 1.63 41.70 122.89 9389.84 Average: 150.10 14.72 135.38 2744.35 11700.88 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13259316 15065064 2880000 17.84 2688 2021952 1148320 6.68 138424 2384820 183876 01:25:02 PM 11834056 14200964 4305260 26.68 2688 2568796 1943184 11.31 228404 3651832 230840 01:26:01 PM 11407020 13785356 4732296 29.32 2688 2579260 2323848 13.52 255692 4045280 924 01:27:01 PM 12330820 14962960 3808496 23.60 2688 2830760 1185116 6.90 540864 2838148 10244 Average: 12207803 14503586 3931513 24.36 2688 2500192 1650117 9.60 290846 3230020 106471 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 346.68 206.76 2031.92 69.89 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 01:25:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:02 PM eth0 428.19 333.82 4663.78 82.43 0.00 0.00 0.00 0.00 01:25:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 25.25 25.25 5.13 5.13 0.00 0.00 0.00 0.00 01:26:01 PM eth0 29.69 19.76 19.16 22.34 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 4.20 4.20 1.04 1.04 0.00 0.00 0.00 0.00 01:27:01 PM eth0 90.50 83.29 281.83 931.58 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 Average: lo 7.32 7.32 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 224.11 161.34 1755.81 278.47 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) 09/22/2026 _x86_64_ (4 CPU) 13:22:38 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.17 0.00 3.36 2.89 0.03 67.56 01:24:01 PM 0 27.00 0.00 4.87 5.77 0.03 62.33 01:24:01 PM 1 30.26 0.00 3.42 0.88 0.02 65.42 01:24:01 PM 2 31.36 0.00 3.07 3.22 0.03 62.32 01:24:01 PM 3 16.04 0.00 2.08 1.67 0.02 80.18 01:25:02 PM all 40.06 0.00 3.26 1.39 0.03 55.27 01:25:02 PM 0 51.25 0.00 3.76 1.07 0.03 43.89 01:25:02 PM 1 31.02 0.00 3.10 1.38 0.02 64.48 01:25:02 PM 2 42.37 0.00 3.14 1.47 0.05 52.97 01:25:02 PM 3 35.61 0.00 3.03 1.62 0.02 59.72 01:26:01 PM all 30.56 0.00 1.08 0.20 0.02 68.14 01:26:01 PM 0 36.61 0.00 0.70 0.08 0.02 62.59 01:26:01 PM 1 29.21 0.00 1.26 0.12 0.02 69.39 01:26:01 PM 2 33.23 0.00 0.97 0.10 0.02 65.69 01:26:01 PM 3 23.19 0.00 1.41 0.48 0.02 74.91 01:27:01 PM all 23.20 0.00 2.04 0.32 0.02 74.42 01:27:01 PM 0 25.05 0.00 1.92 0.68 0.02 72.33 01:27:01 PM 1 29.77 0.00 2.89 0.43 0.03 66.87 01:27:01 PM 2 27.95 0.00 2.06 0.15 0.02 69.83 01:27:01 PM 3 10.01 0.00 1.30 0.02 0.00 88.67 Average: all 30.01 0.00 2.44 1.19 0.02 66.33 Average: 0 35.00 0.00 2.81 1.89 0.03 60.27 Average: 1 30.07 0.00 2.67 0.71 0.02 66.53 Average: 2 33.74 0.00 2.31 1.23 0.03 62.69 Average: 3 21.23 0.00 1.96 0.95 0.01 75.86