---> uname -a: Linux prd-centos8-docker-4c-4g-4780.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 786 12070 20 2904 14635 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:dc:9d:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.105/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86058sec preferred_lft 86058sec inet6 fe80::f816:3eff:fedc:9d73/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:98:6a:0b:3b 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) 10/24/2026 _x86_64_ (4 CPU) 13:22:42 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 55.97 0.20 55.77 30.00 4257.24 01:26:01 PM 139.60 14.98 124.63 3224.93 12614.36 01:27:01 PM 178.07 5.73 172.34 1040.99 11564.40 01:28:01 PM 41.31 1.85 39.46 101.58 5378.34 Average: 103.74 5.69 98.05 1099.46 8453.89 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13342724 15125180 2796592 17.33 2688 1998656 1066116 6.20 137920 2302868 173804 01:26:01 PM 12896784 14992512 3242532 20.09 2688 2302360 1413552 8.22 185244 2656028 70164 01:27:01 PM 11439720 13813628 4699596 29.12 2688 2574404 2341028 13.62 254716 4013756 9816 01:28:01 PM 12357240 14982588 3782076 23.43 2688 2823980 1162408 6.76 352752 3002016 133772 Average: 12509117 14728477 3630199 22.49 2688 2424850 1495776 8.70 232658 2993667 96889 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 67.89 42.74 898.03 6.14 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 111.81 79.09 1098.40 23.73 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 17.51 17.51 2.81 2.81 0.00 0.00 0.00 0.00 01:27:01 PM eth0 374.98 272.68 3795.01 70.21 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 15.80 15.80 5.64 5.64 0.00 0.00 0.00 0.00 01:28:01 PM eth0 87.62 75.92 270.55 936.50 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 8.33 8.33 2.11 2.11 0.00 0.00 0.00 0.00 Average: eth0 160.58 117.61 1515.58 259.13 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) 10/24/2026 _x86_64_ (4 CPU) 13:22:42 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 9.78 0.00 0.93 0.28 0.00 89.00 01:25:01 PM 0 4.84 0.00 0.47 0.07 0.00 94.63 01:25:01 PM 1 16.81 0.00 1.65 0.40 0.00 81.13 01:25:01 PM 2 7.74 0.00 0.89 0.45 0.00 90.92 01:25:01 PM 3 9.72 0.00 0.72 0.20 0.02 89.34 01:26:01 PM all 15.72 0.00 1.88 0.82 0.00 81.57 01:26:01 PM 0 8.89 0.00 1.72 1.13 0.00 88.25 01:26:01 PM 1 13.05 0.00 1.59 0.72 0.00 84.65 01:26:01 PM 2 15.16 0.00 1.75 0.89 0.02 82.18 01:26:01 PM 3 25.81 0.00 2.46 0.53 0.00 71.20 01:27:01 PM all 50.65 0.00 2.14 0.89 0.02 46.30 01:27:01 PM 0 35.82 0.00 2.53 0.55 0.00 61.10 01:27:01 PM 1 59.64 0.00 2.32 1.04 0.05 36.95 01:27:01 PM 2 46.23 0.00 2.29 1.27 0.00 50.20 01:27:01 PM 3 60.92 0.00 1.42 0.69 0.02 36.96 01:28:01 PM all 14.46 0.00 1.39 0.25 0.00 83.90 01:28:01 PM 0 11.91 0.00 0.97 0.28 0.00 86.84 01:28:01 PM 1 11.49 0.00 1.80 0.48 0.00 86.22 01:28:01 PM 2 10.88 0.00 1.17 0.10 0.00 87.85 01:28:01 PM 3 23.55 0.00 1.64 0.12 0.00 74.69 Average: all 22.64 0.00 1.59 0.56 0.01 75.21 Average: 0 15.35 0.00 1.42 0.51 0.00 82.72 Average: 1 25.24 0.00 1.84 0.66 0.01 72.24 Average: 2 19.99 0.00 1.53 0.68 0.00 77.80 Average: 3 29.97 0.00 1.56 0.38 0.01 68.07