---> uname -a: Linux prd-centos8-docker-4c-4g-5416.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 757 12093 20 2909 14665 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:28:73:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.240/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86172sec preferred_lft 86172sec inet6 fe80::f816:3eff:fe28:73ea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ad:5a:ef:e8 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) 09/26/2026 _x86_64_ (4 CPU) 13:22:36 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 206.96 12.89 194.07 2194.50 7964.10 01:25:01 PM 263.42 20.01 243.41 4029.05 15322.04 01:26:01 PM 50.61 2.02 48.59 108.92 8076.00 Average: 173.68 11.64 162.04 2111.05 10454.31 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13215640 15152456 2923676 18.12 2688 2146384 1093508 6.36 138232 2407136 295112 01:25:01 PM 11499980 13879556 4639336 28.75 2688 2581160 2280524 13.27 248364 3964936 224300 01:26:01 PM 12361968 14995204 3777348 23.40 2688 2832656 1183352 6.88 531988 2820492 264272 Average: 12359196 14675739 3780120 23.42 2688 2520067 1519128 8.84 306195 3064188 261228 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 196.78 121.24 1721.78 45.04 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 4.15 4.15 0.44 0.44 0.00 0.00 0.00 0.00 01:25:01 PM eth0 406.66 318.97 4430.49 70.47 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 28.75 28.75 7.97 7.97 0.00 0.00 0.00 0.00 01:26:01 PM eth0 91.80 80.79 276.74 946.05 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 10.96 10.96 2.80 2.80 0.00 0.00 0.00 0.00 Average: eth0 231.77 173.68 2143.21 353.79 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) 09/26/2026 _x86_64_ (4 CPU) 13:22:36 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.13 0.00 2.30 1.76 0.00 74.81 01:24:01 PM 0 31.67 0.00 3.28 0.60 0.00 64.46 01:24:01 PM 1 23.94 0.00 2.06 2.11 0.00 71.90 01:24:01 PM 2 11.71 0.00 2.03 1.61 0.00 84.65 01:24:01 PM 3 17.15 0.00 1.84 2.73 0.00 78.28 01:25:01 PM all 51.27 0.00 3.07 1.51 0.03 44.13 01:25:01 PM 0 50.63 0.00 3.19 1.29 0.03 44.86 01:25:01 PM 1 47.41 0.00 2.76 1.10 0.02 48.71 01:25:01 PM 2 56.14 0.00 3.22 1.69 0.03 38.92 01:25:01 PM 3 50.91 0.00 3.12 1.94 0.02 44.01 01:26:01 PM all 28.58 0.00 2.09 0.33 0.02 68.98 01:26:01 PM 0 19.97 0.00 1.37 0.70 0.02 77.94 01:26:01 PM 1 37.24 0.00 3.51 0.47 0.02 58.77 01:26:01 PM 2 30.62 0.00 1.55 0.12 0.02 67.69 01:26:01 PM 3 26.49 0.00 1.94 0.02 0.02 71.53 Average: all 33.66 0.00 2.49 1.20 0.01 62.64 Average: 0 34.09 0.00 2.61 0.86 0.02 62.42 Average: 1 36.19 0.00 2.77 1.23 0.01 59.80 Average: 2 32.83 0.00 2.26 1.14 0.02 63.76 Average: 3 31.51 0.00 2.30 1.56 0.01 64.61