---> uname -a: Linux prd-centos8-docker-4c-4g-2563.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 743 12116 20 2900 14679 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:03:3b:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.96/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe03:3b22/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:be:f3:77:d1 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) 09/17/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 373.19 124.81 248.38 12955.56 43515.49 01:25:01 PM 262.98 18.59 244.39 3958.95 15764.15 01:26:01 PM 45.26 2.52 42.75 237.48 8166.23 01:27:01 PM 45.84 1.65 44.19 123.05 9412.83 Average: 181.82 36.89 144.93 4318.76 19214.62 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13310976 15092420 2828340 17.52 2688 1997616 1149496 6.69 138044 2334092 173748 01:25:01 PM 11786724 14148696 4352592 26.97 2688 2563884 2088492 12.15 222804 3705708 231204 01:26:01 PM 10981100 13353888 5158216 31.96 2688 2574264 2850288 16.58 254948 4472980 904 01:27:01 PM 12394188 15019800 3745128 23.20 2688 2824548 1165876 6.78 539920 2778036 9200 Average: 12118247 14403701 4021069 24.91 2688 2490078 1813538 10.55 288929 3322704 103764 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 294.40 185.44 1787.46 67.19 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 355.36 305.81 4855.63 85.36 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 24.54 24.54 5.02 5.02 0.00 0.00 0.00 0.00 01:26:01 PM eth0 39.10 20.17 23.24 25.61 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 4.17 4.17 1.03 1.03 0.00 0.00 0.00 0.00 01:27:01 PM eth0 83.82 67.81 281.05 932.48 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 7.18 7.18 1.51 1.51 0.00 0.00 0.00 0.00 Average: eth0 193.17 144.81 1736.84 277.62 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) 09/17/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.47 0.01 4.13 2.95 0.03 67.42 01:24:01 PM 0 33.45 0.00 4.83 2.21 0.03 59.47 01:24:01 PM 1 12.32 0.03 4.76 2.87 0.02 80.00 01:24:01 PM 2 18.62 0.00 3.10 1.34 0.02 76.92 01:24:01 PM 3 37.45 0.00 3.83 5.38 0.03 53.31 01:25:01 PM all 36.87 0.00 3.05 1.31 0.03 58.74 01:25:01 PM 0 34.53 0.00 2.92 1.32 0.02 61.21 01:25:01 PM 1 26.95 0.00 3.03 1.51 0.02 68.50 01:25:01 PM 2 42.29 0.00 3.50 1.12 0.05 53.05 01:25:01 PM 3 43.71 0.00 2.76 1.29 0.03 52.21 01:26:01 PM all 30.66 0.00 0.84 0.17 0.03 68.31 01:26:01 PM 0 29.13 0.00 1.24 0.20 0.03 69.40 01:26:01 PM 1 32.34 0.00 0.72 0.10 0.03 66.81 01:26:01 PM 2 37.68 0.00 0.32 0.00 0.02 61.99 01:26:01 PM 3 23.47 0.00 1.10 0.37 0.02 75.04 01:27:01 PM all 22.35 0.00 1.97 0.69 0.05 74.94 01:27:01 PM 0 19.87 0.00 2.39 0.50 0.07 77.17 01:27:01 PM 1 23.22 0.00 1.87 0.99 0.07 73.86 01:27:01 PM 2 22.29 0.00 1.77 0.94 0.03 74.96 01:27:01 PM 3 24.03 0.00 1.84 0.33 0.05 73.75 Average: all 28.84 0.00 2.50 1.28 0.03 67.35 Average: 0 29.24 0.00 2.84 1.06 0.04 66.82 Average: 1 23.72 0.01 2.59 1.36 0.03 72.29 Average: 2 30.23 0.00 2.17 0.85 0.03 66.72 Average: 3 32.16 0.00 2.38 1.84 0.03 63.59