---> uname -a: Linux prd-centos8-docker-4c-4g-4087.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 nrip_save 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 753 12106 19 2900 14670 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:de:4a:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.231/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fede:4a60/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e3:8b:0e:c0 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) 05/26/2026 _x86_64_ (4 CPU) 13:23:16 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 148.32 15.11 133.21 3145.48 9848.85 01:26:01 PM 219.71 6.25 213.46 1079.91 18494.99 01:27:01 PM 25.43 0.52 24.91 17.20 690.95 Average: 131.16 7.29 123.87 1414.27 9678.76 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12799176 14878688 3340144 20.70 2688 2286784 1352124 7.87 158620 2790780 245092 01:26:01 PM 11297988 13671148 4841332 30.00 2688 2573908 2501620 14.55 254696 4160104 9320 01:27:01 PM 12420076 15033216 3719244 23.04 2688 2812464 1148960 6.68 348940 2947112 246304 Average: 12172413 14527684 3966907 24.58 2688 2557719 1667568 9.70 254085 3299332 166905 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 134.62 98.17 1809.95 23.52 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 11.36 11.36 3.40 3.40 0.00 0.00 0.00 0.00 01:26:01 PM eth0 341.99 243.87 4014.54 55.80 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 17.55 17.55 2.68 2.68 0.00 0.00 0.00 0.00 01:27:01 PM eth0 75.89 59.39 276.97 31.65 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 9.64 9.64 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 184.17 133.81 2033.92 36.99 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) 05/26/2026 _x86_64_ (4 CPU) 13:23:16 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 21.79 0.00 2.13 0.91 0.51 74.66 01:25:01 PM 0 26.67 0.00 2.22 1.16 0.88 69.07 01:25:01 PM 1 9.96 0.00 1.15 0.68 0.81 87.40 01:25:01 PM 2 34.57 0.00 3.87 1.44 0.20 59.92 01:25:01 PM 3 15.99 0.00 1.31 0.35 0.15 82.20 01:26:01 PM all 58.59 0.00 2.56 2.39 0.47 35.99 01:26:01 PM 0 57.72 0.00 3.65 3.33 0.66 34.64 01:26:01 PM 1 65.07 0.00 1.86 0.65 0.21 32.22 01:26:01 PM 2 64.05 0.00 1.66 0.56 0.20 33.53 01:26:01 PM 3 47.66 0.00 3.05 4.98 0.81 43.51 01:27:01 PM all 13.22 0.00 1.12 0.10 0.05 85.50 01:27:01 PM 0 18.57 0.00 1.39 0.02 0.05 79.97 01:27:01 PM 1 10.45 0.00 1.50 0.28 0.07 87.70 01:27:01 PM 2 13.59 0.00 0.60 0.02 0.05 85.74 01:27:01 PM 3 10.25 0.00 1.00 0.10 0.05 88.60 Average: all 31.06 0.00 1.94 1.13 0.35 65.53 Average: 0 34.26 0.00 2.42 1.50 0.53 61.30 Average: 1 28.19 0.00 1.50 0.54 0.36 69.41 Average: 2 37.22 0.00 2.04 0.67 0.15 59.91 Average: 3 24.57 0.00 1.78 1.80 0.34 71.51