---> uname -a: Linux prd-centos8-docker-4c-4g-12534.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 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 800 12058 19 2902 14623 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:67:df:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.85/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe67:dfe0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c0:8b:bd:7e 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) 08/14/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 173.44 14.96 158.47 3222.53 10600.32 01:25:01 PM 191.57 6.18 185.39 1055.42 17024.71 01:26:01 PM 28.76 0.50 28.26 17.06 845.23 Average: 131.25 7.22 124.03 1431.59 9489.61 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12823356 14924000 3315964 20.55 2688 2306844 1380984 8.03 186592 2733496 228968 01:25:01 PM 11246188 13620796 4893132 30.32 2688 2575356 2528020 14.71 254776 4210652 8392 01:26:01 PM 12315348 14937900 3823972 23.69 2688 2821612 1235752 7.19 350984 3047820 262176 Average: 12128297 14494232 4011023 24.85 2688 2567937 1714919 9.98 264117 3330656 166512 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 164.76 121.03 2039.68 28.10 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 12.26 12.26 3.48 3.48 0.00 0.00 0.00 0.00 01:25:01 PM eth0 368.46 238.33 3764.51 55.32 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 17.04 17.04 2.64 2.64 0.00 0.00 0.00 0.00 01:26:01 PM eth0 45.68 40.54 265.70 18.50 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 9.77 9.77 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 192.96 133.29 2023.20 33.97 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) 08/14/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.19 0.00 2.33 0.94 0.13 71.41 01:24:01 PM 0 16.96 0.00 1.75 0.60 0.15 80.53 01:24:01 PM 1 24.67 0.00 1.74 0.55 0.12 72.92 01:24:01 PM 2 35.04 0.00 3.03 1.29 0.12 60.52 01:24:01 PM 3 24.09 0.00 2.81 1.32 0.12 71.66 01:25:01 PM all 50.97 0.00 2.16 3.52 0.12 43.23 01:25:01 PM 0 50.21 0.00 2.73 6.91 0.13 40.02 01:25:01 PM 1 43.57 0.00 1.84 4.67 0.12 49.81 01:25:01 PM 2 57.74 0.00 1.72 0.32 0.10 40.13 01:25:01 PM 3 52.36 0.00 2.34 2.21 0.13 42.96 01:26:01 PM all 14.39 0.00 1.05 0.10 0.05 84.41 01:26:01 PM 0 12.25 0.00 0.65 0.05 0.05 87.00 01:26:01 PM 1 22.15 0.00 1.30 0.18 0.07 76.30 01:26:01 PM 2 11.02 0.00 1.09 0.02 0.07 87.81 01:26:01 PM 3 12.13 0.00 1.15 0.13 0.03 86.55 Average: all 30.18 0.00 1.85 1.52 0.10 66.36 Average: 0 26.46 0.00 1.71 2.52 0.11 69.20 Average: 1 30.12 0.00 1.63 1.80 0.10 66.35 Average: 2 34.61 0.00 1.95 0.54 0.09 62.81 Average: 3 29.52 0.00 2.10 1.22 0.09 67.07