---> uname -a: Linux prd-centos8-docker-4c-4g-4522.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 826 12036 19 2898 14597 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:09:cb:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.88/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fe09:cb90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b0:8f:ab:17 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) 05/28/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 168.29 15.16 153.12 3148.54 10285.82 01:25:01 PM 210.05 6.30 203.75 1081.15 17408.98 01:26:01 PM 34.19 0.47 33.73 16.13 1016.56 Average: 137.51 7.31 130.20 1415.28 9570.45 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12873556 14963656 3265764 20.23 2688 2296968 1501600 8.74 186764 2687112 235616 01:25:01 PM 11439668 13809564 4699652 29.12 2688 2570620 2321368 13.51 255448 4018684 12020 01:26:01 PM 12337748 14947664 3801572 23.55 2688 2809184 1224860 7.13 351104 3028672 246312 Average: 12216991 14573628 3922329 24.30 2688 2558924 1682609 9.79 264439 3244823 164649 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 154.76 117.10 2040.00 26.37 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 11.75 11.75 3.43 3.43 0.00 0.00 0.00 0.00 01:25:01 PM eth0 355.81 239.46 3810.25 53.01 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 16.98 16.98 2.64 2.64 0.00 0.00 0.00 0.00 01:26:01 PM eth0 53.46 44.34 269.19 20.97 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 9.58 9.58 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 188.01 133.63 2039.81 33.45 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) 05/28/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.26 0.00 2.49 0.88 0.10 71.26 01:24:01 PM 0 26.32 0.00 2.54 1.00 0.12 70.03 01:24:01 PM 1 19.82 0.00 2.41 0.79 0.10 76.88 01:24:01 PM 2 30.60 0.00 2.53 0.74 0.08 66.05 01:24:01 PM 3 24.30 0.00 2.51 1.00 0.08 72.10 01:25:01 PM all 53.74 0.00 2.22 1.08 0.13 42.82 01:25:01 PM 0 37.81 0.00 3.01 1.94 0.13 57.10 01:25:01 PM 1 51.71 0.00 2.04 0.64 0.12 45.49 01:25:01 PM 2 61.62 0.00 1.39 0.62 0.13 36.24 01:25:01 PM 3 63.81 0.00 2.46 1.14 0.12 32.47 01:26:01 PM all 13.82 0.00 1.06 0.13 0.07 84.92 01:26:01 PM 0 12.74 0.00 1.09 0.15 0.07 85.96 01:26:01 PM 1 13.54 0.00 0.73 0.03 0.07 85.62 01:26:01 PM 2 18.06 0.00 0.73 0.02 0.07 81.12 01:26:01 PM 3 10.92 0.00 1.71 0.30 0.07 87.00 Average: all 30.93 0.00 1.93 0.70 0.10 66.34 Average: 0 25.62 0.00 2.21 1.03 0.11 71.04 Average: 1 28.35 0.00 1.73 0.48 0.09 69.34 Average: 2 36.76 0.00 1.55 0.46 0.09 61.14 Average: 3 33.02 0.00 2.22 0.81 0.09 63.86