---> uname -a: Linux prd-centos8-docker-4c-4g-6253.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 805 12046 19 2909 14618 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:bf:1e:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.218/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:febf:1ea4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:92:9b:6f:4d 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) 07/07/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 263.95 14.96 248.98 3220.13 16692.75 01:26:01 PM 81.37 6.22 75.15 1056.22 9241.89 01:27:01 PM 28.26 2.97 25.29 108.90 470.31 Average: 124.53 8.05 116.48 1461.77 8801.63 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12467632 14782756 3671688 22.75 2688 2517336 1387628 8.07 194272 3061908 223944 01:26:01 PM 11182388 13565100 4956932 30.71 2688 2583320 2587096 15.05 255488 4273464 1732 01:27:01 PM 12327752 14960204 3811568 23.62 2688 2830680 1235344 7.19 530120 2856420 263204 Average: 11992591 14436020 4146729 25.69 2688 2643779 1736689 10.10 326627 3397264 162960 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 365.48 259.00 4637.83 45.85 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 21.48 21.48 4.49 4.49 0.00 0.00 0.00 0.00 01:26:01 PM eth0 108.38 59.69 487.42 32.64 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 7.71 7.71 1.60 1.60 0.00 0.00 0.00 0.00 01:27:01 PM eth0 68.63 72.94 273.91 926.17 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 9.73 9.73 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 180.83 130.55 1799.79 334.91 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) 07/07/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 28.06 0.00 3.10 1.62 0.11 67.12 01:25:01 PM 0 27.47 0.00 3.08 1.20 0.12 68.13 01:25:01 PM 1 19.80 0.00 2.83 1.66 0.10 75.60 01:25:01 PM 2 35.41 0.00 3.70 2.04 0.12 58.73 01:25:01 PM 3 29.54 0.00 2.78 1.56 0.12 66.01 01:26:01 PM all 54.57 0.00 1.77 0.45 0.13 43.08 01:26:01 PM 0 51.71 0.00 2.79 0.69 0.15 44.66 01:26:01 PM 1 42.71 0.00 1.78 0.85 0.12 54.54 01:26:01 PM 2 65.54 0.00 1.03 0.18 0.13 33.11 01:26:01 PM 3 58.26 0.00 1.49 0.07 0.12 40.07 01:27:01 PM all 17.48 0.00 1.52 0.13 0.06 80.81 01:27:01 PM 0 25.15 0.00 2.19 0.42 0.07 72.18 01:27:01 PM 1 10.74 0.00 0.97 0.02 0.07 88.20 01:27:01 PM 2 23.19 0.00 1.82 0.03 0.07 74.89 01:27:01 PM 3 10.83 0.00 1.10 0.03 0.05 87.98 Average: all 33.37 0.00 2.13 0.73 0.10 63.67 Average: 0 34.77 0.00 2.69 0.77 0.11 61.66 Average: 1 24.41 0.00 1.86 0.84 0.09 72.80 Average: 2 41.39 0.00 2.18 0.75 0.11 55.57 Average: 3 32.89 0.00 1.79 0.55 0.09 64.67