---> uname -a: Linux prd-centos8-docker-4c-4g-7759.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 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 763 12084 20 2912 14658 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:3e:39:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.45/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fe3e:39a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:80:53:5e:56 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) 10/07/2026 _x86_64_ (4 CPU) 13:22:38 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 239.40 25.55 213.84 5782.98 9107.25 01:25:01 PM 260.46 18.65 241.81 4038.24 15148.22 01:26:01 PM 63.06 2.87 60.20 252.32 8356.50 Average: 187.65 15.69 171.96 3358.05 10871.03 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13235412 15054964 2903896 17.99 2688 2035960 1132356 6.59 138432 2406856 188576 01:25:01 PM 11869700 14242960 4269608 26.45 2688 2575256 1984836 11.55 225356 3618616 229204 01:26:01 PM 12367732 14992580 3771576 23.37 2688 2825084 1161988 6.76 350800 2990936 247412 Average: 12490948 14763501 3648360 22.61 2688 2478767 1426393 8.30 238196 3005469 221731 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 312.16 195.32 2050.16 67.92 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 434.86 321.20 4614.75 68.43 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 31.86 31.86 8.30 8.30 0.00 0.00 0.00 0.00 01:26:01 PM eth0 110.21 98.10 294.96 56.75 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 10.62 10.62 2.77 2.77 0.00 0.00 0.00 0.00 Average: eth0 285.76 204.89 2320.20 64.37 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) 10/07/2026 _x86_64_ (4 CPU) 13:22:38 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.85 0.00 3.07 1.41 0.01 71.67 01:24:01 PM 0 18.64 0.00 2.32 0.60 0.00 78.43 01:24:01 PM 1 28.09 0.00 3.51 0.74 0.02 67.65 01:24:01 PM 2 15.51 0.00 2.79 0.96 0.00 80.75 01:24:01 PM 3 33.12 0.00 3.67 3.33 0.02 59.86 01:25:01 PM all 38.47 0.00 3.45 1.50 0.02 56.56 01:25:01 PM 0 52.14 0.00 3.29 1.35 0.03 43.19 01:25:01 PM 1 29.98 0.00 3.63 1.91 0.02 64.46 01:25:01 PM 2 31.44 0.00 3.79 1.07 0.02 63.68 01:25:01 PM 3 40.27 0.00 3.08 1.67 0.02 54.95 01:26:01 PM all 39.01 0.00 2.00 0.38 0.02 58.59 01:26:01 PM 0 54.43 0.00 1.45 0.10 0.03 43.98 01:26:01 PM 1 23.42 0.00 2.53 1.10 0.00 72.95 01:26:01 PM 2 41.96 0.00 1.96 0.20 0.02 55.87 01:26:01 PM 3 36.23 0.00 2.06 0.10 0.02 61.59 Average: all 33.78 0.00 2.84 1.09 0.02 62.27 Average: 0 41.74 0.00 2.36 0.69 0.02 55.19 Average: 1 27.16 0.00 3.22 1.25 0.01 68.35 Average: 2 29.66 0.00 2.84 0.74 0.01 66.75 Average: 3 36.54 0.00 2.93 1.70 0.02 58.80