---> uname -a: Linux prd-centos8-docker-4c-4g-9396.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 835 12012 19 2912 14587 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:1a:51:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe1a:516c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:57:a4:51:1f 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) 07/13/2026 _x86_64_ (4 CPU) 01:24:44 LINUX RESTART (4 CPU) 01:25:01 AM tps rtps wtps bread/s bwrtn/s 01:26:01 AM 255.90 21.16 234.74 5053.12 7311.88 01:27:01 AM 265.72 18.59 247.13 4024.25 16068.45 01:28:01 AM 47.36 2.42 44.94 236.09 8329.25 Average: 189.67 14.06 175.61 3104.70 10570.29 01:25:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:26:01 AM 13299300 15073064 2840012 17.60 2688 1989276 1220856 7.10 137924 2346060 169280 01:27:01 AM 11686188 14061784 4453124 27.59 2688 2576824 2140356 12.45 223264 3806412 231108 01:28:01 AM 11191640 13577988 4947672 30.66 2688 2587176 2531432 14.73 250604 4266716 908 Average: 12059043 14237612 4080269 25.28 2688 2384425 1964215 11.43 203931 3473063 133765 01:25:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 AM eth0 374.66 215.33 1769.95 71.87 0.00 0.00 0.00 0.00 01:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 413.06 292.69 4993.65 56.03 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 24.73 24.73 5.05 5.05 0.00 0.00 0.00 0.00 01:28:01 AM eth0 26.23 18.73 10.46 18.15 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.24 8.24 1.68 1.68 0.00 0.00 0.00 0.00 Average: eth0 271.34 175.60 2258.30 48.69 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) 07/13/2026 _x86_64_ (4 CPU) 01:24:44 LINUX RESTART (4 CPU) 01:25:01 AM CPU %user %nice %system %iowait %steal %idle 01:26:01 AM all 19.80 0.00 2.66 1.07 0.08 76.38 01:26:01 AM 0 23.55 0.00 2.84 0.67 0.08 72.86 01:26:01 AM 1 29.14 0.00 2.52 0.52 0.08 67.74 01:26:01 AM 2 13.75 0.00 3.02 1.63 0.08 81.51 01:26:01 AM 3 12.74 0.00 2.26 1.47 0.07 83.46 01:27:01 AM all 39.81 0.00 2.86 1.43 0.09 55.81 01:27:01 AM 0 44.53 0.00 3.51 1.20 0.10 50.65 01:27:01 AM 1 41.99 0.00 3.34 1.30 0.08 53.28 01:27:01 AM 2 33.91 0.00 2.62 1.81 0.08 61.58 01:27:01 AM 3 38.77 0.00 1.97 1.42 0.08 57.75 01:28:01 AM all 30.41 0.00 0.77 0.26 0.08 68.47 01:28:01 AM 0 27.86 0.00 0.95 0.32 0.08 70.78 01:28:01 AM 1 39.14 0.00 0.33 0.02 0.07 60.44 01:28:01 AM 2 17.22 0.00 1.21 0.72 0.10 80.75 01:28:01 AM 3 37.35 0.00 0.60 0.00 0.08 61.97 Average: all 30.01 0.00 2.10 0.92 0.08 66.89 Average: 0 31.98 0.00 2.43 0.73 0.09 64.77 Average: 1 36.76 0.00 2.07 0.61 0.08 60.49 Average: 2 21.63 0.00 2.28 1.39 0.09 74.61 Average: 3 29.63 0.00 1.61 0.96 0.08 67.72