---> uname -a: Linux prd-centos8-docker-4c-4g-647.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 802 12044 19 2914 14621 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:a5:21:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.110/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fea5:21fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:3a:43:38 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) 07/22/2026 _x86_64_ (4 CPU) 15:50:57 LINUX RESTART (4 CPU) 03:52:01 PM tps rtps wtps bread/s bwrtn/s 03:53:01 PM 239.77 14.78 224.99 3204.67 16175.34 03:54:01 PM 93.78 6.23 87.55 1056.49 9725.28 03:55:01 PM 32.28 0.85 31.43 67.06 716.51 Average: 121.95 7.29 114.66 1442.83 8872.78 03:52:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:53:01 PM 12478600 14787236 3660712 22.68 2688 2511780 1387264 8.07 186908 3059812 224884 03:54:01 PM 11240468 13628328 4898844 30.35 2688 2588648 2428692 14.13 250044 4220064 1884 03:55:01 PM 12331612 14967320 3807700 23.59 2688 2834876 1189620 6.92 524028 2859756 263196 Average: 12016893 14460961 4122419 25.54 2688 2645101 1668525 9.71 320327 3379877 163321 03:52:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM eth0 355.03 243.30 4501.22 44.35 0.00 0.00 0.00 0.00 03:53:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 PM lo 21.51 21.51 4.49 4.49 0.00 0.00 0.00 0.00 03:54:01 PM eth0 269.39 105.70 696.82 68.04 0.00 0.00 0.00 0.00 03:54:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:55:01 PM lo 8.08 8.08 1.63 1.63 0.00 0.00 0.00 0.00 03:55:01 PM eth0 74.69 61.84 279.33 21.74 0.00 0.00 0.00 0.00 03:55:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.86 9.86 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 233.04 136.95 1825.94 44.71 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) 07/22/2026 _x86_64_ (4 CPU) 15:50:57 LINUX RESTART (4 CPU) 03:52:01 PM CPU %user %nice %system %iowait %steal %idle 03:53:01 PM all 28.76 0.00 3.05 1.32 0.12 66.76 03:53:01 PM 0 29.75 0.00 2.90 1.64 0.12 65.59 03:53:01 PM 1 22.41 0.00 2.41 0.92 0.10 74.15 03:53:01 PM 2 40.13 0.00 4.12 1.34 0.15 54.25 03:53:01 PM 3 22.77 0.00 2.75 1.36 0.10 73.03 03:54:01 PM all 57.17 0.00 1.85 0.49 0.13 40.37 03:54:01 PM 0 46.17 0.00 2.76 1.22 0.13 49.71 03:54:01 PM 1 53.09 0.00 1.69 0.20 0.13 44.88 03:54:01 PM 2 69.25 0.00 1.15 0.20 0.12 29.28 03:54:01 PM 3 60.12 0.00 1.79 0.35 0.12 37.62 03:55:01 PM all 16.50 0.00 1.37 0.13 0.08 81.93 03:55:01 PM 0 20.68 0.00 1.10 0.08 0.10 78.04 03:55:01 PM 1 13.00 0.00 1.24 0.05 0.07 85.65 03:55:01 PM 2 18.59 0.00 1.79 0.07 0.08 79.46 03:55:01 PM 3 13.72 0.00 1.34 0.32 0.07 84.56 Average: all 34.14 0.00 2.09 0.65 0.11 63.02 Average: 0 32.19 0.00 2.25 0.98 0.12 64.46 Average: 1 29.50 0.00 1.78 0.39 0.10 68.23 Average: 2 42.68 0.00 2.35 0.54 0.12 54.31 Average: 3 32.20 0.00 1.96 0.67 0.09 65.07