---> uname -a: Linux prd-centos8-docker-4c-4g-17581.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 758 12096 19 2906 14664 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:19:0d:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.238/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fe19:d53/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e2:e9:6d:32 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) 06/18/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 183.58 6.74 176.83 1105.71 8748.99 01:25:02 PM 246.90 18.16 228.74 3873.51 13944.40 01:26:01 PM 40.15 2.54 37.61 244.08 8034.75 01:27:01 PM 52.64 3.15 49.49 140.11 9396.60 Average: 130.97 7.67 123.30 1346.46 10044.95 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13185460 15155420 2953860 18.30 2688 2178456 1103000 6.42 140144 2435160 304748 01:25:02 PM 11809140 14177168 4330180 26.83 2688 2569036 2131332 12.40 226500 3683132 229028 01:26:01 PM 11119152 13498576 5020168 31.11 2688 2579500 2654720 15.45 255808 4335188 896 01:27:01 PM 12389900 15020332 3749420 23.23 2688 2827884 1140276 6.63 539860 2782792 7480 Average: 12125913 14462874 4013407 24.87 2688 2538719 1757332 10.22 290578 3309068 135538 01:23:02 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 101.44 70.48 1711.01 24.18 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 01:25:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:02 PM eth0 387.14 282.36 4322.41 60.33 0.00 0.00 0.00 0.00 01:25:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 25.60 25.60 5.16 5.16 0.00 0.00 0.00 0.00 01:26:01 PM eth0 33.68 18.70 13.95 23.17 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 4.23 4.23 1.04 1.04 0.00 0.00 0.00 0.00 01:27:01 PM eth0 74.90 81.50 281.88 939.69 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 7.41 7.41 1.54 1.54 0.00 0.00 0.00 0.00 Average: eth0 149.98 113.84 1588.34 263.82 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) 06/18/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 19.03 0.00 1.99 0.98 0.08 77.93 01:24:01 PM 0 31.94 0.00 3.14 2.04 0.10 62.78 01:24:01 PM 1 9.58 0.00 1.39 0.78 0.07 88.17 01:24:01 PM 2 27.49 0.00 2.58 0.85 0.08 68.99 01:24:01 PM 3 7.07 0.00 0.83 0.24 0.07 91.79 01:25:02 PM all 35.29 0.00 2.45 8.98 0.10 53.17 01:25:02 PM 0 33.90 0.00 2.62 17.14 0.12 46.22 01:25:02 PM 1 35.61 0.00 2.62 8.85 0.12 52.80 01:25:02 PM 2 33.82 0.00 2.73 8.46 0.08 54.90 01:25:02 PM 3 37.84 0.00 1.84 1.46 0.08 58.77 01:26:01 PM all 31.13 0.00 0.87 0.28 0.08 67.64 01:26:01 PM 0 26.18 0.00 1.12 0.44 0.08 72.17 01:26:01 PM 1 21.45 0.00 1.44 0.37 0.08 76.64 01:26:01 PM 2 39.20 0.00 0.32 0.14 0.08 60.26 01:26:01 PM 3 37.65 0.00 0.61 0.17 0.07 61.50 01:27:01 PM all 21.03 0.00 1.83 0.71 0.08 76.36 01:27:01 PM 0 20.16 0.00 2.19 0.43 0.08 77.13 01:27:01 PM 1 22.49 0.00 1.35 0.62 0.07 75.48 01:27:01 PM 2 19.51 0.00 1.94 0.82 0.07 77.67 01:27:01 PM 3 21.95 0.00 1.84 0.95 0.08 75.18 Average: all 26.63 0.00 1.79 2.75 0.08 68.74 Average: 0 28.04 0.00 2.27 5.04 0.10 64.55 Average: 1 22.34 0.00 1.71 2.67 0.08 73.19 Average: 2 29.98 0.00 1.90 2.58 0.08 65.47 Average: 3 26.17 0.00 1.29 0.71 0.08 71.77