---> uname -a: Linux prd-centos8-docker-4c-4g-7459.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 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 783 12070 20 2906 14639 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:b0:af:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.223/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86166sec preferred_lft 86166sec inet6 fe80::f816:3eff:feb0:afb9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ec:19:39:5a 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) 10/06/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 191.75 9.25 182.51 2870.64 8072.14 01:25:01 PM 257.89 19.42 238.46 4211.89 15099.43 01:26:01 PM 55.51 3.05 52.47 150.88 8163.38 Average: 168.39 10.57 157.82 2411.24 10445.24 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13203464 15122180 2935852 18.19 2688 2128400 1069156 6.22 137584 2419364 284544 01:25:01 PM 11625184 14000436 4514132 27.97 2688 2576924 2093540 12.18 240040 3849000 226256 01:26:01 PM 12362612 14991468 3776704 23.40 2688 2828332 1202664 7.00 351792 2998552 262664 Average: 12397087 14704695 3742229 23.19 2688 2511219 1455120 8.47 243139 3088972 257821 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 150.97 99.85 1455.01 38.61 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 379.31 295.14 4597.77 56.52 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 31.26 31.26 8.25 8.25 0.00 0.00 0.00 0.00 01:26:01 PM eth0 90.59 82.79 277.48 944.41 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 10.47 10.47 2.75 2.75 0.00 0.00 0.00 0.00 Average: eth0 206.96 159.27 2110.22 346.50 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) 10/06/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 20.88 0.00 2.49 1.50 0.01 75.12 01:24:01 PM 0 16.76 0.00 2.00 0.92 0.00 80.32 01:24:01 PM 1 26.38 0.00 3.70 2.78 0.02 67.12 01:24:01 PM 2 19.97 0.00 2.24 1.61 0.02 76.16 01:24:01 PM 3 20.42 0.00 2.02 0.70 0.00 76.85 01:25:01 PM all 45.68 0.00 3.20 1.57 0.02 49.54 01:25:01 PM 0 44.10 0.00 2.81 1.29 0.02 51.79 01:25:01 PM 1 43.71 0.00 3.21 1.32 0.02 51.73 01:25:01 PM 2 47.11 0.00 2.47 1.07 0.02 49.34 01:25:01 PM 3 47.80 0.00 4.29 2.62 0.02 45.27 01:26:01 PM all 33.49 0.00 1.96 0.33 0.01 64.21 01:26:01 PM 0 32.72 0.00 2.06 0.64 0.02 64.57 01:26:01 PM 1 34.79 0.00 1.85 0.12 0.02 63.22 01:26:01 PM 2 35.68 0.00 1.35 0.03 0.02 62.92 01:26:01 PM 3 30.75 0.00 2.58 0.55 0.00 66.12 Average: all 33.34 0.00 2.55 1.14 0.01 62.96 Average: 0 31.18 0.00 2.29 0.95 0.01 65.57 Average: 1 34.96 0.00 2.92 1.41 0.02 60.69 Average: 2 34.24 0.00 2.02 0.90 0.02 62.81 Average: 3 32.98 0.00 2.96 1.29 0.01 62.76