---> uname -a: Linux prd-centos8-docker-4c-4g-18541.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: 2799.996 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 772 12085 20 2902 14650 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:2c:5d:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.194/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe2c:5d89/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:fe:ea:95 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) 09/07/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 151.52 15.14 136.37 3146.42 10845.38 01:25:01 PM 190.47 4.72 185.75 1018.73 9634.99 01:26:01 PM 34.26 1.68 32.58 63.86 7784.44 01:27:01 PM 43.67 1.65 42.02 123.03 8843.00 Average: 104.98 5.80 99.18 1088.05 9277.02 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12833904 14910776 3305404 20.48 2688 2285556 1356804 7.89 157144 2752516 200396 01:25:01 PM 11740572 14110160 4398736 27.25 2688 2571556 1952208 11.36 239000 3732996 224220 01:26:01 PM 11124252 13499192 5015056 31.07 2688 2576640 2799704 16.29 254688 4328340 908 01:27:01 PM 12403424 15030676 3735884 23.15 2688 2826528 1115016 6.49 539732 2767660 24632 Average: 12025538 14387701 4113770 25.49 2688 2565070 1805933 10.51 297641 3395378 112539 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 152.95 110.56 1742.36 22.78 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 398.88 309.73 4058.47 53.19 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 26.23 26.23 5.17 5.17 0.00 0.00 0.00 0.00 01:26:01 PM eth0 35.09 20.50 25.22 32.51 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 3.45 3.45 0.96 0.96 0.00 0.00 0.00 0.00 01:27:01 PM eth0 98.12 81.84 280.54 928.32 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 7.42 7.42 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 171.27 130.66 1526.71 259.21 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) 09/07/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.55 0.00 2.20 0.73 0.02 75.51 01:24:01 PM 0 30.91 0.00 2.84 0.55 0.03 65.67 01:24:01 PM 1 8.76 0.00 1.02 0.25 0.00 89.97 01:24:01 PM 2 17.60 0.00 2.41 0.84 0.02 79.13 01:24:01 PM 3 28.91 0.00 2.53 1.27 0.02 67.27 01:25:01 PM all 34.99 0.00 2.20 1.02 0.03 61.76 01:25:01 PM 0 33.86 0.00 2.17 0.64 0.03 63.30 01:25:01 PM 1 33.64 0.00 1.99 1.27 0.03 63.06 01:25:01 PM 2 36.26 0.00 2.87 1.41 0.03 59.44 01:25:01 PM 3 36.20 0.00 1.76 0.77 0.03 61.24 01:26:01 PM all 24.49 0.00 0.70 0.15 0.01 74.65 01:26:01 PM 0 17.61 0.00 0.90 0.17 0.00 81.32 01:26:01 PM 1 30.89 0.00 0.27 0.05 0.02 68.78 01:26:01 PM 2 25.99 0.00 0.84 0.08 0.02 73.07 01:26:01 PM 3 23.45 0.00 0.80 0.30 0.02 75.43 01:27:01 PM all 20.68 0.00 2.04 0.28 0.01 76.99 01:27:01 PM 0 10.79 0.00 2.25 0.92 0.02 86.02 01:27:01 PM 1 12.37 0.00 1.49 0.05 0.00 86.09 01:27:01 PM 2 19.48 0.00 1.66 0.05 0.02 78.80 01:27:01 PM 3 40.06 0.00 2.75 0.10 0.02 57.07 Average: all 25.42 0.00 1.78 0.54 0.02 72.23 Average: 0 23.28 0.00 2.04 0.57 0.02 74.09 Average: 1 21.42 0.00 1.19 0.41 0.01 76.97 Average: 2 24.83 0.00 1.94 0.59 0.02 72.61 Average: 3 32.16 0.00 1.96 0.61 0.02 65.25