---> uname -a: Linux prd-centos8-docker-4c-4g-17377.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: 2800.000 BogoMIPS: 5600.00 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 767 12094 20 2898 14655 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:27:19:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.236/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:fe27:19e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4d:37:50:28 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) 09/02/2026 _x86_64_ (4 CPU) 13:22:36 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 213.70 19.36 194.34 5404.07 7749.83 01:25:01 PM 239.18 14.83 224.35 3115.88 15731.08 01:26:01 PM 75.32 6.30 69.03 1081.11 8369.24 01:27:01 PM 21.91 1.47 20.44 91.84 431.84 Average: 137.52 10.49 127.03 2423.19 8070.18 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13293484 15073680 2845824 17.63 2688 1996612 1129436 6.57 138152 2350700 180528 01:25:01 PM 12509960 14811276 3629348 22.49 2688 2504952 1362632 7.93 193920 3016688 201508 01:26:01 PM 11506324 13876912 4632984 28.71 2688 2572364 2212140 12.87 255092 3950904 3060 01:27:01 PM 12378724 15000824 3760584 23.30 2688 2821764 1156456 6.73 529868 2804028 263800 Average: 12422123 14690673 3717185 23.03 2688 2473923 1465166 8.52 279258 3030580 162224 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 317.28 198.78 1789.51 67.45 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 384.60 289.19 4378.85 45.82 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 14.05 14.05 3.61 3.61 0.00 0.00 0.00 0.00 01:26:01 PM eth0 112.21 62.21 515.37 48.90 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 15.09 15.09 2.48 2.48 0.00 0.00 0.00 0.00 01:27:01 PM eth0 77.19 75.06 279.03 931.10 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 7.29 7.29 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 222.81 156.30 1740.58 273.33 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) 09/02/2026 _x86_64_ (4 CPU) 13:22:36 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.79 0.00 2.96 1.08 0.04 69.13 01:24:01 PM 0 34.35 0.00 3.99 0.97 0.05 60.64 01:24:01 PM 1 28.49 0.00 2.68 0.47 0.03 68.33 01:24:01 PM 2 18.48 0.00 2.77 2.62 0.05 76.08 01:24:01 PM 3 25.84 0.00 2.39 0.27 0.03 71.46 01:25:01 PM all 23.96 0.00 2.67 1.27 0.05 72.04 01:25:01 PM 0 22.27 0.00 2.68 1.61 0.07 73.38 01:25:01 PM 1 31.20 0.00 3.48 1.09 0.05 64.18 01:25:01 PM 2 21.79 0.00 2.53 1.69 0.05 73.94 01:25:01 PM 3 20.58 0.00 1.98 0.70 0.05 76.69 01:26:01 PM all 49.47 0.00 1.48 0.32 0.03 48.70 01:26:01 PM 0 56.96 0.00 1.04 0.25 0.02 41.74 01:26:01 PM 1 40.98 0.00 2.61 0.75 0.03 55.62 01:26:01 PM 2 59.39 0.00 0.43 0.00 0.02 40.16 01:26:01 PM 3 40.52 0.00 1.84 0.28 0.05 57.31 01:27:01 PM all 16.89 0.00 1.48 0.13 0.03 81.47 01:27:01 PM 0 7.97 0.00 1.64 0.13 0.03 90.22 01:27:01 PM 1 24.27 0.00 1.77 0.20 0.03 73.73 01:27:01 PM 2 19.65 0.00 1.00 0.02 0.03 79.29 01:27:01 PM 3 15.65 0.00 1.52 0.15 0.02 82.66 Average: all 29.28 0.00 2.15 0.70 0.04 67.83 Average: 0 30.39 0.00 2.33 0.74 0.04 66.50 Average: 1 31.23 0.00 2.63 0.63 0.04 65.47 Average: 2 29.86 0.00 1.68 1.08 0.04 67.34 Average: 3 25.65 0.00 1.93 0.35 0.04 72.03