---> uname -a: Linux prd-centos8-docker-4c-4g-2541.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 805 12046 19 2908 14617 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:29:2f:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.205/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe29:2feb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:5e:fc:b5 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) 06/25/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 133.88 14.91 118.96 3144.28 9029.96 01:25:01 PM 232.36 6.41 225.95 1082.35 17950.25 01:26:01 PM 26.82 0.47 26.35 16.13 1357.52 Average: 131.03 7.26 123.76 1414.04 9446.43 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12827324 14905580 3311996 20.52 2688 2286124 1503036 8.74 157896 2767100 245648 01:25:01 PM 11351156 13731552 4788164 29.67 2688 2581256 2540316 14.78 255684 4103604 31972 01:26:01 PM 12361256 14989640 3778064 23.41 2688 2827620 1198156 6.97 351432 3000536 246544 Average: 12179912 14542257 3959408 24.53 2688 2565000 1747169 10.17 255004 3290413 174721 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 249.13 163.66 1736.73 25.54 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 10.39 10.39 3.26 3.26 0.00 0.00 0.00 0.00 01:25:01 PM eth0 388.51 268.99 4147.27 72.30 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 18.67 18.67 2.83 2.83 0.00 0.00 0.00 0.00 01:26:01 PM eth0 68.38 47.96 274.90 27.51 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 Average: lo 9.69 9.69 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 235.35 160.21 2053.12 41.79 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) 06/25/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 19.52 0.00 2.12 1.13 0.10 77.14 01:24:01 PM 0 19.70 0.00 2.27 0.52 0.10 77.42 01:24:01 PM 1 23.77 0.00 2.56 1.74 0.08 71.85 01:24:01 PM 2 27.40 0.00 2.78 1.96 0.10 67.76 01:24:01 PM 3 7.23 0.00 0.85 0.30 0.10 91.51 01:25:01 PM all 57.78 0.00 2.59 1.81 0.15 37.67 01:25:01 PM 0 47.10 0.00 2.95 2.26 0.15 47.54 01:25:01 PM 1 64.31 0.00 2.07 1.14 0.15 32.33 01:25:01 PM 2 65.31 0.00 2.06 1.91 0.13 30.59 01:25:01 PM 3 54.37 0.00 3.30 1.93 0.15 40.26 01:26:01 PM all 14.01 0.00 1.12 0.16 0.05 84.65 01:26:01 PM 0 11.22 0.00 1.41 0.40 0.05 86.92 01:26:01 PM 1 16.59 0.00 1.49 0.15 0.05 81.72 01:26:01 PM 2 16.71 0.00 0.62 0.00 0.07 82.61 01:26:01 PM 3 11.53 0.00 0.97 0.08 0.05 87.37 Average: all 30.43 0.00 1.94 1.03 0.10 66.50 Average: 0 25.99 0.00 2.21 1.06 0.10 70.64 Average: 1 34.89 0.00 2.04 1.01 0.09 61.97 Average: 2 36.47 0.00 1.82 1.29 0.10 60.33 Average: 3 24.37 0.00 1.71 0.77 0.10 73.06