---> uname -a: Linux prd-centos8-docker-8c-8g-1108.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1007 28270 19 2609 30429 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:fb:b3:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.241/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fefb:b36e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:10:a7:48:74 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) 07/20/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 137.58 1.72 135.86 317.15 10694.47 05:20:01 AM 192.29 2.37 189.92 640.32 12097.33 05:21:01 AM 91.08 1.63 89.45 393.93 6698.20 Average: 140.32 1.91 138.41 450.48 9830.13 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29374760 31262240 3278612 10.04 2688 2204128 1379108 4.09 149568 2669224 232744 05:20:01 AM 27660532 29708964 4992840 15.29 2688 2357312 2740012 8.13 213664 4279012 63348 05:21:01 AM 28903820 31123700 3749552 11.48 2688 2525292 1460092 4.33 249964 2987764 71144 Average: 28646371 30698301 4007001 12.27 2688 2362244 1859737 5.52 204399 3312000 122412 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 157.42 123.03 1775.09 40.36 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 190.72 179.29 1642.51 38.08 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 171.37 144.41 1540.43 33.22 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 173.17 148.91 1652.68 37.22 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) 07/20/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 8.30 0.00 0.90 0.39 0.04 90.37 05:19:01 AM 0 7.77 0.00 0.88 0.15 0.07 91.12 05:19:01 AM 1 16.91 0.00 1.94 0.32 0.05 80.79 05:19:01 AM 2 14.79 0.00 0.92 0.72 0.03 83.54 05:19:01 AM 3 8.19 0.00 1.05 0.78 0.03 89.94 05:19:01 AM 4 3.96 0.00 0.69 0.65 0.05 94.65 05:19:01 AM 5 0.44 0.00 0.32 0.17 0.07 99.01 05:19:01 AM 6 13.44 0.00 1.25 0.30 0.03 84.98 05:19:01 AM 7 0.85 0.00 0.18 0.00 0.02 98.95 05:20:01 AM all 36.85 0.00 1.54 0.95 0.11 60.56 05:20:01 AM 0 41.68 0.00 1.80 0.55 0.10 55.87 05:20:01 AM 1 26.69 0.00 1.84 0.95 0.12 70.40 05:20:01 AM 2 40.48 0.00 2.14 1.27 0.12 55.99 05:20:01 AM 3 47.54 0.00 1.15 0.23 0.10 50.97 05:20:01 AM 4 39.68 0.00 1.89 1.77 0.10 56.56 05:20:01 AM 5 21.24 0.00 1.00 2.12 0.12 75.51 05:20:01 AM 6 36.85 0.00 1.34 0.40 0.10 61.31 05:20:01 AM 7 40.62 0.00 1.16 0.27 0.10 57.86 05:21:01 AM all 33.48 0.00 1.56 0.30 0.08 64.58 05:21:01 AM 0 29.42 0.00 1.18 0.10 0.08 69.21 05:21:01 AM 1 32.24 0.00 1.52 0.37 0.08 65.79 05:21:01 AM 2 30.15 0.00 1.45 0.38 0.08 67.93 05:21:01 AM 3 40.90 0.00 2.11 0.38 0.08 56.52 05:21:01 AM 4 45.04 0.00 1.84 0.38 0.08 52.65 05:21:01 AM 5 33.00 0.00 1.24 0.15 0.08 65.53 05:21:01 AM 6 32.68 0.00 1.57 0.40 0.08 65.27 05:21:01 AM 7 24.38 0.00 1.55 0.22 0.08 73.77 Average: all 26.20 0.00 1.33 0.54 0.08 71.84 Average: 0 26.29 0.00 1.29 0.27 0.08 72.07 Average: 1 25.28 0.00 1.76 0.55 0.08 72.33 Average: 2 28.47 0.00 1.50 0.79 0.08 69.16 Average: 3 32.20 0.00 1.44 0.47 0.07 65.83 Average: 4 29.57 0.00 1.47 0.94 0.08 67.94 Average: 5 18.23 0.00 0.85 0.81 0.09 80.01 Average: 6 27.65 0.00 1.39 0.37 0.07 70.52 Average: 7 21.92 0.00 0.96 0.16 0.07 76.88