---> uname -a: Linux prd-centos8-docker-8c-8g-14092.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: 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): 0-7 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 1037 28242 19 2608 30399 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:89:75:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.132/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe89:757b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ed:29:ff:03 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) 08/21/2026 _x86_64_ (8 CPU) 05:18:17 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 135.95 2.03 133.92 307.90 10777.04 05:21:01 AM 204.07 3.38 200.68 997.80 12364.26 05:22:01 AM 69.39 1.18 68.21 82.91 6065.03 Average: 136.47 2.20 134.27 462.87 9735.44 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28513684 30419116 4139688 12.68 2688 2220944 2713004 8.05 160260 3509264 224528 05:21:01 AM 27222928 29331912 5430444 16.63 2688 2416564 3082288 9.15 223184 4699968 83744 05:22:01 AM 28946824 31155948 3706548 11.35 2688 2513584 1423332 4.22 420524 2774748 49196 Average: 28227812 30302325 4425560 13.55 2688 2383697 2406208 7.14 267989 3661327 119156 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 197.07 153.65 1957.23 45.32 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 224.33 199.70 2144.08 40.01 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 185.07 179.94 816.01 172.37 0.00 0.00 0.00 0.00 05:22:01 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 202.15 177.76 1639.11 85.90 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) 08/21/2026 _x86_64_ (8 CPU) 05:18:17 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 12.80 0.00 1.23 0.48 0.05 85.43 05:20:01 AM 0 3.65 0.00 0.72 0.17 0.05 95.42 05:20:01 AM 1 9.07 0.00 1.24 0.45 0.07 89.17 05:20:01 AM 2 20.80 0.00 2.09 0.67 0.07 76.38 05:20:01 AM 3 12.20 0.00 0.70 0.47 0.05 86.58 05:20:01 AM 4 17.95 0.00 1.30 0.42 0.05 80.28 05:20:01 AM 5 19.90 0.00 1.57 0.53 0.05 77.95 05:20:01 AM 6 10.26 0.00 1.69 0.37 0.05 87.64 05:20:01 AM 7 8.55 0.00 0.57 0.77 0.05 90.06 05:21:01 AM all 40.02 0.00 1.84 0.78 0.09 57.28 05:21:01 AM 0 26.45 0.00 1.42 0.22 0.08 71.83 05:21:01 AM 1 39.83 0.00 1.86 1.41 0.10 56.81 05:21:01 AM 2 36.32 0.00 2.18 1.74 0.08 59.68 05:21:01 AM 3 47.14 0.00 2.22 0.90 0.10 49.63 05:21:01 AM 4 41.43 0.00 2.32 0.94 0.10 55.21 05:21:01 AM 5 42.83 0.00 1.66 0.60 0.10 54.81 05:21:01 AM 6 38.49 0.00 1.57 0.08 0.07 59.79 05:21:01 AM 7 47.66 0.00 1.47 0.32 0.08 50.47 05:22:01 AM all 32.07 0.00 1.67 0.19 0.08 65.99 05:22:01 AM 0 27.04 0.00 1.84 0.25 0.08 70.79 05:22:01 AM 1 37.04 0.00 2.01 0.20 0.08 60.67 05:22:01 AM 2 34.96 0.00 2.14 0.35 0.08 62.46 05:22:01 AM 3 29.61 0.00 1.32 0.00 0.07 69.00 05:22:01 AM 4 28.31 0.00 1.29 0.15 0.08 70.17 05:22:01 AM 5 32.80 0.00 1.46 0.15 0.08 65.51 05:22:01 AM 6 30.58 0.00 1.81 0.32 0.08 67.21 05:22:01 AM 7 36.21 0.00 1.54 0.10 0.08 62.07 Average: all 28.29 0.00 1.58 0.48 0.08 69.57 Average: 0 19.04 0.00 1.32 0.21 0.07 79.36 Average: 1 28.65 0.00 1.70 0.69 0.08 68.88 Average: 2 30.69 0.00 2.13 0.92 0.08 66.18 Average: 3 29.64 0.00 1.41 0.46 0.07 68.41 Average: 4 29.22 0.00 1.64 0.50 0.08 68.56 Average: 5 31.83 0.00 1.56 0.43 0.08 66.10 Average: 6 26.45 0.00 1.69 0.26 0.07 71.54 Average: 7 30.82 0.00 1.19 0.40 0.07 67.52