---> uname -a: Linux prd-centos8-docker-8c-8g-18637.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 1024 28262 19 2600 30411 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:98:12:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.217/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe98:1241/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:12:14:5e:a4 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) 06/21/2026 _x86_64_ (8 CPU) 05:17:27 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 139.51 1.85 137.66 319.57 10420.77 05:20:01 AM 184.24 2.37 181.87 630.32 11879.36 05:21:01 AM 101.63 1.63 100.00 393.87 7369.93 Average: 141.79 1.95 139.85 447.91 9890.05 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29367348 31244068 3286024 10.06 2688 2193788 1369612 4.06 148344 2680588 246720 05:20:01 AM 27593532 29622608 5059840 15.50 2688 2339000 2821928 8.37 209800 4355880 77732 05:21:01 AM 28956696 31145880 3696676 11.32 2688 2494136 1461436 4.34 241636 2944456 48828 Average: 28639192 30670852 4014180 12.29 2688 2342308 1884325 5.59 199927 3326975 124427 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 131.88 96.72 1733.57 33.03 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 234.06 214.83 1655.50 48.12 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 189.84 154.37 1556.96 37.32 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 185.26 155.30 1648.68 39.49 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) 06/21/2026 _x86_64_ (8 CPU) 05:17:27 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 9.11 0.00 1.07 0.34 0.06 89.43 05:19:01 AM 0 2.81 0.00 0.42 0.40 0.07 96.31 05:19:01 AM 1 8.19 0.00 1.25 0.64 0.08 89.84 05:19:01 AM 2 15.36 0.00 1.84 0.60 0.07 82.14 05:19:01 AM 3 21.60 0.00 2.04 0.35 0.05 75.96 05:19:01 AM 4 9.59 0.00 0.97 0.07 0.05 89.33 05:19:01 AM 5 5.79 0.00 0.67 0.22 0.03 93.30 05:19:01 AM 6 7.21 0.00 0.80 0.22 0.02 91.75 05:19:01 AM 7 2.31 0.00 0.55 0.23 0.08 96.82 05:20:01 AM all 34.99 0.00 1.67 0.55 0.08 62.70 05:20:01 AM 0 26.01 0.00 1.25 0.65 0.08 72.00 05:20:01 AM 1 34.18 0.00 2.49 1.14 0.08 62.11 05:20:01 AM 2 43.45 0.00 2.54 1.07 0.08 52.85 05:20:01 AM 3 40.27 0.00 1.92 0.18 0.08 57.54 05:20:01 AM 4 27.67 0.00 1.00 0.07 0.08 71.18 05:20:01 AM 5 35.36 0.00 1.27 0.62 0.08 62.67 05:20:01 AM 6 37.47 0.00 1.67 0.47 0.08 60.30 05:20:01 AM 7 35.54 0.00 1.20 0.18 0.08 62.98 05:21:01 AM all 39.06 0.00 1.85 0.24 0.08 58.77 05:21:01 AM 0 35.97 0.00 1.50 0.05 0.08 62.39 05:21:01 AM 1 33.94 0.00 1.69 0.67 0.08 63.62 05:21:01 AM 2 35.42 0.00 1.62 0.07 0.08 62.81 05:21:01 AM 3 45.01 0.00 2.71 0.30 0.10 51.88 05:21:01 AM 4 36.58 0.00 1.84 0.27 0.10 61.21 05:21:01 AM 5 41.73 0.00 1.59 0.13 0.07 56.48 05:21:01 AM 6 36.44 0.00 2.04 0.25 0.08 61.19 05:21:01 AM 7 47.34 0.00 1.79 0.22 0.07 50.59 Average: all 27.71 0.00 1.53 0.38 0.07 70.31 Average: 0 21.60 0.00 1.06 0.37 0.08 76.90 Average: 1 25.43 0.00 1.81 0.81 0.08 71.86 Average: 2 31.40 0.00 2.00 0.58 0.08 65.94 Average: 3 35.62 0.00 2.22 0.28 0.08 61.80 Average: 4 24.60 0.00 1.27 0.13 0.08 73.92 Average: 5 27.61 0.00 1.17 0.32 0.06 70.83 Average: 6 27.03 0.00 1.50 0.31 0.06 71.09 Average: 7 28.40 0.00 1.18 0.21 0.08 70.13