---> uname -a: Linux prd-centos8-docker-8c-8g-12635.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1079 26364 19 4444 30340 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:7e:8a:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.142/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe7e:8a35/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:33:12:b9:69 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 inet6 fe80::42:33ff:fe12:b969/64 scope link 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) 07/27/2026 _x86_64_ (8 CPU) 02:28:59 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 284.67 17.21 267.46 3742.75 16862.75 02:32:01 AM 83.37 3.43 79.94 569.05 20693.34 02:33:02 AM 139.65 16.19 123.46 5548.42 28356.16 Average: 169.23 12.28 156.95 3286.59 21970.68 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28306212 30623812 4347152 13.31 2688 2628084 1848184 5.48 213304 3639344 310952 02:32:01 AM 26353996 29643136 6299368 19.29 2688 3587168 2735080 8.12 272768 5483848 656788 02:33:02 AM 27052068 31121860 5601296 17.15 2688 4357644 1509740 4.48 735436 4294260 732116 Average: 27237425 30462936 5415939 16.59 2688 3524299 2031001 6.03 407169 4472484 566619 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 495.07 365.94 6077.94 67.35 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1647.11 406.33 7221.49 32.78 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:02 AM lo 11.78 11.78 1.26 1.26 0.00 0.00 0.00 0.00 02:33:02 AM eth0 149.60 147.72 1386.71 1254.01 0.00 0.00 0.00 0.00 02:33:02 AM docker0 4.27 5.33 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 763.98 306.67 4895.51 451.36 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.78 0.20 0.21 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) 07/27/2026 _x86_64_ (8 CPU) 02:28:59 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 18.06 0.00 1.73 1.03 0.08 79.10 02:31:01 AM 0 12.44 0.00 1.69 0.97 0.07 84.84 02:31:01 AM 1 15.30 0.00 1.74 2.09 0.07 80.81 02:31:01 AM 2 19.98 0.00 1.67 1.14 0.08 77.13 02:31:01 AM 3 19.82 0.00 2.08 1.27 0.08 76.75 02:31:01 AM 4 29.85 0.00 3.11 0.90 0.10 66.03 02:31:01 AM 5 16.11 0.00 1.37 0.70 0.07 81.75 02:31:01 AM 6 17.05 0.00 1.04 0.92 0.07 80.92 02:31:01 AM 7 13.95 0.00 1.17 0.23 0.07 84.58 02:32:01 AM all 24.15 0.00 1.83 0.32 0.10 73.61 02:32:01 AM 0 27.84 0.00 1.56 0.00 0.10 70.50 02:32:01 AM 1 31.25 0.00 2.10 0.34 0.12 66.19 02:32:01 AM 2 26.20 0.00 1.95 0.40 0.10 71.35 02:32:01 AM 3 15.50 0.00 1.31 0.25 0.08 82.86 02:32:01 AM 4 16.62 0.00 1.63 0.98 0.07 80.71 02:32:01 AM 5 29.62 0.00 1.83 0.39 0.10 68.05 02:32:01 AM 6 24.16 0.00 1.70 0.05 0.10 73.99 02:32:01 AM 7 22.05 0.00 2.51 0.13 0.10 75.20 02:33:02 AM all 21.70 0.27 2.59 0.70 0.08 74.66 02:33:02 AM 0 15.79 0.08 2.31 0.17 0.07 81.57 02:33:02 AM 1 17.42 0.03 2.47 0.89 0.08 79.10 02:33:02 AM 2 17.43 0.02 2.60 1.02 0.08 78.84 02:33:02 AM 3 28.34 0.05 3.00 0.49 0.10 68.01 02:33:02 AM 4 21.98 0.03 2.45 0.07 0.08 75.39 02:33:02 AM 5 28.60 0.00 2.67 0.84 0.08 67.82 02:33:02 AM 6 25.66 1.64 2.53 1.26 0.08 68.82 02:33:02 AM 7 18.39 0.30 2.68 0.84 0.07 77.72 Average: all 21.30 0.09 2.05 0.68 0.08 75.79 Average: 0 18.68 0.03 1.86 0.38 0.08 78.98 Average: 1 21.31 0.01 2.10 1.11 0.09 75.38 Average: 2 21.20 0.01 2.08 0.86 0.09 75.78 Average: 3 21.22 0.02 2.13 0.67 0.09 75.87 Average: 4 22.83 0.01 2.40 0.65 0.08 74.03 Average: 5 24.77 0.00 1.96 0.64 0.08 72.55 Average: 6 22.28 0.55 1.76 0.74 0.08 74.58 Average: 7 18.12 0.10 2.12 0.40 0.08 79.18