---> uname -a: Linux prd-centos8-docker-8c-8g-24992.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 31890 1028 28393 19 2468 30413 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:a9:61:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.178/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fea9:61c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b0:b2:36:1b 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/26/2026 _x86_64_ (8 CPU) 05:18:20 LINUX RESTART (8 CPU) 05:19:02 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 151.04 2.86 148.18 347.33 9876.65 05:21:01 AM 200.58 2.55 198.03 951.42 9791.34 05:22:01 AM 74.09 0.90 73.19 42.39 6382.20 Average: 141.86 2.10 139.76 447.63 8676.79 05:19:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28315364 30095452 4340340 13.29 2688 2098188 2780956 8.25 155780 3717996 130948 05:21:01 AM 27397740 29409908 5257964 16.10 2688 2322444 3034468 9.00 224172 4537244 111680 05:22:01 AM 29033596 31100296 3622108 11.09 2688 2373768 1515456 4.50 411832 2710432 28120 Average: 28248900 30201885 4406804 13.49 2688 2264800 2443627 7.25 263928 3655224 90249 05:19:02 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 190.37 157.53 1586.92 47.42 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 279.47 233.02 2447.09 46.12 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 167.87 163.66 344.92 170.74 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 212.70 184.89 1458.99 88.32 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/26/2026 _x86_64_ (8 CPU) 05:18:20 LINUX RESTART (8 CPU) 05:19:02 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 12.80 0.00 1.18 0.60 0.06 85.37 05:20:01 AM 0 6.20 0.00 0.75 0.27 0.08 92.70 05:20:01 AM 1 14.82 0.00 1.51 1.12 0.07 82.47 05:20:01 AM 2 21.82 0.00 2.14 0.66 0.07 75.31 05:20:01 AM 3 6.06 0.00 0.66 0.70 0.03 92.55 05:20:01 AM 4 21.46 0.00 2.18 0.49 0.07 75.80 05:20:01 AM 5 11.75 0.00 0.81 0.70 0.02 86.73 05:20:01 AM 6 9.37 0.00 0.63 0.12 0.03 89.85 05:20:01 AM 7 10.90 0.00 0.75 0.73 0.09 87.53 05:21:01 AM all 41.65 0.00 1.51 0.87 0.10 55.86 05:21:01 AM 0 26.80 0.00 0.92 0.47 0.10 71.72 05:21:01 AM 1 43.60 0.00 1.51 1.37 0.10 53.42 05:21:01 AM 2 44.96 0.00 1.82 1.14 0.12 51.97 05:21:01 AM 3 46.91 0.00 1.89 0.55 0.12 50.53 05:21:01 AM 4 49.52 0.00 1.59 1.12 0.10 47.67 05:21:01 AM 5 53.23 0.00 1.39 0.57 0.10 44.72 05:21:01 AM 6 36.35 0.00 1.84 1.56 0.10 60.15 05:21:01 AM 7 31.84 0.00 1.17 0.17 0.07 66.75 05:22:01 AM all 26.60 0.00 1.39 0.43 0.08 71.49 05:22:01 AM 0 17.51 0.00 0.95 0.07 0.08 81.39 05:22:01 AM 1 21.03 0.00 1.27 0.62 0.08 76.99 05:22:01 AM 2 28.87 0.00 1.23 0.18 0.07 69.65 05:22:01 AM 3 27.66 0.00 1.67 0.99 0.08 69.60 05:22:01 AM 4 32.88 0.00 1.84 0.27 0.08 64.93 05:22:01 AM 5 27.10 0.00 1.59 0.97 0.08 70.26 05:22:01 AM 6 24.99 0.00 0.98 0.27 0.08 73.68 05:22:01 AM 7 32.81 0.00 1.62 0.12 0.08 65.37 Average: all 27.09 0.00 1.36 0.63 0.08 70.83 Average: 0 16.90 0.00 0.87 0.27 0.09 81.87 Average: 1 26.55 0.00 1.43 1.04 0.08 70.90 Average: 2 31.93 0.00 1.73 0.66 0.08 65.60 Average: 3 26.99 0.00 1.41 0.75 0.08 70.78 Average: 4 34.71 0.00 1.86 0.63 0.08 62.72 Average: 5 30.79 0.00 1.26 0.74 0.07 67.14 Average: 6 23.64 0.00 1.15 0.65 0.07 74.49 Average: 7 25.27 0.00 1.18 0.34 0.08 73.13