---> uname -a: Linux prd-centos8-docker-8c-8g-13763.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 1003 28274 19 2609 30433 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:3e:38:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.99/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe3e:38b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:91:f2:ab:48 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) 08/20/2026 _x86_64_ (8 CPU) 05:19:09 LINUX RESTART (8 CPU) 05:20:01 AM tps rtps wtps bread/s bwrtn/s 05:21:01 AM 102.72 2.02 100.70 323.89 7478.04 05:22:01 AM 199.82 2.10 197.72 625.10 14785.55 05:23:01 AM 98.25 1.63 96.62 393.87 7319.09 Average: 133.59 1.92 131.67 447.61 9860.62 05:20:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:21:01 AM 29387712 31273524 3265660 10.00 2688 2202864 1434944 4.26 149320 2666108 337508 05:22:01 AM 27647776 29682320 5005596 15.33 2688 2344796 2949432 8.75 210120 4299276 81696 05:23:01 AM 28985552 31185856 3667820 11.23 2688 2505400 1474152 4.37 242664 2914044 51452 Average: 28673680 30713900 3979692 12.19 2688 2351020 1952843 5.79 200701 3293143 156885 05:20:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 125.94 82.47 1844.97 23.35 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:22:01 AM eth0 236.89 218.90 1665.14 47.89 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 05:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM eth0 184.14 153.70 1569.59 36.23 0.00 0.00 0.00 0.00 05:23:01 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 182.32 151.69 1693.24 35.83 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) 08/20/2026 _x86_64_ (8 CPU) 05:19:09 LINUX RESTART (8 CPU) 05:20:01 AM CPU %user %nice %system %iowait %steal %idle 05:21:01 AM all 9.52 0.00 0.86 0.56 0.04 89.02 05:21:01 AM 0 5.94 0.00 0.57 0.18 0.05 93.26 05:21:01 AM 1 3.41 0.00 0.44 0.60 0.03 95.52 05:21:01 AM 2 13.64 0.00 1.50 0.73 0.03 84.08 05:21:01 AM 3 13.23 0.00 1.02 1.07 0.03 84.65 05:21:01 AM 4 9.13 0.00 0.72 0.80 0.03 89.31 05:21:01 AM 5 22.20 0.00 1.58 0.40 0.07 75.75 05:21:01 AM 6 7.92 0.00 0.70 0.40 0.03 90.95 05:21:01 AM 7 0.67 0.00 0.33 0.30 0.05 98.65 05:22:01 AM all 30.07 0.00 1.47 1.33 0.08 67.05 05:22:01 AM 0 28.39 0.00 1.70 0.50 0.08 69.32 05:22:01 AM 1 28.63 0.00 1.77 2.81 0.10 66.68 05:22:01 AM 2 33.94 0.00 1.60 4.13 0.10 60.23 05:22:01 AM 3 30.68 0.00 1.12 0.30 0.08 67.81 05:22:01 AM 4 37.74 0.00 0.95 0.17 0.08 61.06 05:22:01 AM 5 27.16 0.00 1.98 0.74 0.08 70.05 05:22:01 AM 6 11.14 0.00 1.25 1.27 0.05 86.29 05:22:01 AM 7 42.88 0.00 1.35 0.73 0.08 54.95 05:23:01 AM all 39.66 0.00 1.67 0.50 0.09 58.08 05:23:01 AM 0 30.69 0.00 1.14 0.47 0.08 67.62 05:23:01 AM 1 38.14 0.00 1.69 0.40 0.08 59.68 05:23:01 AM 2 44.46 0.00 1.65 0.75 0.10 53.03 05:23:01 AM 3 42.38 0.00 1.82 0.08 0.08 55.63 05:23:01 AM 4 34.19 0.00 1.24 0.47 0.08 64.03 05:23:01 AM 5 39.10 0.00 2.14 0.40 0.08 58.27 05:23:01 AM 6 45.59 0.00 1.84 0.77 0.10 51.71 05:23:01 AM 7 42.74 0.00 1.82 0.65 0.08 54.70 Average: all 26.41 0.00 1.33 0.80 0.07 71.39 Average: 0 21.67 0.00 1.14 0.38 0.07 76.74 Average: 1 23.40 0.00 1.30 1.27 0.07 73.96 Average: 2 30.68 0.00 1.59 1.87 0.08 65.78 Average: 3 28.76 0.00 1.32 0.48 0.07 69.36 Average: 4 27.02 0.00 0.97 0.48 0.07 71.47 Average: 5 29.48 0.00 1.90 0.51 0.08 68.03 Average: 6 21.53 0.00 1.26 0.81 0.06 76.33 Average: 7 28.76 0.00 1.17 0.56 0.07 69.43