---> uname -a: Linux prd-centos8-docker-8c-8g-3411.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 1032 28250 19 2604 30403 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:58:4f:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.39/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe58:4f10/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:93:51:64:ff 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) 06/29/2026 _x86_64_ (8 CPU) 05:18:01 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 178.85 2.86 175.98 364.29 15604.08 05:21:01 AM 129.59 2.53 127.05 940.73 5277.71 05:22:01 AM 72.56 2.82 69.75 130.07 6148.59 Average: 127.00 2.74 124.26 478.36 9010.49 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28310832 30255388 4342540 13.30 2688 2257376 2782892 8.26 169320 3688388 54440 05:21:01 AM 27029320 29188216 5624052 17.22 2688 2465388 3522508 10.45 233168 4879404 109424 05:22:01 AM 28964972 31169528 3688400 11.30 2688 2508696 1439184 4.27 431784 2745896 24420 Average: 28101708 30204377 4551664 13.94 2688 2410487 2581528 7.66 278091 3771229 62761 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 247.65 201.48 1746.36 59.38 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 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 194.34 167.90 2041.08 31.54 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 180.03 180.54 362.83 176.63 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 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 207.34 183.31 1383.44 89.18 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) 06/29/2026 _x86_64_ (8 CPU) 05:18:01 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 15.93 0.00 1.26 0.53 0.06 82.22 05:20:01 AM 0 13.98 0.00 0.85 0.35 0.07 84.75 05:20:01 AM 1 17.24 0.00 1.29 0.62 0.07 80.79 05:20:01 AM 2 17.38 0.00 1.17 0.30 0.07 81.09 05:20:01 AM 3 14.47 0.00 1.15 0.67 0.08 83.62 05:20:01 AM 4 23.42 0.00 2.43 0.89 0.07 73.21 05:20:01 AM 5 15.57 0.00 0.82 0.43 0.05 83.12 05:20:01 AM 6 21.34 0.00 1.62 0.53 0.05 76.46 05:20:01 AM 7 4.00 0.00 0.74 0.49 0.05 94.73 05:21:01 AM all 45.13 0.00 1.52 0.27 0.09 52.98 05:21:01 AM 0 49.93 0.00 2.26 0.23 0.08 47.49 05:21:01 AM 1 46.41 0.00 1.22 0.17 0.08 52.12 05:21:01 AM 2 37.78 0.00 1.54 0.35 0.08 60.25 05:21:01 AM 3 42.59 0.00 1.60 0.35 0.10 55.36 05:21:01 AM 4 44.24 0.00 1.49 0.07 0.10 54.11 05:21:01 AM 5 43.77 0.00 1.20 0.03 0.08 54.91 05:21:01 AM 6 51.11 0.00 1.04 0.32 0.08 47.45 05:21:01 AM 7 45.25 0.00 1.86 0.62 0.10 52.17 05:22:01 AM all 20.13 0.00 1.37 0.15 0.07 78.28 05:22:01 AM 0 11.45 0.00 0.78 0.00 0.07 87.70 05:22:01 AM 1 43.38 0.00 2.44 0.27 0.08 53.83 05:22:01 AM 2 19.33 0.00 1.14 0.22 0.07 79.24 05:22:01 AM 3 18.47 0.00 1.07 0.23 0.05 80.18 05:22:01 AM 4 18.75 0.00 1.47 0.27 0.05 79.46 05:22:01 AM 5 14.97 0.00 1.34 0.08 0.07 83.54 05:22:01 AM 6 23.52 0.00 1.47 0.02 0.07 74.92 05:22:01 AM 7 11.16 0.00 1.22 0.13 0.10 87.38 Average: all 27.06 0.00 1.38 0.32 0.07 71.16 Average: 0 25.11 0.00 1.30 0.19 0.07 73.32 Average: 1 35.69 0.00 1.65 0.35 0.08 62.23 Average: 2 24.83 0.00 1.28 0.29 0.07 73.53 Average: 3 25.18 0.00 1.28 0.42 0.08 73.05 Average: 4 28.80 0.00 1.79 0.41 0.07 68.92 Average: 5 24.77 0.00 1.12 0.18 0.07 73.86 Average: 6 31.98 0.00 1.38 0.29 0.07 66.29 Average: 7 20.14 0.00 1.27 0.41 0.08 78.09