---> uname -a: Linux prd-centos8-docker-4c-4g-15186.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1017 10816 20 3927 14393 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:c0:46:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.145/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fec0:462f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2f:ff:77:0d 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::42:2fff:feff:770d/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) 08/26/2026 _x86_64_ (4 CPU) 00:17:54 LINUX RESTART (4 CPU) 12:18:01 AM tps rtps wtps bread/s bwrtn/s 12:19:01 AM 310.70 121.46 189.24 13739.45 42795.23 12:20:01 AM 244.55 5.73 238.82 732.16 16594.17 12:21:01 AM 221.77 2.03 219.74 497.62 34035.83 12:22:01 AM 984.57 95.12 889.45 1697.98 24446.38 Average: 440.37 56.08 384.28 4166.75 29468.30 12:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:19:01 AM 13351920 15107448 2787396 17.27 2688 1972572 1131452 6.58 139120 2293664 166800 12:20:01 AM 11742316 13952852 4397000 27.24 2688 2413780 2252224 13.10 194228 3784224 177176 12:21:01 AM 10488224 13939148 5651092 35.01 2688 3531640 1914520 11.14 353188 4620444 400952 12:22:01 AM 8954400 12552980 7184916 44.52 2688 3589240 2015512 11.73 403392 5868756 8 Average: 11134215 13888107 5005101 31.01 2688 2876808 1828427 10.64 272482 4141772 186234 12:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:19:01 AM eth0 382.06 205.70 1797.37 70.56 0.00 0.00 0.00 0.00 12:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 AM eth0 330.59 245.48 3884.05 38.50 0.00 0.00 0.00 0.00 12:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:21:01 AM lo 6.28 6.28 4.58 4.58 0.00 0.00 0.00 0.00 12:21:01 AM eth0 378.26 217.92 4084.66 34.47 0.00 0.00 0.00 0.00 12:21:01 AM docker0 3.40 3.28 4.09 0.46 0.00 0.00 0.00 0.00 12:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:22:01 AM eth0 4.35 2.93 58.74 1.04 0.00 0.00 0.00 0.00 12:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.57 1.57 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 273.83 168.02 2456.37 36.14 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.82 1.02 0.12 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) 08/26/2026 _x86_64_ (4 CPU) 00:17:54 LINUX RESTART (4 CPU) 12:18:01 AM CPU %user %nice %system %iowait %steal %idle 12:19:01 AM all 24.55 0.00 4.15 6.13 0.09 65.09 12:19:01 AM 0 27.90 0.00 4.73 3.29 0.10 63.98 12:19:01 AM 1 32.99 0.00 4.55 1.91 0.08 60.47 12:19:01 AM 2 21.28 0.00 3.67 13.17 0.10 61.77 12:19:01 AM 3 16.01 0.00 3.63 6.15 0.07 74.15 12:20:01 AM all 33.09 0.00 2.35 1.53 0.10 62.93 12:20:01 AM 0 24.20 0.00 1.97 1.44 0.10 72.29 12:20:01 AM 1 37.10 0.00 2.39 1.00 0.10 59.41 12:20:01 AM 2 41.77 0.00 2.96 1.67 0.10 53.49 12:20:01 AM 3 29.30 0.00 2.08 1.99 0.10 66.53 12:21:01 AM all 39.59 0.09 8.07 1.55 0.13 50.57 12:21:01 AM 0 37.15 0.12 9.29 4.00 0.12 49.32 12:21:01 AM 1 42.16 0.15 7.85 1.05 0.14 48.64 12:21:01 AM 2 48.71 0.05 7.87 0.51 0.14 42.73 12:21:01 AM 3 30.31 0.05 7.26 0.66 0.12 61.60 12:22:01 AM all 32.22 0.00 4.92 10.15 0.11 52.61 12:22:01 AM 0 18.90 0.00 5.01 10.33 0.10 65.66 12:22:01 AM 1 33.88 0.00 4.71 11.83 0.10 49.48 12:22:01 AM 2 56.47 0.00 5.27 7.75 0.12 30.39 12:22:01 AM 3 19.68 0.00 4.68 10.67 0.12 64.85 Average: all 32.34 0.02 4.86 4.84 0.11 57.83 Average: 0 27.01 0.03 5.24 4.76 0.11 62.86 Average: 1 36.52 0.04 4.86 3.94 0.11 54.53 Average: 2 42.03 0.01 4.94 5.78 0.11 47.13 Average: 3 23.81 0.01 4.40 4.87 0.10 66.80