---> uname -a: Linux prd-centos8-docker-8c-8g-5298.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: 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: 31888 997 28285 19 2604 30438 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:79:40:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.53/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe79:4045/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:e7:ab: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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/05/2026 _x86_64_ (8 CPU) 05:18:05 LINUX RESTART (8 CPU) 05:19:02 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 164.77 2.88 161.89 369.97 16080.29 05:21:01 AM 156.16 2.50 153.67 950.35 5485.25 05:22:01 AM 77.07 2.88 74.19 131.31 6360.17 Average: 132.49 2.75 129.74 484.54 9270.54 05:19:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28563212 30486780 4090160 12.53 2688 2237564 2241896 6.65 167680 3442844 36540 05:21:01 AM 27041240 29196516 5612132 17.19 2688 2462000 3443900 10.22 231996 4868192 111484 05:22:01 AM 28957356 31161360 3696016 11.32 2688 2508476 1425404 4.23 424188 2762232 24268 Average: 28187269 30281552 4466103 13.68 2688 2402680 2370400 7.03 274621 3691089 57431 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 193.97 165.68 1600.07 51.74 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 240.20 204.60 2337.89 42.28 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 165.99 162.47 357.53 171.35 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 200.09 177.65 1430.94 88.66 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) 07/05/2026 _x86_64_ (8 CPU) 05:18:05 LINUX RESTART (8 CPU) 05:19:02 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 16.16 0.00 1.27 0.92 0.06 81.60 05:20:01 AM 0 19.87 0.00 0.46 0.32 0.07 79.28 05:20:01 AM 1 5.57 0.00 1.00 1.27 0.03 92.12 05:20:01 AM 2 20.20 0.00 1.43 0.61 0.07 77.69 05:20:01 AM 3 26.45 0.00 2.01 1.22 0.07 70.26 05:20:01 AM 4 15.42 0.00 1.43 1.17 0.07 81.92 05:20:01 AM 5 10.04 0.00 1.24 0.80 0.05 87.87 05:20:01 AM 6 19.68 0.00 1.26 0.99 0.07 78.00 05:20:01 AM 7 12.07 0.00 1.31 0.93 0.05 85.64 05:21:01 AM all 42.52 0.00 1.46 0.43 0.09 55.48 05:21:01 AM 0 46.71 0.00 1.54 0.48 0.10 51.17 05:21:01 AM 1 39.91 0.00 1.15 0.08 0.10 58.76 05:21:01 AM 2 50.54 0.00 1.92 0.97 0.10 46.46 05:21:01 AM 3 45.98 0.00 1.45 0.33 0.10 52.13 05:21:01 AM 4 43.50 0.00 1.30 0.65 0.08 54.46 05:21:01 AM 5 47.10 0.00 1.44 0.23 0.08 51.14 05:21:01 AM 6 36.63 0.00 1.44 0.45 0.08 61.40 05:21:01 AM 7 29.82 0.00 1.47 0.27 0.08 68.36 05:22:01 AM all 21.93 0.00 1.35 0.27 0.06 76.39 05:22:01 AM 0 24.19 0.00 1.45 0.10 0.05 74.20 05:22:01 AM 1 21.14 0.00 1.66 0.49 0.07 76.65 05:22:01 AM 2 13.94 0.00 1.04 0.27 0.07 84.69 05:22:01 AM 3 28.12 0.00 1.54 0.23 0.08 70.03 05:22:01 AM 4 26.64 0.00 1.45 0.12 0.05 71.75 05:22:01 AM 5 20.93 0.00 1.32 0.17 0.07 77.52 05:22:01 AM 6 17.20 0.00 0.84 0.00 0.05 81.92 05:22:01 AM 7 23.28 0.00 1.47 0.80 0.05 74.39 Average: all 26.93 0.00 1.36 0.54 0.07 71.10 Average: 0 30.32 0.00 1.15 0.30 0.07 68.16 Average: 1 22.31 0.00 1.27 0.61 0.07 75.75 Average: 2 28.27 0.00 1.46 0.62 0.08 69.57 Average: 3 33.55 0.00 1.66 0.59 0.08 64.10 Average: 4 28.59 0.00 1.39 0.64 0.07 69.31 Average: 5 26.12 0.00 1.33 0.40 0.07 72.08 Average: 6 24.52 0.00 1.18 0.48 0.07 73.75 Average: 7 21.78 0.00 1.42 0.67 0.06 76.08