---> uname -a: Linux prd-centos8-docker-8c-8g-2242.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 1045 28242 19 2600 30391 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:73:4f:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe73:4f71/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b5:18:29:4c 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) 05/22/2026 _x86_64_ (8 CPU) 05:17:59 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 175.37 2.66 172.70 359.76 16241.31 05:21:02 AM 158.32 2.55 155.77 951.57 5383.64 05:22:01 AM 83.21 2.83 80.38 131.89 6520.65 Average: 139.28 2.68 136.60 482.98 9398.83 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28591080 30509508 4062292 12.44 2688 2232684 2338404 6.94 168108 3416004 35560 05:21:02 AM 26934292 29085372 5719080 17.51 2688 2457992 3627660 10.76 232264 4973560 113764 05:22:01 AM 28907820 31108452 3745552 11.47 2688 2504616 1479120 4.39 423952 2810896 28424 Average: 28144397 30234444 4508975 13.81 2688 2398431 2481728 7.36 274775 3733487 59249 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 182.64 153.63 1532.71 50.89 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 05:21:02 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:02 AM eth0 212.16 188.74 2339.39 36.86 0.00 0.00 0.00 0.00 05:21:02 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 171.59 168.15 360.68 176.31 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 188.89 170.18 1416.75 87.52 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) 05/22/2026 _x86_64_ (8 CPU) 05:17:59 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 15.41 0.00 1.39 0.76 0.07 82.36 05:20:01 AM 0 10.59 0.00 0.83 0.58 0.07 87.92 05:20:01 AM 1 10.25 0.00 1.51 1.96 0.08 86.20 05:20:01 AM 2 11.82 0.00 1.77 0.94 0.07 85.40 05:20:01 AM 3 17.30 0.00 1.25 0.55 0.07 80.83 05:20:01 AM 4 12.10 0.00 0.80 0.25 0.05 86.80 05:20:01 AM 5 30.04 0.00 3.04 0.69 0.08 66.15 05:20:01 AM 6 21.49 0.00 1.00 0.37 0.07 77.08 05:20:01 AM 7 9.70 0.00 0.94 0.79 0.07 88.52 05:21:02 AM all 42.81 0.00 1.57 0.33 0.09 55.20 05:21:02 AM 0 33.46 0.00 1.52 0.48 0.08 64.45 05:21:02 AM 1 42.09 0.00 1.25 0.35 0.08 56.22 05:21:02 AM 2 38.02 0.00 2.24 0.38 0.10 59.25 05:21:02 AM 3 46.53 0.00 1.72 0.57 0.10 51.09 05:21:02 AM 4 40.96 0.00 1.74 0.32 0.08 56.90 05:21:02 AM 5 50.74 0.00 1.39 0.05 0.10 47.72 05:21:02 AM 6 50.62 0.00 1.60 0.42 0.08 47.28 05:21:02 AM 7 40.02 0.00 1.14 0.10 0.08 58.66 05:22:01 AM all 23.51 0.00 1.41 0.22 0.08 74.78 05:22:01 AM 0 25.84 0.00 1.51 0.10 0.08 72.46 05:22:01 AM 1 18.27 0.00 1.34 0.10 0.08 80.20 05:22:01 AM 2 29.16 0.00 1.63 0.31 0.07 68.84 05:22:01 AM 3 30.66 0.00 1.61 0.27 0.07 67.39 05:22:01 AM 4 15.20 0.00 1.26 0.65 0.09 82.81 05:22:01 AM 5 21.35 0.00 0.99 0.08 0.07 77.52 05:22:01 AM 6 27.46 0.00 1.89 0.15 0.10 70.40 05:22:01 AM 7 20.14 0.00 1.04 0.08 0.07 78.67 Average: all 27.26 0.00 1.46 0.44 0.08 70.76 Average: 0 23.28 0.00 1.29 0.39 0.08 74.96 Average: 1 23.57 0.00 1.37 0.81 0.08 74.17 Average: 2 26.33 0.00 1.88 0.54 0.08 71.17 Average: 3 31.50 0.00 1.53 0.46 0.08 66.43 Average: 4 22.79 0.00 1.27 0.40 0.07 75.47 Average: 5 34.12 0.00 1.81 0.27 0.08 63.72 Average: 6 33.21 0.00 1.49 0.31 0.08 64.89 Average: 7 23.30 0.00 1.04 0.32 0.07 75.26