---> uname -a: Linux prd-centos8-docker-8c-8g-3024.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: 2799.996 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 1467 27782 19 2638 29971 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:90:bb:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.182/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fe90:bbb8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ea:fe:c2:f8 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) 05/23/2026 _x86_64_ (8 CPU) 14:02:04 LINUX RESTART (8 CPU) 02:03:01 PM tps rtps wtps bread/s bwrtn/s 02:04:01 PM 202.17 2.88 199.28 845.58 15734.97 02:05:01 PM 96.95 3.35 93.60 437.19 9530.17 02:06:01 PM 41.53 0.43 41.09 56.26 2795.88 Average: 113.55 2.22 111.33 446.36 9354.04 02:03:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:04:01 PM 27654884 29709856 4998488 15.31 2688 2367592 2733740 8.11 203236 4309468 150524 02:05:01 PM 28961240 31187208 3692132 11.31 2688 2534060 1369312 4.06 232816 2961956 52160 02:06:01 PM 28449712 30687752 4203660 12.87 2688 2544460 1822688 5.41 465792 3235676 24296 Average: 28355279 30528272 4298093 13.16 2688 2482037 1975247 5.86 300615 3502367 75660 02:03:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:04:01 PM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 273.88 215.73 3065.78 50.28 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 314.40 241.97 1861.81 72.94 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 PM eth0 92.73 57.92 80.90 95.99 0.00 0.00 0.00 0.00 02:06:01 PM 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 227.01 171.88 1669.58 73.07 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) 05/23/2026 _x86_64_ (8 CPU) 14:02:04 LINUX RESTART (8 CPU) 02:03:01 PM CPU %user %nice %system %iowait %steal %idle 02:04:01 PM all 29.67 0.00 1.35 0.68 0.08 68.21 02:04:01 PM 0 22.53 0.00 1.49 0.75 0.08 75.15 02:04:01 PM 1 46.39 0.00 1.94 0.82 0.10 50.75 02:04:01 PM 2 30.24 0.00 1.69 0.92 0.08 67.07 02:04:01 PM 3 19.71 0.00 1.14 0.62 0.07 78.47 02:04:01 PM 4 29.97 0.00 1.10 0.87 0.08 67.97 02:04:01 PM 5 26.42 0.00 0.79 0.33 0.07 72.39 02:04:01 PM 6 34.68 0.00 1.19 0.67 0.07 63.40 02:04:01 PM 7 27.41 0.00 1.49 0.50 0.08 70.52 02:05:01 PM all 39.75 0.00 1.75 0.25 0.09 58.15 02:05:01 PM 0 32.93 0.00 1.37 0.03 0.08 65.59 02:05:01 PM 1 38.80 0.00 1.49 0.50 0.08 59.12 02:05:01 PM 2 40.03 0.00 1.99 0.35 0.08 57.55 02:05:01 PM 3 34.52 0.00 1.60 0.22 0.10 63.56 02:05:01 PM 4 47.89 0.00 2.09 0.47 0.10 49.46 02:05:01 PM 5 38.34 0.00 1.59 0.37 0.10 59.61 02:05:01 PM 6 47.54 0.00 2.66 0.07 0.10 49.62 02:05:01 PM 7 37.99 0.00 1.22 0.03 0.08 60.67 02:06:01 PM all 13.36 0.00 0.81 0.09 0.05 85.68 02:06:01 PM 0 21.05 0.00 0.80 0.12 0.05 77.98 02:06:01 PM 1 4.84 0.00 0.55 0.02 0.07 94.53 02:06:01 PM 2 31.07 0.00 1.35 0.13 0.07 67.38 02:06:01 PM 3 17.79 0.00 1.02 0.00 0.05 81.14 02:06:01 PM 4 9.81 0.00 0.67 0.03 0.05 89.44 02:06:01 PM 5 5.86 0.00 1.04 0.37 0.05 92.69 02:06:01 PM 6 15.16 0.00 0.67 0.02 0.05 84.10 02:06:01 PM 7 1.24 0.00 0.40 0.07 0.03 98.26 Average: all 27.59 0.00 1.30 0.34 0.07 70.69 Average: 0 25.50 0.00 1.22 0.30 0.07 72.91 Average: 1 30.00 0.00 1.33 0.45 0.08 68.14 Average: 2 33.78 0.00 1.68 0.47 0.08 64.00 Average: 3 24.01 0.00 1.25 0.28 0.07 74.39 Average: 4 29.22 0.00 1.29 0.46 0.08 68.96 Average: 5 23.53 0.00 1.14 0.36 0.07 74.90 Average: 6 32.44 0.00 1.51 0.25 0.07 65.73 Average: 7 22.22 0.00 1.04 0.20 0.07 76.48