---> uname -a: Linux prd-centos8-docker-8c-8g-995.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1072 27044 19 3770 30353 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:98:62:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.137/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe98:62ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7d:e1:98:e3 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::42:7dff:fee1:98e3/64 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) 07/22/2026 _x86_64_ (8 CPU) 17:11:22 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 154.37 14.30 140.07 3115.49 10933.47 05:14:01 PM 424.30 5.80 418.50 1236.06 16965.56 05:15:01 PM 258.40 2.47 255.93 514.90 44407.73 Average: 279.01 7.52 271.49 1622.17 24102.65 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29102840 31089280 3550524 10.87 2688 2302924 1604368 4.76 159268 2925020 215612 05:14:01 PM 27780788 30238344 4872576 14.92 2688 2762800 2214192 6.57 273484 4083736 247652 05:15:01 PM 25593804 28904536 7059560 21.62 2688 3605748 3503068 10.39 638024 5860616 75832 Average: 27492477 30077387 5160887 15.81 2688 2890491 2440543 7.24 356925 4289791 179699 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 143.50 108.90 1782.60 36.04 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 568.54 481.24 6665.37 64.82 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 547.63 460.83 6293.57 1279.00 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.93 13.66 0.52 260.17 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 419.88 350.31 4913.75 459.97 0.00 0.00 0.00 0.00 Average: docker0 2.31 4.55 0.17 86.73 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) 07/22/2026 _x86_64_ (8 CPU) 17:11:22 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 9.48 0.00 0.96 0.46 0.05 89.05 05:13:01 PM 0 8.96 0.00 1.25 0.38 0.05 89.35 05:13:01 PM 1 8.17 0.00 0.79 0.87 0.05 90.12 05:13:01 PM 2 4.08 0.00 0.55 0.47 0.07 94.83 05:13:01 PM 3 7.16 0.00 0.95 0.52 0.05 91.32 05:13:01 PM 4 19.03 0.00 1.69 0.87 0.07 78.34 05:13:01 PM 5 10.83 0.00 0.88 0.18 0.03 88.07 05:13:01 PM 6 13.94 0.00 1.05 0.18 0.03 84.79 05:13:01 PM 7 3.60 0.00 0.50 0.23 0.03 95.63 05:14:01 PM all 25.58 0.00 1.62 1.20 0.09 71.52 05:14:01 PM 0 20.37 0.00 1.76 1.42 0.08 76.37 05:14:01 PM 1 31.54 0.00 2.89 4.28 0.08 61.21 05:14:01 PM 2 25.51 0.00 2.48 1.64 0.08 70.28 05:14:01 PM 3 23.94 0.00 1.29 0.38 0.10 74.28 05:14:01 PM 4 39.93 0.00 0.87 0.35 0.08 58.77 05:14:01 PM 5 22.01 0.00 1.86 1.02 0.10 75.01 05:14:01 PM 6 20.59 0.00 0.92 0.28 0.08 78.12 05:14:01 PM 7 20.72 0.00 0.87 0.22 0.10 78.09 05:15:01 PM all 20.13 0.00 2.50 1.39 0.07 75.92 05:15:01 PM 0 25.92 0.00 2.71 1.26 0.07 70.05 05:15:01 PM 1 25.96 0.00 2.41 3.06 0.08 68.48 05:15:01 PM 2 29.05 0.00 3.86 2.29 0.08 64.72 05:15:01 PM 3 13.36 0.00 2.74 0.62 0.07 83.20 05:15:01 PM 4 24.89 0.00 2.47 0.55 0.08 72.01 05:15:01 PM 5 18.97 0.00 1.68 0.54 0.08 78.73 05:15:01 PM 6 13.59 0.00 2.08 0.74 0.05 83.53 05:15:01 PM 7 9.27 0.00 2.05 2.02 0.07 86.60 Average: all 18.38 0.00 1.69 1.01 0.07 78.84 Average: 0 18.39 0.00 1.90 1.02 0.07 78.61 Average: 1 21.87 0.00 2.02 2.73 0.07 73.30 Average: 2 19.52 0.00 2.29 1.46 0.08 76.64 Average: 3 14.82 0.00 1.66 0.51 0.07 82.94 Average: 4 27.95 0.00 1.67 0.59 0.08 69.71 Average: 5 17.26 0.00 1.47 0.58 0.07 80.62 Average: 6 16.04 0.00 1.35 0.40 0.06 82.15 Average: 7 11.19 0.00 1.14 0.82 0.07 86.78