---> uname -a: Linux prd-centos8-docker-4c-4g-38.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: 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): 0-3 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 742 12210 19 2807 14679 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:72:3a:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.198/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86029sec preferred_lft 86029sec inet6 fe80::f816:3eff:fe72:3a02/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:22:18:5f:c4 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) 07/22/2026 _x86_64_ (4 CPU) 08:25:00 LINUX RESTART (4 CPU) 08:26:01 AM tps rtps wtps bread/s bwrtn/s 08:27:01 AM 216.16 20.18 195.98 4126.49 15972.73 08:28:02 AM 100.60 1.72 98.88 103.17 6295.93 08:29:01 AM 20.66 0.05 20.61 1.08 6595.03 08:30:01 AM 4.30 1.77 2.53 51.56 210.56 08:31:01 AM 24.93 1.47 23.47 141.51 1148.67 Average: 73.50 5.05 68.45 887.61 6041.81 08:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:27:01 AM 12096016 14342056 4043304 25.05 2688 2448932 1876800 10.92 210128 3418516 116452 08:28:02 AM 10021204 12508220 6118116 37.91 2688 2685572 3632780 21.14 262592 5420032 186064 08:29:01 AM 8873276 11366272 7266044 45.02 2688 2691408 4568400 26.58 264576 6564184 2452 08:30:01 AM 8728140 11228592 7411180 45.92 2688 2698632 4620760 26.88 267092 6705620 3076 08:31:01 AM 12500896 15027208 3638424 22.54 2688 2722540 1142796 6.65 473268 2732824 27076 Average: 10443906 12894470 5695414 35.29 2688 2649417 3168307 18.43 295531 4968235 67024 08:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 AM eth0 221.46 182.49 2666.45 35.76 0.00 0.00 0.00 0.00 08:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:02 AM eth0 215.43 168.93 3511.94 35.36 0.00 0.00 0.00 0.00 08:28:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 AM eth0 114.57 61.01 43.11 52.85 0.00 0.00 0.00 0.00 08:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 AM eth0 237.07 161.32 79.18 72.35 0.00 0.00 0.00 0.00 08:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 AM lo 6.63 6.63 0.80 0.80 0.00 0.00 0.00 0.00 08:31:01 AM eth0 30.11 26.22 20.28 21.95 0.00 0.00 0.00 0.00 08:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.33 1.33 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 163.89 120.19 1268.11 43.62 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) 07/22/2026 _x86_64_ (4 CPU) 08:25:00 LINUX RESTART (4 CPU) 08:26:01 AM CPU %user %nice %system %iowait %steal %idle 08:27:01 AM all 37.07 0.00 2.46 1.04 0.10 59.32 08:27:01 AM 0 26.11 0.00 2.14 0.67 0.08 71.00 08:27:01 AM 1 52.36 0.00 3.67 1.66 0.13 42.18 08:27:01 AM 2 25.82 0.00 1.37 0.89 0.08 71.83 08:27:01 AM 3 44.00 0.00 2.68 0.94 0.12 52.27 08:28:02 AM all 67.55 0.00 1.98 0.40 0.13 29.93 08:28:02 AM 0 68.70 0.00 1.90 0.33 0.13 28.93 08:28:02 AM 1 68.36 0.00 1.70 0.10 0.13 29.70 08:28:02 AM 2 73.59 0.00 1.42 0.18 0.15 24.65 08:28:02 AM 3 59.55 0.00 2.89 0.99 0.12 36.45 08:29:01 AM all 41.59 0.00 1.23 0.21 0.11 56.86 08:29:01 AM 0 45.32 0.00 1.51 0.05 0.12 53.00 08:29:01 AM 1 40.35 0.00 0.95 0.07 0.10 58.53 08:29:01 AM 2 45.69 0.00 1.14 0.00 0.10 53.07 08:29:01 AM 3 35.00 0.00 1.31 0.73 0.14 62.83 08:30:01 AM all 23.22 0.00 1.14 0.03 0.07 75.54 08:30:01 AM 0 18.32 0.00 1.19 0.00 0.07 80.42 08:30:01 AM 1 22.29 0.00 0.90 0.02 0.07 76.72 08:30:01 AM 2 13.29 0.00 1.10 0.03 0.05 85.52 08:30:01 AM 3 38.92 0.00 1.38 0.07 0.08 59.54 08:31:01 AM all 45.19 0.00 1.70 0.10 0.11 52.90 08:31:01 AM 0 34.25 0.00 1.90 0.03 0.12 63.70 08:31:01 AM 1 50.78 0.00 2.05 0.20 0.10 46.87 08:31:01 AM 2 39.65 0.00 1.15 0.07 0.10 59.03 08:31:01 AM 3 56.11 0.00 1.69 0.08 0.13 41.99 Average: all 42.93 0.00 1.70 0.36 0.11 54.90 Average: 0 38.52 0.00 1.73 0.22 0.10 59.43 Average: 1 46.85 0.00 1.86 0.41 0.11 50.77 Average: 2 39.60 0.00 1.24 0.23 0.10 58.83 Average: 3 46.75 0.00 1.99 0.56 0.12 50.58