---> uname -a: Linux prd-centos8-docker-4c-4g-11051.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 740 12104 19 2915 14682 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:e1:91:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fee1:911c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:30:4d:76:5f 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) 06/11/2026 _x86_64_ (4 CPU) 13:23:32 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 205.25 14.66 190.59 3331.29 8031.19 01:26:01 PM 275.16 16.20 258.96 2303.70 21548.25 01:27:01 PM 37.01 0.47 36.55 11.86 1910.00 Average: 172.49 10.44 162.05 1882.27 10498.46 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13063228 15108804 3076092 19.06 2688 2253896 1403964 8.17 152332 2545060 349700 01:26:01 PM 11577864 13965320 4561456 28.26 2688 2588092 2131136 12.40 249352 3886648 42308 01:27:01 PM 11695496 14324044 4443824 27.53 2688 2828068 2212024 12.87 347828 3668444 239184 Average: 12112196 14466056 4027124 24.95 2688 2556685 1915708 11.15 249837 3366717 210397 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 245.82 150.12 2105.67 55.37 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 4.10 4.10 0.42 0.42 0.00 0.00 0.00 0.00 01:26:01 PM eth0 393.26 283.10 4169.11 69.46 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 25.12 25.12 5.68 5.68 0.00 0.00 0.00 0.00 01:27:01 PM eth0 68.30 57.82 272.20 28.70 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.74 9.74 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 235.82 163.70 2182.66 51.18 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) 06/11/2026 _x86_64_ (4 CPU) 13:23:32 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 22.65 0.00 2.42 1.35 0.08 73.50 01:25:01 PM 0 33.38 0.00 2.99 0.77 0.08 62.78 01:25:01 PM 1 10.09 0.00 1.24 0.84 0.07 87.78 01:25:01 PM 2 13.47 0.00 2.65 3.14 0.07 80.68 01:25:01 PM 3 33.65 0.00 2.81 0.65 0.08 62.81 01:26:01 PM all 54.15 0.00 2.61 2.09 0.10 41.04 01:26:01 PM 0 44.82 0.00 2.22 2.12 0.10 50.74 01:26:01 PM 1 59.27 0.00 2.89 2.27 0.10 35.46 01:26:01 PM 2 60.66 0.00 2.42 2.47 0.12 34.32 01:26:01 PM 3 51.84 0.00 2.91 1.50 0.10 43.65 01:27:01 PM all 16.59 0.00 0.99 0.15 0.07 82.21 01:27:01 PM 0 13.06 0.00 1.14 0.20 0.07 85.54 01:27:01 PM 1 19.97 0.00 0.52 0.02 0.07 79.43 01:27:01 PM 2 17.45 0.00 0.75 0.12 0.07 81.61 01:27:01 PM 3 15.87 0.00 1.55 0.25 0.07 82.26 Average: all 31.13 0.00 2.01 1.19 0.08 65.59 Average: 0 30.41 0.00 2.12 1.03 0.08 66.35 Average: 1 29.77 0.00 1.55 1.04 0.08 67.57 Average: 2 30.54 0.00 1.94 1.91 0.08 65.53 Average: 3 33.78 0.00 2.42 0.80 0.08 62.92