---> uname -a: Linux prd-centos8-docker-4c-4g-12209.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 823 12033 19 2904 14600 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:a6:a3:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.22/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fea6:a3d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:58:91:70:69 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) 08/13/2026 _x86_64_ (4 CPU) 13:23:11 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 253.96 14.95 239.01 3220.40 13384.50 01:26:01 PM 97.50 6.18 91.32 1055.25 12746.80 01:27:01 PM 39.64 1.68 37.96 123.98 9188.52 Average: 130.37 7.60 122.76 1466.52 11773.33 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12477896 14779344 3661424 22.69 2688 2504144 1396844 8.13 193060 3056124 315360 01:26:01 PM 11331336 13708888 4807984 29.79 2688 2578252 2409752 14.02 255572 4123236 1700 01:27:01 PM 12313804 14943648 3825516 23.70 2688 2828356 1215588 7.07 532264 2867496 7368 Average: 12041012 14477293 4098308 25.39 2688 2636917 1674061 9.74 326965 3348952 108143 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 345.39 254.61 4466.04 44.53 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 21.61 21.61 4.52 4.52 0.00 0.00 0.00 0.00 01:26:01 PM eth0 139.29 88.10 618.35 40.40 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 7.40 7.40 1.57 1.57 0.00 0.00 0.00 0.00 01:27:01 PM eth0 74.87 78.54 274.15 926.33 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 9.67 9.67 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 186.51 140.41 1786.12 337.07 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) 08/13/2026 _x86_64_ (4 CPU) 13:23:11 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 27.14 0.00 2.76 1.22 0.09 68.80 01:25:01 PM 0 40.26 0.00 4.17 1.71 0.10 53.76 01:25:01 PM 1 30.03 0.00 2.84 1.12 0.08 65.92 01:25:01 PM 2 22.77 0.00 1.81 0.69 0.08 74.65 01:25:01 PM 3 15.46 0.00 2.21 1.36 0.08 80.89 01:26:01 PM all 51.79 0.00 1.63 0.56 0.10 45.91 01:26:01 PM 0 47.57 0.00 2.04 0.38 0.10 49.91 01:26:01 PM 1 43.63 0.00 1.94 1.22 0.08 53.13 01:26:01 PM 2 59.60 0.00 0.77 0.08 0.12 39.44 01:26:01 PM 3 56.35 0.00 1.79 0.57 0.10 41.19 01:27:01 PM all 17.29 0.00 1.39 0.28 0.06 80.98 01:27:01 PM 0 18.79 0.00 1.35 0.03 0.07 79.76 01:27:01 PM 1 28.94 0.00 1.64 0.07 0.08 69.28 01:27:01 PM 2 9.05 0.00 0.92 0.77 0.05 89.21 01:27:01 PM 3 12.38 0.00 1.65 0.25 0.03 85.68 Average: all 32.08 0.00 1.93 0.69 0.08 65.23 Average: 0 35.54 0.00 2.52 0.71 0.09 61.15 Average: 1 34.20 0.00 2.14 0.80 0.08 62.78 Average: 2 30.50 0.00 1.16 0.51 0.08 67.73 Average: 3 28.07 0.00 1.88 0.72 0.07 69.25