---> uname -a: Linux prd-centos8-docker-4c-4g-13658.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 786 12067 19 2906 14636 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:9b:67:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.103/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe9b:677e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f1:32:9a:0c 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) 08/19/2026 _x86_64_ (4 CPU) 13:22:57 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 269.74 17.91 251.83 3894.70 16397.02 01:26:01 PM 45.69 3.22 42.48 301.82 8156.86 01:27:01 PM 45.49 1.65 43.84 123.05 9446.81 Average: 120.32 7.59 112.72 1439.99 11333.84 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 11869692 14236888 4269628 26.45 2688 2568312 2077956 12.09 218836 3629076 232296 01:26:01 PM 11071284 13451232 5068036 31.40 2688 2580608 2674576 15.56 254080 4384708 860 01:27:01 PM 12397456 15028696 3741864 23.18 2688 2829268 1194856 6.95 538900 2776728 6804 Average: 11779477 14238939 4359843 27.01 2688 2659396 1982463 11.53 337272 3596837 79987 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 425.59 299.75 4938.65 59.03 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 24.53 24.53 5.01 5.01 0.00 0.00 0.00 0.00 01:26:01 PM eth0 64.49 35.38 23.73 26.38 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 5.03 5.03 1.12 1.12 0.00 0.00 0.00 0.00 01:27:01 PM eth0 81.47 87.34 279.43 929.09 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 9.85 9.85 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 190.53 140.83 1747.45 338.15 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) 08/19/2026 _x86_64_ (4 CPU) 13:22:57 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 37.59 0.00 3.19 2.36 0.10 56.76 01:25:01 PM 0 50.25 0.00 3.58 1.61 0.10 44.46 01:25:01 PM 1 26.30 0.00 3.75 2.29 0.12 67.54 01:25:01 PM 2 36.18 0.00 2.46 1.34 0.10 59.92 01:25:01 PM 3 37.61 0.00 2.96 4.20 0.08 55.14 01:26:01 PM all 37.49 0.00 0.98 0.89 0.11 60.52 01:26:01 PM 0 23.42 0.00 1.46 0.65 0.13 74.34 01:26:01 PM 1 44.45 0.00 0.52 0.27 0.10 54.67 01:26:01 PM 2 36.60 0.00 1.32 2.57 0.12 59.38 01:26:01 PM 3 45.47 0.00 0.63 0.07 0.10 53.72 01:27:01 PM all 21.43 0.00 1.87 0.29 0.07 76.34 01:27:01 PM 0 32.68 0.00 2.32 0.03 0.08 64.88 01:27:01 PM 1 19.90 0.00 2.32 1.04 0.07 76.67 01:27:01 PM 2 17.89 0.00 1.24 0.08 0.07 80.73 01:27:01 PM 3 15.22 0.00 1.59 0.02 0.07 83.11 Average: all 32.17 0.00 2.01 1.18 0.09 64.55 Average: 0 35.45 0.00 2.45 0.76 0.11 61.23 Average: 1 30.23 0.00 2.19 1.20 0.09 66.29 Average: 2 30.22 0.00 1.67 1.33 0.09 66.68 Average: 3 32.77 0.00 1.73 1.43 0.08 63.99