---> uname -a: Linux prd-centos8-docker-4c-4g-14595.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: 2800.000 BogoMIPS: 5600.00 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 821 12031 19 2908 14602 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:4f:99:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.115/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fe4f:998b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fd:b9:27:d5 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) 08/23/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 169.73 15.14 154.58 3249.85 10977.02 01:25:01 PM 201.62 6.18 195.43 1055.42 17192.32 01:26:01 PM 28.80 1.50 27.30 92.78 816.85 Average: 133.38 7.61 125.77 1466.12 9662.14 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12832528 14934852 3306792 20.49 2688 2309064 1468212 8.54 185876 2728104 225952 01:25:01 PM 11289624 13669944 4849696 30.05 2688 2581060 2431064 14.14 254452 4168340 7676 01:26:01 PM 12386888 15017672 3752432 23.25 2688 2829496 1138572 6.62 526008 2801952 262248 Average: 12169680 14540823 3969640 24.60 2688 2573207 1679283 9.77 322112 3232799 165292 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 165.71 119.93 2055.03 26.14 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 12.51 12.51 3.50 3.50 0.00 0.00 0.00 0.00 01:25:01 PM eth0 330.44 227.28 3795.04 51.48 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 16.10 16.10 2.56 2.56 0.00 0.00 0.00 0.00 01:26:01 PM eth0 75.07 79.59 274.27 931.10 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 Average: lo 9.54 9.54 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 190.41 142.26 2041.44 336.22 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) 08/23/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.01 0.00 2.33 0.97 0.09 71.60 01:24:01 PM 0 41.06 0.00 2.94 0.80 0.10 55.10 01:24:01 PM 1 10.77 0.00 1.44 1.02 0.08 86.69 01:24:01 PM 2 29.44 0.00 3.13 1.22 0.08 66.13 01:24:01 PM 3 18.73 0.00 1.81 0.82 0.08 78.56 01:25:01 PM all 51.01 0.00 1.94 1.17 0.10 45.78 01:25:01 PM 0 36.61 0.00 2.49 2.27 0.10 58.53 01:25:01 PM 1 50.40 0.00 1.54 0.30 0.10 47.66 01:25:01 PM 2 55.18 0.00 2.09 1.25 0.08 41.39 01:25:01 PM 3 61.86 0.00 1.64 0.87 0.10 35.53 01:26:01 PM all 15.37 0.00 1.31 0.12 0.08 83.13 01:26:01 PM 0 12.94 0.00 0.88 0.08 0.07 86.03 01:26:01 PM 1 17.10 0.00 1.64 0.08 0.08 81.10 01:26:01 PM 2 12.32 0.00 1.47 0.03 0.10 86.08 01:26:01 PM 3 19.11 0.00 1.25 0.28 0.05 79.30 Average: all 30.46 0.00 1.86 0.75 0.09 66.84 Average: 0 30.20 0.00 2.10 1.05 0.09 66.55 Average: 1 26.09 0.00 1.54 0.47 0.09 71.81 Average: 2 32.31 0.00 2.23 0.84 0.09 64.54 Average: 3 33.23 0.00 1.57 0.66 0.08 64.46