---> uname -a: Linux prd-centos8-docker-4c-4g-7253.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 756 12097 20 2907 14666 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:07:eb:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.69/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fe07:eb20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:58:b0:fc:2b 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) 10/05/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 180.71 12.28 168.43 2152.08 6635.40 01:25:01 PM 267.25 16.48 250.77 3824.09 15616.46 01:26:01 PM 65.96 4.63 61.33 372.01 8785.87 Average: 171.31 11.13 160.18 2116.15 10346.20 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13292296 15078820 2847020 17.64 2688 2002764 1140044 6.63 138188 2353408 173352 01:25:01 PM 12272904 14630036 3866412 23.96 2688 2559536 1476768 8.59 208784 3238876 238328 01:26:01 PM 12038600 14491808 4100716 25.41 2688 2654148 1636852 9.52 289988 3384716 75840 Average: 12534600 14733555 3604716 22.33 2688 2405483 1417888 8.25 212320 2992333 162507 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 213.31 137.97 1504.05 56.14 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 417.94 310.39 4776.07 58.59 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 32.19 32.19 8.33 8.33 0.00 0.00 0.00 0.00 01:26:01 PM eth0 74.33 61.85 334.70 39.86 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 10.73 10.73 2.78 2.78 0.00 0.00 0.00 0.00 Average: eth0 235.20 170.08 2205.08 51.53 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) 10/05/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 18.36 0.00 2.28 2.53 0.02 76.80 01:24:01 PM 0 16.25 0.00 2.09 1.52 0.02 80.12 01:24:01 PM 1 34.10 0.00 3.19 4.68 0.02 58.00 01:24:01 PM 2 7.15 0.00 1.49 1.57 0.02 89.77 01:24:01 PM 3 15.93 0.00 2.36 2.36 0.02 79.33 01:25:01 PM all 32.71 0.00 3.22 1.53 0.01 62.53 01:25:01 PM 0 27.34 0.00 2.07 1.05 0.02 69.51 01:25:01 PM 1 31.05 0.00 4.07 1.89 0.02 62.97 01:25:01 PM 2 40.16 0.00 4.62 1.99 0.02 53.21 01:25:01 PM 3 32.29 0.00 2.10 1.19 0.00 64.42 01:26:01 PM all 45.92 0.00 1.71 0.35 0.02 52.01 01:26:01 PM 0 33.63 0.00 1.79 0.64 0.00 63.94 01:26:01 PM 1 53.01 0.00 1.64 0.35 0.03 44.97 01:26:01 PM 2 53.34 0.00 1.67 0.28 0.02 44.69 01:26:01 PM 3 43.66 0.00 1.72 0.13 0.02 54.47 Average: all 32.33 0.00 2.40 1.47 0.02 63.78 Average: 0 25.74 0.00 1.98 1.07 0.01 71.20 Average: 1 39.40 0.00 2.97 2.31 0.02 55.31 Average: 2 33.56 0.00 2.59 1.28 0.02 62.54 Average: 3 30.63 0.00 2.06 1.23 0.01 66.07