---> uname -a: Linux prd-centos8-docker-4c-4g-7246.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1032 10804 20 3923 14378 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:02:15:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.200/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86099sec preferred_lft 86099sec inet6 fe80::f816:3eff:fe02:159f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9e:18:28:25 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 inet6 fe80::42:9eff:fe18:2825/64 scope link 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) 12:26:42 LINUX RESTART (4 CPU) 12:27:01 PM tps rtps wtps bread/s bwrtn/s 12:28:01 PM 184.97 18.76 166.21 4254.98 9081.44 12:29:01 PM 292.95 6.73 286.22 1166.75 32784.09 12:30:01 PM 919.59 1.65 917.94 79.04 33375.22 12:31:01 PM 282.14 101.42 180.72 1800.07 6728.01 Average: 419.91 32.14 387.77 1825.18 20492.70 12:27:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:28:01 PM 13127372 15045792 3011944 18.66 2688 2129448 1143264 6.65 153836 2481984 281388 12:29:01 PM 9916092 12503020 6223224 38.56 2688 2779144 4305284 25.05 272760 5476360 844 12:30:01 PM 10314480 13837328 5824836 36.09 2688 3526680 1802748 10.49 353640 4592872 123744 12:31:01 PM 10320888 13934960 5818428 36.05 2688 3604288 1981956 11.53 413104 4496108 16964 Average: 10919708 13830275 5219608 32.34 2688 3009890 2308313 13.43 298335 4261831 105735 12:27:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM eth0 345.18 205.61 2088.22 70.88 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 12:29:01 PM eth0 468.92 322.82 5801.38 45.71 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.12 0.22 0.00 0.02 0.00 0.00 0.00 0.00 12:29:01 PM veth0bfff93 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 12:29:01 PM vethc89d62a 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:30:01 PM lo 6.06 6.06 4.48 4.48 0.00 0.00 0.00 0.00 12:30:01 PM eth0 184.22 146.20 1810.55 29.64 0.00 0.00 0.00 0.00 12:30:01 PM docker0 3.12 2.90 4.08 0.43 0.00 0.00 0.00 0.00 12:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM eth0 6.45 5.38 58.85 1.04 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.58 1.58 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 251.20 170.01 2439.89 36.82 0.00 0.00 0.00 0.00 Average: docker0 0.81 0.78 1.02 0.11 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) 12:26:42 LINUX RESTART (4 CPU) 12:27:01 PM CPU %user %nice %system %iowait %steal %idle 12:28:01 PM all 24.14 0.00 2.83 1.11 0.01 71.90 12:28:01 PM 0 21.25 0.00 2.79 0.99 0.02 74.96 12:28:01 PM 1 31.89 0.00 3.09 0.70 0.02 64.31 12:28:01 PM 2 28.92 0.00 2.85 0.57 0.00 67.67 12:28:01 PM 3 14.47 0.00 2.61 2.19 0.02 80.70 12:29:01 PM all 40.01 0.04 4.22 1.73 0.02 53.99 12:29:01 PM 0 37.10 0.00 4.51 2.49 0.02 55.88 12:29:01 PM 1 43.02 0.00 4.22 1.78 0.00 50.98 12:29:01 PM 2 40.73 0.03 4.17 1.39 0.03 53.64 12:29:01 PM 3 39.19 0.12 3.97 1.24 0.02 55.47 12:30:01 PM all 35.89 0.06 10.66 5.14 0.03 48.22 12:30:01 PM 0 41.87 0.09 11.50 6.19 0.03 40.32 12:30:01 PM 1 31.66 0.05 10.31 4.54 0.03 53.40 12:30:01 PM 2 28.81 0.05 9.95 5.49 0.02 55.68 12:30:01 PM 3 41.19 0.07 10.90 4.36 0.02 43.47 12:31:01 PM all 39.92 0.00 2.12 1.97 0.00 55.99 12:31:01 PM 0 50.98 0.00 2.12 1.34 0.02 45.55 12:31:01 PM 1 54.47 0.00 2.93 2.73 0.00 39.86 12:31:01 PM 2 29.30 0.00 1.95 2.78 0.00 65.97 12:31:01 PM 3 24.93 0.00 1.47 1.02 0.00 72.58 Average: all 34.98 0.03 4.93 2.48 0.01 57.57 Average: 0 37.78 0.02 5.20 2.73 0.02 54.25 Average: 1 40.28 0.01 5.12 2.43 0.01 52.14 Average: 2 31.95 0.02 4.71 2.55 0.01 60.77 Average: 3 29.90 0.05 4.72 2.20 0.01 63.13