---> uname -a: Linux prd-centos8-docker-8c-8g-7187.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.974 BogoMIPS: 5599.94 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1057 27073 19 3757 30368 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:b6:b2:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.203/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:feb6:b2f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:68:bd:0c:12 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::42:68ff:febd:c12/64 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) 06/05/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 290.02 14.80 275.22 3228.66 16257.83 05:15:01 PM 432.79 6.11 426.67 1201.60 13756.70 05:16:01 PM 173.06 3.55 169.51 482.24 42221.89 Average: 298.62 8.15 290.47 1637.50 24078.81 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28611576 30758508 4041796 12.38 2688 2457160 1834228 5.44 204748 3345364 161772 05:15:01 PM 27435208 30065896 5218164 15.98 2688 2932080 2263780 6.72 422416 4265512 292512 05:16:01 PM 27735724 31109680 4917648 15.06 2688 3667372 1507028 4.47 822084 3541980 91224 Average: 27927503 30644695 4725869 14.47 2688 3018871 1868345 5.54 483083 3717619 181836 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 338.42 285.19 3457.55 52.92 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 527.52 426.57 6959.41 55.98 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 369.11 349.25 3498.21 2376.51 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.63 14.31 0.50 257.01 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 411.68 353.67 4638.39 828.47 0.00 0.00 0.00 0.00 Average: docker0 2.21 4.77 0.17 85.67 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) 06/05/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 15.85 0.00 1.34 0.76 0.06 81.99 05:14:01 PM 0 23.06 0.00 0.77 0.07 0.07 76.04 05:14:01 PM 1 11.10 0.00 1.91 1.64 0.07 85.28 05:14:01 PM 2 18.10 0.00 1.37 0.54 0.07 79.93 05:14:01 PM 3 20.38 0.00 2.54 1.29 0.08 75.70 05:14:01 PM 4 20.09 0.00 0.75 0.35 0.05 78.76 05:14:01 PM 5 6.62 0.00 0.67 0.20 0.05 92.46 05:14:01 PM 6 18.90 0.00 1.69 1.34 0.07 78.01 05:14:01 PM 7 8.47 0.00 1.04 0.67 0.07 89.75 05:15:01 PM all 30.07 0.00 1.71 1.03 0.09 67.10 05:15:01 PM 0 50.18 0.00 1.46 0.13 0.10 48.13 05:15:01 PM 1 32.79 0.00 2.51 1.76 0.10 62.84 05:15:01 PM 2 31.20 0.00 1.47 0.79 0.10 66.44 05:15:01 PM 3 32.96 0.00 1.31 0.32 0.08 65.33 05:15:01 PM 4 20.25 0.00 1.51 1.78 0.10 76.37 05:15:01 PM 5 25.62 0.00 2.11 0.64 0.10 71.53 05:15:01 PM 6 32.78 0.00 1.46 0.79 0.08 64.89 05:15:01 PM 7 14.68 0.00 1.87 2.05 0.08 81.32 05:16:01 PM all 13.81 0.00 2.31 0.61 0.07 83.20 05:16:01 PM 0 10.30 0.00 1.68 0.08 0.08 87.86 05:16:01 PM 1 26.57 0.00 3.45 1.57 0.08 68.32 05:16:01 PM 2 21.18 0.00 2.60 0.49 0.08 75.65 05:16:01 PM 3 15.74 0.00 2.33 0.75 0.07 81.10 05:16:01 PM 4 6.77 0.00 1.81 0.12 0.07 91.24 05:16:01 PM 5 11.40 0.00 2.18 0.47 0.07 85.88 05:16:01 PM 6 12.74 0.00 2.26 0.54 0.07 84.39 05:16:01 PM 7 5.74 0.00 2.15 0.89 0.07 91.15 Average: all 19.91 0.00 1.79 0.80 0.08 77.43 Average: 0 27.85 0.00 1.30 0.09 0.08 70.67 Average: 1 23.48 0.00 2.62 1.66 0.08 72.15 Average: 2 23.49 0.00 1.81 0.60 0.08 74.01 Average: 3 23.03 0.00 2.06 0.79 0.08 74.05 Average: 4 15.71 0.00 1.36 0.75 0.07 82.11 Average: 5 14.54 0.00 1.65 0.44 0.07 83.30 Average: 6 21.48 0.00 1.80 0.89 0.07 75.76 Average: 7 9.63 0.00 1.68 1.20 0.07 87.41