---> uname -a: Linux prd-centos8-docker-8c-8g-12572.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: 2799.998 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): 0-7 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 1061 27066 19 3760 30364 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:a5:c4:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.160/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fea5:c464/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5d:28:ec:ee 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::42:5dff:fe28:ecee/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) 08/14/2026 _x86_64_ (8 CPU) 17:12:00 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 396.43 14.81 381.62 3124.69 17588.80 05:15:01 PM 266.30 6.92 259.38 1295.20 16336.00 05:16:01 PM 141.70 1.88 139.81 434.45 40074.45 Average: 268.14 7.87 260.27 1618.08 24668.20 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28551396 30731448 4101976 12.56 2688 2488964 1845052 5.47 212152 3392440 189760 05:15:01 PM 26606468 29749772 6046904 18.52 2688 3443192 2603700 7.73 492892 5015892 685580 05:16:01 PM 27700824 31084284 4952548 15.17 2688 3677264 1538156 4.56 831612 3565672 29736 Average: 27619563 30521835 5033809 15.42 2688 3203140 1995636 5.92 512219 3991335 301692 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 394.30 340.87 3920.59 71.95 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 619.63 491.17 9508.73 58.51 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 256.64 265.77 485.71 2369.38 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.78 16.48 0.51 260.59 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 423.49 365.92 4637.57 833.45 0.00 0.00 0.00 0.00 Average: docker0 2.26 5.49 0.17 86.88 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) 08/14/2026 _x86_64_ (8 CPU) 17:12:00 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 17.63 0.00 1.54 1.46 0.08 79.29 05:14:01 PM 0 22.97 0.00 0.85 0.97 0.08 75.13 05:14:01 PM 1 23.20 0.00 1.71 2.19 0.08 72.82 05:14:01 PM 2 17.59 0.00 2.53 3.32 0.08 76.48 05:14:01 PM 3 31.28 0.00 2.81 0.92 0.08 64.90 05:14:01 PM 4 10.61 0.00 1.04 0.84 0.07 87.45 05:14:01 PM 5 15.84 0.00 1.19 1.17 0.05 81.75 05:14:01 PM 6 13.84 0.00 1.52 1.72 0.08 82.83 05:14:01 PM 7 5.70 0.00 0.70 0.59 0.07 92.94 05:15:01 PM all 31.77 0.00 1.87 0.86 0.10 65.40 05:15:01 PM 0 25.24 0.00 1.57 1.00 0.10 72.08 05:15:01 PM 1 31.69 0.00 1.39 0.45 0.08 66.38 05:15:01 PM 2 42.28 0.00 1.98 0.20 0.08 55.45 05:15:01 PM 3 20.94 0.00 1.63 0.86 0.10 76.48 05:15:01 PM 4 27.65 0.00 1.39 0.94 0.10 69.92 05:15:01 PM 5 35.58 0.00 2.84 1.80 0.12 59.66 05:15:01 PM 6 36.47 0.00 2.69 1.39 0.10 59.35 05:15:01 PM 7 34.36 0.00 1.48 0.22 0.08 63.86 05:16:01 PM all 11.45 0.00 2.11 0.78 0.06 85.61 05:16:01 PM 0 9.55 0.00 2.01 0.18 0.05 88.21 05:16:01 PM 1 4.11 0.00 1.79 1.34 0.05 92.71 05:16:01 PM 2 13.50 0.00 2.68 0.99 0.07 82.77 05:16:01 PM 3 6.07 0.00 1.79 0.28 0.05 91.80 05:16:01 PM 4 7.84 0.00 1.73 0.55 0.05 89.83 05:16:01 PM 5 19.93 0.00 3.03 1.86 0.07 75.12 05:16:01 PM 6 24.78 0.00 2.24 0.27 0.07 72.65 05:16:01 PM 7 5.76 0.00 1.58 0.75 0.05 91.86 Average: all 20.27 0.00 1.84 1.03 0.08 76.78 Average: 0 19.25 0.00 1.48 0.72 0.08 78.47 Average: 1 19.66 0.00 1.63 1.33 0.07 77.30 Average: 2 24.44 0.00 2.40 1.50 0.08 71.58 Average: 3 19.43 0.00 2.08 0.69 0.08 77.72 Average: 4 15.35 0.00 1.39 0.78 0.07 82.41 Average: 5 23.76 0.00 2.35 1.61 0.08 72.21 Average: 6 25.02 0.00 2.15 1.13 0.08 71.62 Average: 7 15.27 0.00 1.25 0.52 0.07 82.89