---> uname -a: Linux prd-centos8-docker-8c-8g-13681.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: 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): 0-7 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 27063 19 3762 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:9f:ec:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.244/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fe9f:ecf5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5b:16:a9:3e 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::42:5bff:fe16:a93e/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) 08/19/2026 _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 241.85 14.45 227.41 3117.63 15925.41 05:15:01 PM 353.89 5.52 348.38 1231.26 13172.30 05:16:01 PM 206.16 3.42 202.75 472.38 39908.93 Average: 267.30 7.79 259.51 1607.11 23002.76 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28695820 30819724 3957552 12.12 2688 2434988 1818552 5.40 202180 3265832 137188 05:15:01 PM 27491976 29971028 5161396 15.81 2688 2782736 2400272 7.12 401848 4233684 141088 05:16:01 PM 27727920 31108664 4925452 15.08 2688 3674496 1518212 4.50 821568 3551624 166748 Average: 27971905 30633139 4681467 14.34 2688 2964073 1912345 5.67 475199 3683713 148341 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 309.60 261.08 3040.73 59.06 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 376.74 320.58 4868.92 44.56 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 586.29 519.29 6003.17 2395.57 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.20 16.96 0.53 260.74 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 424.21 366.99 4637.59 833.11 0.00 0.00 0.00 0.00 Average: docker0 2.40 5.65 0.18 86.92 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) 08/19/2026 _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 15.27 0.00 1.33 0.70 0.06 82.63 05:14:01 PM 0 13.80 0.00 1.20 0.45 0.07 84.48 05:14:01 PM 1 19.65 0.00 1.81 0.64 0.07 77.84 05:14:01 PM 2 10.88 0.00 1.56 0.62 0.08 86.86 05:14:01 PM 3 12.62 0.00 1.66 1.17 0.05 84.51 05:14:01 PM 4 29.03 0.00 1.37 0.74 0.07 68.79 05:14:01 PM 5 14.14 0.00 0.75 0.35 0.05 84.71 05:14:01 PM 6 8.29 0.00 1.22 0.97 0.07 89.45 05:14:01 PM 7 13.75 0.00 1.07 0.69 0.07 84.42 05:15:01 PM all 25.66 0.00 1.51 0.83 0.08 71.92 05:15:01 PM 0 11.35 0.00 1.32 0.55 0.07 86.71 05:15:01 PM 1 41.99 0.00 2.78 2.38 0.08 52.76 05:15:01 PM 2 21.49 0.00 1.58 0.60 0.10 76.22 05:15:01 PM 3 28.45 0.00 1.22 0.55 0.07 69.71 05:15:01 PM 4 31.32 0.00 1.00 0.35 0.07 67.26 05:15:01 PM 5 30.28 0.00 1.34 0.84 0.10 67.44 05:15:01 PM 6 19.63 0.00 1.49 0.55 0.07 78.25 05:15:01 PM 7 20.75 0.00 1.36 0.80 0.08 77.00 05:16:01 PM all 17.28 0.00 2.46 0.73 0.07 79.47 05:16:01 PM 0 10.58 0.00 2.88 0.77 0.08 85.69 05:16:01 PM 1 14.39 0.00 2.52 1.46 0.08 81.54 05:16:01 PM 2 8.07 0.00 2.25 0.34 0.05 89.30 05:16:01 PM 3 20.13 0.00 2.67 1.59 0.07 75.54 05:16:01 PM 4 20.07 0.00 2.55 0.91 0.07 76.40 05:16:01 PM 5 31.75 0.00 2.50 0.18 0.07 65.50 05:16:01 PM 6 21.77 0.00 2.21 0.05 0.07 75.90 05:16:01 PM 7 11.45 0.00 2.07 0.52 0.07 85.89 Average: all 19.40 0.00 1.77 0.75 0.07 78.01 Average: 0 11.91 0.00 1.80 0.59 0.07 85.63 Average: 1 25.34 0.00 2.37 1.49 0.08 70.72 Average: 2 13.48 0.00 1.80 0.52 0.08 84.13 Average: 3 20.39 0.00 1.85 1.11 0.06 76.59 Average: 4 26.82 0.00 1.64 0.66 0.07 70.81 Average: 5 25.38 0.00 1.53 0.46 0.07 72.56 Average: 6 16.56 0.00 1.64 0.52 0.07 81.21 Average: 7 15.32 0.00 1.50 0.67 0.07 82.44