---> uname -a: Linux prd-centos8-docker-8c-8g-8061.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 31890 1061 26425 19 4403 30362 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:d3:88:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.242/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fed3:8883/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4c:bd:7c:1c 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::42:4cff:febd:7c1c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/04/2026 _x86_64_ (8 CPU) 07:30:20 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 254.32 16.59 237.72 3198.13 15723.58 07:33:01 AM 221.49 3.03 218.46 1426.62 41282.49 07:34:01 AM 248.28 17.36 230.92 5221.46 2743.70 Average: 241.36 12.33 229.03 3281.97 19917.78 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 28967972 30943952 3687740 11.29 2688 2291112 1636476 4.86 195640 3015060 80884 07:33:01 AM 26450828 29568048 6204884 19.00 2688 3412548 3822356 11.34 335084 5309792 72 07:34:01 AM 27114612 31142176 5541100 16.97 2688 4316804 1417956 4.21 757620 4215360 762576 Average: 27511137 30551392 5144575 15.75 2688 3340155 2292263 6.80 429448 4180071 281177 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 235.82 195.78 2725.75 51.67 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 1623.92 542.96 11282.87 49.61 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM vethf1fdec6 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 07:34:01 AM lo 12.95 12.95 1.36 1.36 0.00 0.00 0.00 0.00 07:34:01 AM eth0 169.56 142.17 1718.81 36.47 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.80 5.88 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.31 4.31 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 676.49 293.65 5242.81 45.91 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.98 0.22 0.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/04/2026 _x86_64_ (8 CPU) 07:30:20 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 15.10 0.00 1.46 0.67 0.06 82.71 07:32:01 AM 0 7.33 0.00 0.89 0.38 0.05 91.35 07:32:01 AM 1 15.04 0.00 1.84 1.41 0.08 81.63 07:32:01 AM 2 23.32 0.00 2.68 1.52 0.08 72.40 07:32:01 AM 3 12.58 0.00 1.04 0.38 0.07 85.93 07:32:01 AM 4 9.73 0.00 0.77 0.08 0.07 89.35 07:32:01 AM 5 18.96 0.00 1.49 0.60 0.07 78.88 07:32:01 AM 6 20.37 0.00 0.97 0.43 0.03 78.19 07:32:01 AM 7 13.46 0.00 2.01 0.52 0.07 83.94 07:33:01 AM all 30.39 0.00 2.30 0.86 0.09 66.37 07:33:01 AM 0 24.88 0.00 2.32 1.33 0.08 71.38 07:33:01 AM 1 29.16 0.00 1.87 0.89 0.08 68.00 07:33:01 AM 2 27.38 0.00 2.90 2.24 0.08 67.40 07:33:01 AM 3 34.98 0.00 1.71 0.23 0.10 62.97 07:33:01 AM 4 37.53 0.00 2.63 1.14 0.10 58.60 07:33:01 AM 5 46.11 0.00 2.35 0.34 0.08 51.12 07:33:01 AM 6 22.37 0.00 1.65 0.44 0.08 75.46 07:33:01 AM 7 20.65 0.00 2.95 0.29 0.07 76.04 07:34:01 AM all 25.06 0.32 2.63 0.47 0.08 71.44 07:34:01 AM 0 26.18 0.12 2.28 0.03 0.10 71.29 07:34:01 AM 1 30.13 0.00 3.07 0.15 0.08 66.57 07:34:01 AM 2 20.10 0.00 3.33 1.76 0.08 74.73 07:34:01 AM 3 19.59 2.01 2.71 0.25 0.07 75.37 07:34:01 AM 4 18.96 0.39 3.02 0.79 0.07 76.78 07:34:01 AM 5 33.23 0.00 2.04 0.08 0.08 64.56 07:34:01 AM 6 25.88 0.03 2.25 0.25 0.08 71.50 07:34:01 AM 7 26.40 0.05 2.34 0.40 0.08 70.72 Average: all 23.50 0.11 2.13 0.66 0.08 73.52 Average: 0 19.45 0.04 1.83 0.58 0.08 78.03 Average: 1 24.77 0.00 2.26 0.82 0.08 72.07 Average: 2 23.60 0.00 2.97 1.84 0.08 71.51 Average: 3 22.37 0.67 1.82 0.29 0.08 74.77 Average: 4 22.04 0.13 2.14 0.67 0.08 74.95 Average: 5 32.74 0.00 1.96 0.34 0.08 64.88 Average: 6 22.87 0.01 1.62 0.37 0.07 75.06 Average: 7 20.17 0.02 2.43 0.40 0.07 76.91