---> uname -a: Linux prd-centos8-docker-4c-4g-8755.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 nrip_save 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 1025 10462 19 4273 14385 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:13:f2:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.99/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86051sec preferred_lft 86051sec inet6 fe80::f816:3eff:fe13:f269/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:80:d0:01:be 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::42:80ff:fed0:1be/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) 07/11/2026 _x86_64_ (4 CPU) 03:28:25 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 157.28 2.12 155.16 323.63 10823.59 03:31:01 AM 244.02 6.26 237.75 938.35 28064.35 03:32:01 AM 1171.64 75.64 1096.00 1439.36 38633.51 03:33:01 AM 98.07 58.26 39.80 5278.64 1611.65 03:34:01 AM 162.72 4.15 158.57 656.96 9378.85 Average: 366.73 29.29 337.44 1727.43 17701.97 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 12844272 14857004 3295048 20.42 2688 2219340 1463520 8.51 155940 2743056 228328 03:31:01 AM 10718320 13305024 5421000 33.59 2688 2777996 3113328 18.11 310344 4645300 3336 03:32:01 AM 10237456 13825796 5901864 36.57 2688 3578608 1782320 10.37 406124 4589040 15388 03:33:01 AM 10445728 14422396 5693592 35.28 2688 3962780 1456296 8.47 470468 4319040 222280 03:34:01 AM 10695236 14716832 5444084 33.73 2688 4003628 1225640 7.13 718224 3819848 32164 Average: 10988202 14225410 5151118 31.92 2688 3308470 1808221 10.52 412220 4023257 100299 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 162.18 116.69 1965.71 25.13 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 5.95 5.95 4.51 4.51 0.00 0.00 0.00 0.00 03:31:01 AM eth0 484.21 294.10 5117.54 40.89 0.00 0.00 0.00 0.00 03:31:01 AM docker0 3.28 3.15 4.08 0.45 0.00 0.00 0.00 0.00 03:31:01 AM veth77147c7 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 03:32:01 AM lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 03:32:01 AM eth0 187.90 137.99 1857.06 21.01 0.00 0.00 0.00 0.00 03:32:01 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 201.88 153.15 3164.39 13.05 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 39.96 31.89 27.64 34.60 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 215.23 146.77 2426.57 26.94 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.64 0.82 0.09 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) 07/11/2026 _x86_64_ (4 CPU) 03:28:25 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 23.51 0.00 2.18 0.78 0.08 73.45 03:30:01 AM 0 21.23 0.00 1.57 0.67 0.07 76.46 03:30:01 AM 1 37.12 0.00 3.67 0.89 0.10 58.23 03:30:01 AM 2 20.22 0.00 2.07 0.85 0.07 76.79 03:30:01 AM 3 15.47 0.00 1.41 0.70 0.10 82.31 03:31:01 AM all 44.92 0.08 3.45 1.39 0.12 50.03 03:31:01 AM 0 48.27 0.07 3.07 1.51 0.12 46.96 03:31:01 AM 1 47.98 0.05 4.33 1.80 0.13 45.71 03:31:01 AM 2 41.46 0.17 3.06 1.19 0.12 54.01 03:31:01 AM 3 41.95 0.05 3.35 1.06 0.12 53.47 03:32:01 AM all 26.97 0.00 9.84 8.00 0.15 55.03 03:32:01 AM 0 17.72 0.00 10.63 9.20 0.17 62.27 03:32:01 AM 1 32.49 0.00 9.48 8.65 0.14 49.26 03:32:01 AM 2 32.44 0.00 12.43 12.11 0.15 42.86 03:32:01 AM 3 25.23 0.00 6.84 2.08 0.14 65.73 03:33:01 AM all 45.25 0.00 1.99 0.61 0.11 52.04 03:33:01 AM 0 46.32 0.00 2.33 0.67 0.12 50.56 03:33:01 AM 1 34.43 0.00 1.87 0.54 0.08 63.08 03:33:01 AM 2 63.42 0.00 2.18 0.42 0.13 33.85 03:33:01 AM 3 36.86 0.00 1.59 0.80 0.10 60.65 03:34:01 AM all 31.65 0.00 1.61 0.70 0.08 65.96 03:34:01 AM 0 32.30 0.00 0.78 0.07 0.07 66.78 03:34:01 AM 1 37.46 0.00 2.29 0.45 0.08 59.72 03:34:01 AM 2 32.30 0.00 2.31 2.06 0.07 63.27 03:34:01 AM 3 24.54 0.00 1.07 0.23 0.08 74.07 Average: all 34.47 0.02 3.80 2.28 0.11 59.33 Average: 0 33.21 0.01 3.65 2.40 0.11 60.62 Average: 1 37.90 0.01 4.32 2.45 0.11 55.22 Average: 2 37.98 0.03 4.38 3.29 0.11 54.22 Average: 3 28.80 0.01 2.84 0.97 0.11 67.27