---> uname -a: Linux prd-centos8-docker-4c-4g-3708.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 768 12091 20 2901 14655 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:b4:19:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.50/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86069sec preferred_lft 86069sec inet6 fe80::f816:3eff:feb4:1965/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dd:cb:e5:6f 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/20/2026 _x86_64_ (4 CPU) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 254.42 112.56 141.86 12023.59 39164.00 01:25:01 PM 103.28 0.08 103.20 1.60 9760.82 01:26:01 PM 197.05 15.01 182.04 3221.33 9768.04 01:27:01 PM 73.52 6.16 67.36 1054.72 8924.23 01:28:01 PM 41.64 1.63 40.00 122.89 9482.87 Average: 133.98 27.09 106.89 3285.00 15420.32 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13539184 15098640 2600132 16.11 2688 1787336 1156928 6.73 135364 2151432 36332 01:25:01 PM 13112764 15043268 3026552 18.75 2688 2140932 1152652 6.71 152908 2492044 180884 01:26:01 PM 12500988 14809104 3638328 22.54 2688 2510908 1356472 7.89 193932 3028088 219292 01:27:01 PM 11144868 13519864 4994448 30.95 2688 2576396 2585536 15.04 255344 4312424 1764 01:28:01 PM 12419048 15045956 3720268 23.05 2688 2826156 1113296 6.48 539984 2754000 7560 Average: 12543370 14703366 3595946 22.28 2688 2368346 1472977 8.57 255506 2947598 89166 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 316.14 170.11 918.16 63.46 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 79.05 50.91 1146.62 7.09 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 328.59 265.79 4088.48 44.62 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 30.81 30.81 7.54 7.54 0.00 0.00 0.00 0.00 01:27:01 PM eth0 151.61 72.66 517.39 60.65 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 1.75 1.75 0.84 0.84 0.00 0.00 0.00 0.00 01:28:01 PM eth0 69.91 64.88 271.78 924.68 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.51 6.51 1.68 1.68 0.00 0.00 0.00 0.00 Average: eth0 189.06 124.87 1388.39 220.09 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 10/20/2026 _x86_64_ (4 CPU) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 15.05 0.00 2.79 2.32 0.01 79.82 01:24:01 PM 0 21.05 0.00 1.96 1.17 0.02 75.81 01:24:01 PM 1 12.85 0.00 4.21 7.06 0.02 75.87 01:24:01 PM 2 11.82 0.00 2.24 0.58 0.00 85.36 01:24:01 PM 3 14.49 0.00 2.77 0.47 0.02 82.25 01:25:01 PM all 12.73 0.00 1.21 0.48 0.01 85.57 01:25:01 PM 0 15.34 0.00 1.64 0.68 0.00 82.34 01:25:01 PM 1 19.10 0.00 1.57 0.50 0.03 78.80 01:25:01 PM 2 2.07 0.00 0.40 0.45 0.00 97.07 01:25:01 PM 3 14.37 0.00 1.22 0.30 0.02 84.09 01:26:01 PM all 19.45 0.00 2.21 1.05 0.01 77.28 01:26:01 PM 0 20.34 0.00 2.74 1.35 0.02 75.54 01:26:01 PM 1 18.71 0.00 2.14 0.77 0.02 78.36 01:26:01 PM 2 19.78 0.00 2.01 0.94 0.02 77.26 01:26:01 PM 3 18.95 0.00 1.96 1.14 0.00 77.96 01:27:01 PM all 46.38 0.00 1.71 0.72 0.02 51.17 01:27:01 PM 0 33.62 0.00 2.44 1.05 0.02 62.87 01:27:01 PM 1 40.80 0.00 2.55 0.70 0.02 55.93 01:27:01 PM 2 55.72 0.00 0.80 0.90 0.03 42.54 01:27:01 PM 3 55.36 0.00 1.03 0.22 0.02 43.37 01:28:01 PM all 17.66 0.00 1.69 0.31 0.02 80.32 01:28:01 PM 0 18.23 0.00 2.35 0.43 0.02 78.97 01:28:01 PM 1 20.33 0.00 1.59 0.38 0.02 77.68 01:28:01 PM 2 13.53 0.00 1.27 0.42 0.02 84.77 01:28:01 PM 3 18.56 0.00 1.54 0.02 0.02 79.87 Average: all 22.26 0.00 1.92 0.98 0.02 74.83 Average: 0 21.72 0.00 2.22 0.94 0.01 75.11 Average: 1 22.37 0.00 2.41 1.88 0.02 73.32 Average: 2 20.60 0.00 1.34 0.66 0.01 77.38 Average: 3 24.36 0.00 1.70 0.43 0.01 73.50