---> uname -a: Linux prd-centos8-docker-4c-4g-125.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 12193 20 2798 14652 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:d5:1e:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.215/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86015sec preferred_lft 86015sec inet6 fe80::f816:3eff:fed5:1e82/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1b:67:2c:5d 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) 09/09/2026 _x86_64_ (4 CPU) 08:00:16 LINUX RESTART (4 CPU) 08:01:01 AM tps rtps wtps bread/s bwrtn/s 08:02:01 AM 267.50 30.67 236.83 7520.88 43189.73 08:03:01 AM 211.66 20.18 191.49 4126.49 15620.84 08:04:01 AM 102.13 1.77 100.37 104.20 5867.14 08:05:01 AM 16.84 0.00 16.84 0.00 6392.90 08:06:01 AM 2.88 1.73 1.15 51.57 237.78 08:07:01 AM 19.48 1.77 17.71 147.95 1006.05 Average: 103.43 9.35 94.08 1992.30 12055.19 08:01:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:02:01 AM 13345524 15117120 2793792 17.31 2688 1987888 1111672 6.47 144724 2292996 160600 08:03:01 AM 12064548 14300472 4074768 25.25 2688 2439824 1804124 10.50 207692 3450948 96400 08:04:01 AM 10688056 13164764 5451260 33.78 2688 2676312 2821748 16.42 260496 4756624 184640 08:05:01 AM 9339084 11821880 6800232 42.13 2688 2682228 4062016 23.63 262456 6098852 2432 08:06:01 AM 9227040 11716972 6912276 42.83 2688 2689192 4109312 23.91 264512 6208652 1424 08:07:01 AM 12526528 15043604 3612788 22.39 2688 2714636 1123328 6.54 471952 2708248 26736 Average: 11198463 13527469 4940853 30.61 2688 2531680 2505367 14.58 268639 4252720 78705 08:01:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 AM eth0 277.86 205.79 1878.26 68.32 0.00 0.00 0.00 0.00 08:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 AM eth0 265.21 209.96 2444.37 36.87 0.00 0.00 0.00 0.00 08:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 315.21 239.14 3518.09 39.74 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 68.98 51.38 50.93 57.57 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 117.87 78.74 74.26 67.99 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 6.51 6.51 0.80 0.80 0.00 0.00 0.00 0.00 08:07:01 AM eth0 25.17 23.93 16.12 20.78 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 178.40 134.84 1330.49 48.55 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) 09/09/2026 _x86_64_ (4 CPU) 08:00:16 LINUX RESTART (4 CPU) 08:01:01 AM CPU %user %nice %system %iowait %steal %idle 08:02:01 AM all 24.77 0.00 3.83 2.34 0.02 69.04 08:02:01 AM 0 26.03 0.00 4.27 0.97 0.03 68.70 08:02:01 AM 1 22.28 0.00 3.86 3.41 0.02 70.43 08:02:01 AM 2 26.83 0.00 3.50 2.09 0.02 67.56 08:02:01 AM 3 23.92 0.00 3.69 2.90 0.02 69.47 08:03:01 AM all 33.40 0.00 2.40 1.18 0.05 62.97 08:03:01 AM 0 29.06 0.00 3.02 1.92 0.07 65.93 08:03:01 AM 1 26.49 0.00 1.77 0.59 0.05 71.10 08:03:01 AM 2 28.58 0.00 1.62 0.77 0.05 68.98 08:03:01 AM 3 49.48 0.00 3.18 1.44 0.03 45.87 08:04:01 AM all 61.97 0.00 1.99 0.58 0.03 35.42 08:04:01 AM 0 58.02 0.00 1.62 0.37 0.03 39.96 08:04:01 AM 1 62.01 0.00 1.89 0.33 0.05 35.72 08:04:01 AM 2 67.83 0.00 2.46 0.45 0.03 29.23 08:04:01 AM 3 60.02 0.00 2.00 1.19 0.02 36.77 08:05:01 AM all 40.17 0.00 1.31 0.17 0.02 58.34 08:05:01 AM 0 25.56 0.00 1.72 0.62 0.02 72.08 08:05:01 AM 1 48.36 0.00 0.77 0.00 0.00 50.87 08:05:01 AM 2 44.29 0.00 1.35 0.03 0.03 54.29 08:05:01 AM 3 42.45 0.00 1.39 0.02 0.03 56.12 08:06:01 AM all 22.17 0.00 1.13 0.02 0.02 76.66 08:06:01 AM 0 12.63 0.00 1.50 0.02 0.02 85.83 08:06:01 AM 1 17.13 0.00 0.87 0.00 0.02 81.98 08:06:01 AM 2 18.44 0.00 1.29 0.00 0.00 80.27 08:06:01 AM 3 40.47 0.00 0.87 0.07 0.03 58.56 08:07:01 AM all 44.63 0.00 1.95 0.09 0.04 53.29 08:07:01 AM 0 26.46 0.00 1.57 0.20 0.03 71.73 08:07:01 AM 1 39.72 0.00 1.75 0.02 0.03 58.47 08:07:01 AM 2 38.07 0.00 1.76 0.05 0.05 60.07 08:07:01 AM 3 74.26 0.00 2.71 0.08 0.05 22.90 Average: all 37.86 0.00 2.10 0.73 0.03 59.28 Average: 0 29.63 0.00 2.28 0.68 0.03 67.37 Average: 1 36.00 0.00 1.82 0.72 0.03 61.43 Average: 2 37.34 0.00 2.00 0.57 0.03 60.07 Average: 3 48.45 0.00 2.30 0.95 0.03 48.27