---> uname -a: Linux prd-centos8-docker-4c-4g-1979.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 773 12197 20 2790 14646 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:39:c0:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.175/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85981sec preferred_lft 85981sec inet6 fe80::f816:3eff:fe39:c075/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6e:50:06:39 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) 11/02/2026 _x86_64_ (4 CPU) 09:30:12 LINUX RESTART (4 CPU) 09:31:01 AM tps rtps wtps bread/s bwrtn/s 09:32:01 AM 151.57 6.15 145.42 947.15 6883.76 09:33:01 AM 115.59 14.75 100.85 3252.78 8787.57 09:34:01 AM 176.96 7.08 169.88 1023.89 10822.49 09:35:01 AM 31.01 0.02 30.99 1.73 7813.55 09:36:01 AM 5.25 1.68 3.56 50.63 285.01 09:37:01 AM 8.68 1.35 7.33 99.72 387.04 Average: 81.51 5.17 76.34 895.96 5829.88 09:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:32:01 AM 13362272 15120916 2777036 17.21 2688 1976128 1089208 6.34 145252 2276872 136696 09:33:01 AM 12849368 14954712 3289940 20.38 2688 2312544 1317496 7.67 159548 2733776 178476 09:34:01 AM 11117992 13580144 5021316 31.11 2688 2661952 2466080 14.35 248372 4339600 222104 09:35:01 AM 10125160 12591984 6014148 37.26 2688 2666368 3277204 19.07 261564 5315620 2060 09:36:01 AM 9085588 11560960 7053720 43.71 2688 2674660 4307364 25.06 264248 6349852 2848 09:37:01 AM 12565344 15069976 3573964 22.14 2688 2702312 1089912 6.34 459352 2681452 41676 Average: 11517621 13813115 4621687 28.64 2688 2498994 2257877 13.14 256389 3949529 97310 09:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 115.16 80.92 1162.75 33.77 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 81.07 62.36 1011.63 11.50 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM eth0 366.35 310.00 4823.18 39.66 0.00 0.00 0.00 0.00 09:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM eth0 196.52 127.22 80.99 80.90 0.00 0.00 0.00 0.00 09:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 AM eth0 124.58 89.04 44.04 55.36 0.00 0.00 0.00 0.00 09:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 AM lo 6.48 6.48 0.79 0.79 0.00 0.00 0.00 0.00 09:37:01 AM eth0 25.81 22.00 48.31 9.58 0.00 0.00 0.00 0.00 09:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 151.59 115.26 1195.22 38.46 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) 11/02/2026 _x86_64_ (4 CPU) 09:30:12 LINUX RESTART (4 CPU) 09:31:01 AM CPU %user %nice %system %iowait %steal %idle 09:32:01 AM all 13.17 0.00 1.72 0.89 0.01 84.22 09:32:01 AM 0 11.75 0.00 2.43 2.24 0.00 83.57 09:32:01 AM 1 11.68 0.00 1.57 0.22 0.02 86.51 09:32:01 AM 2 8.38 0.00 1.29 0.57 0.02 89.75 09:32:01 AM 3 20.86 0.00 1.59 0.52 0.00 77.04 09:33:01 AM all 14.03 0.00 1.40 0.64 0.01 83.92 09:33:01 AM 0 10.82 0.00 1.30 0.87 0.02 86.99 09:33:01 AM 1 11.58 0.00 1.24 0.23 0.00 86.95 09:33:01 AM 2 18.03 0.00 1.59 0.67 0.00 79.71 09:33:01 AM 3 15.69 0.00 1.45 0.80 0.02 82.04 09:34:01 AM all 55.91 0.00 2.40 1.00 0.02 40.67 09:34:01 AM 0 55.60 0.00 3.08 1.29 0.02 40.02 09:34:01 AM 1 61.80 0.00 1.34 0.27 0.03 36.57 09:34:01 AM 2 56.84 0.00 2.66 1.61 0.02 38.87 09:34:01 AM 3 49.41 0.00 2.53 0.84 0.02 47.22 09:35:01 AM all 40.65 0.00 1.51 0.19 0.02 57.64 09:35:01 AM 0 44.08 0.00 0.90 0.10 0.00 54.92 09:35:01 AM 1 42.30 0.00 1.29 0.23 0.02 56.16 09:35:01 AM 2 41.53 0.00 1.67 0.23 0.03 56.53 09:35:01 AM 3 34.66 0.00 2.17 0.20 0.02 62.95 09:36:01 AM all 24.68 0.00 1.31 0.03 0.02 73.97 09:36:01 AM 0 13.53 0.00 1.32 0.00 0.02 85.13 09:36:01 AM 1 45.85 0.00 1.80 0.07 0.03 52.25 09:36:01 AM 2 21.90 0.00 0.95 0.05 0.00 77.10 09:36:01 AM 3 17.40 0.00 1.17 0.00 0.02 81.41 09:37:01 AM all 51.93 0.00 1.54 0.04 0.02 46.48 09:37:01 AM 0 44.30 0.00 1.00 0.02 0.02 54.67 09:37:01 AM 1 63.97 0.00 1.69 0.07 0.03 34.24 09:37:01 AM 2 44.65 0.00 1.50 0.03 0.02 53.80 09:37:01 AM 3 54.80 0.00 1.96 0.05 0.00 43.20 Average: all 33.39 0.00 1.64 0.47 0.01 64.48 Average: 0 30.02 0.00 1.67 0.75 0.01 67.55 Average: 1 39.53 0.00 1.49 0.18 0.02 58.78 Average: 2 31.89 0.00 1.61 0.53 0.01 65.96 Average: 3 32.13 0.00 1.81 0.40 0.01 65.65