---> uname -a: Linux prd-centos8-docker-4c-4g-142.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: 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): 0-3 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 783 12180 20 2796 14637 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:c8:e5:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.122/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85905sec preferred_lft 85905sec inet6 fe80::f816:3eff:fec8:e5ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d9:a4:0f:de 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) 08:54:41 LINUX RESTART (4 CPU) 08:56:01 AM tps rtps wtps bread/s bwrtn/s 08:57:01 AM 138.51 14.76 123.75 3204.80 10480.72 08:58:01 AM 94.47 4.23 90.23 264.36 9184.69 08:59:01 AM 43.10 1.42 41.69 660.45 1773.89 09:00:01 AM 77.88 1.72 76.17 103.13 3773.10 09:01:01 AM 23.94 0.02 23.92 0.13 6615.38 09:02:01 AM 3.10 0.10 3.00 2.30 192.89 09:03:01 AM 12.13 3.03 9.10 177.44 730.83 Average: 56.28 3.62 52.66 631.70 4688.70 08:56:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:57:01 AM 12857820 14953668 3281496 20.33 2688 2303636 1253932 7.30 159104 2728188 224892 08:58:01 AM 12656620 14817104 3482696 21.58 2688 2366020 1289848 7.50 166752 2909456 38536 08:59:01 AM 12047704 14280272 4091612 25.35 2688 2436472 1790920 10.42 209648 3466112 47684 09:00:01 AM 10857184 13329852 5282132 32.73 2688 2672412 2650036 15.42 261808 4585824 188916 09:01:01 AM 9298820 11778328 6840496 42.38 2688 2679032 5174856 30.11 263924 6138436 2584 09:02:01 AM 8900664 11385640 7238652 44.85 2688 2684348 5222160 30.38 264248 6535136 3868 09:03:01 AM 12541704 15053920 3597612 22.29 2688 2710016 1080208 6.28 460004 2706236 26352 Average: 11308645 13656969 4830671 29.93 2688 2550277 2637423 15.34 255070 4152770 76119 08:56:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:57:01 AM eth0 191.28 127.83 1644.50 20.28 0.00 0.00 0.00 0.00 08:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:58:01 AM eth0 134.99 119.26 843.44 18.32 0.00 0.00 0.00 0.00 08:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 AM eth0 91.75 73.91 795.63 10.91 0.00 0.00 0.00 0.00 08:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 AM eth0 296.47 240.92 3517.55 40.25 0.00 0.00 0.00 0.00 09:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:01:01 AM eth0 58.59 44.41 41.92 52.03 0.00 0.00 0.00 0.00 09:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:02:01 AM eth0 146.82 103.66 102.62 94.47 0.00 0.00 0.00 0.00 09:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:03:01 AM lo 6.55 6.55 0.80 0.80 0.00 0.00 0.00 0.00 09:03:01 AM eth0 19.75 19.55 10.90 19.53 0.00 0.00 0.00 0.00 09:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 0.11 0.11 0.00 0.00 0.00 0.00 Average: eth0 134.22 104.23 995.90 36.42 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) 08:54:41 LINUX RESTART (4 CPU) 08:56:01 AM CPU %user %nice %system %iowait %steal %idle 08:57:01 AM all 18.69 0.00 1.88 0.75 0.03 78.64 08:57:01 AM 0 8.49 0.00 1.23 0.70 0.03 89.54 08:57:01 AM 1 22.11 0.00 2.51 0.92 0.03 74.43 08:57:01 AM 2 12.90 0.00 1.07 0.50 0.03 85.49 08:57:01 AM 3 31.30 0.00 2.71 0.89 0.03 65.07 08:58:01 AM all 7.76 0.00 0.81 0.80 0.02 90.61 08:58:01 AM 0 6.72 0.00 0.67 0.43 0.02 92.16 08:58:01 AM 1 7.19 0.00 1.24 1.96 0.03 89.59 08:58:01 AM 2 6.83 0.00 0.67 0.32 0.02 92.17 08:58:01 AM 3 10.29 0.00 0.67 0.50 0.02 88.52 08:59:01 AM all 15.10 0.00 0.61 0.32 0.02 83.95 08:59:01 AM 0 10.31 0.00 0.97 0.50 0.03 88.19 08:59:01 AM 1 18.23 0.00 0.58 0.45 0.02 80.72 08:59:01 AM 2 18.73 0.00 0.27 0.10 0.02 80.89 08:59:01 AM 3 13.14 0.00 0.60 0.22 0.02 86.03 09:00:01 AM all 56.32 0.00 1.86 0.42 0.03 41.36 09:00:01 AM 0 58.49 0.00 2.01 0.12 0.03 39.35 09:00:01 AM 1 59.49 0.00 1.55 0.48 0.02 38.46 09:00:01 AM 2 52.42 0.00 1.81 0.45 0.05 45.28 09:00:01 AM 3 54.90 0.00 2.08 0.62 0.03 42.38 09:01:01 AM all 48.96 0.00 1.15 0.18 0.04 49.67 09:01:01 AM 0 40.38 0.00 1.60 0.08 0.03 57.90 09:01:01 AM 1 54.15 0.00 0.53 0.00 0.03 45.28 09:01:01 AM 2 43.12 0.00 1.50 0.62 0.03 54.72 09:01:01 AM 3 58.17 0.00 0.97 0.02 0.05 40.79 09:02:01 AM all 19.00 0.00 1.18 0.01 0.03 79.78 09:02:01 AM 0 14.74 0.00 1.22 0.02 0.03 83.99 09:02:01 AM 1 24.33 0.00 0.44 0.00 0.02 75.22 09:02:01 AM 2 25.89 0.00 1.58 0.02 0.03 72.48 09:02:01 AM 3 11.05 0.00 1.48 0.00 0.05 87.42 09:03:01 AM all 43.35 0.00 1.39 0.09 0.03 55.14 09:03:01 AM 0 38.38 0.00 1.32 0.07 0.05 60.18 09:03:01 AM 1 49.43 0.00 1.30 0.05 0.03 49.18 09:03:01 AM 2 48.74 0.00 1.47 0.15 0.02 49.62 09:03:01 AM 3 36.84 0.00 1.49 0.08 0.03 61.56 Average: all 29.91 0.00 1.27 0.37 0.03 68.42 Average: 0 25.38 0.00 1.29 0.28 0.03 73.02 Average: 1 33.59 0.00 1.17 0.55 0.03 64.67 Average: 2 29.81 0.00 1.19 0.31 0.03 68.66 Average: 3 30.86 0.00 1.43 0.33 0.03 67.35