---> uname -a: Linux prd-centos8-docker-4c-4g-1589.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 788 12181 20 2791 14633 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:d9:e8:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.107/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86033sec preferred_lft 86033sec inet6 fe80::f816:3eff:fed9:e8f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a9:61:a7:56 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) 09/15/2026 _x86_64_ (4 CPU) 12:14:49 LINUX RESTART (4 CPU) 12:15:01 PM tps rtps wtps bread/s bwrtn/s 12:16:01 PM 316.41 67.47 248.94 8816.81 43556.04 12:17:01 PM 211.98 20.11 191.87 4127.18 15803.27 12:18:01 PM 100.47 3.40 97.07 153.71 11467.97 12:19:01 PM 12.21 1.10 11.11 85.69 707.55 12:20:01 PM 1.72 0.00 1.72 0.00 284.10 Average: 128.56 18.42 110.14 2636.92 14364.82 12:15:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:16:01 PM 13373324 15127948 2765984 17.14 2688 1971636 1085712 6.32 145372 2262956 157608 12:17:01 PM 12068200 14299364 4071108 25.22 2688 2435340 1840548 10.71 209988 3443200 99824 12:18:01 PM 10293188 12760724 5846120 36.22 2688 2667860 3269228 19.02 265824 5143704 10960 12:19:01 PM 8364388 10840808 7774920 48.17 2688 2676464 5027728 29.25 275140 7056540 2300 12:20:01 PM 8295720 10778592 7843588 48.60 2688 2682616 5124072 29.81 275436 7123204 924 Average: 10478964 12761487 5660344 35.07 2688 2486783 3269458 19.02 234352 5005921 54323 12:15:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:16:01 PM eth0 304.46 201.07 1786.74 69.92 0.00 0.00 0.00 0.00 12:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:17:01 PM eth0 252.17 199.42 2513.62 31.16 0.00 0.00 0.00 0.00 12:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:18:01 PM eth0 233.83 176.87 3414.95 32.63 0.00 0.00 0.00 0.00 12:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:19:01 PM lo 7.55 7.55 0.90 0.90 0.00 0.00 0.00 0.00 12:19:01 PM eth0 245.31 148.81 116.27 106.75 0.00 0.00 0.00 0.00 12:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 PM lo 1.50 1.50 0.12 0.12 0.00 0.00 0.00 0.00 12:20:01 PM eth0 239.98 166.86 87.28 84.75 0.00 0.00 0.00 0.00 12:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.81 1.81 0.20 0.20 0.00 0.00 0.00 0.00 Average: eth0 255.15 178.60 1583.69 65.04 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) 09/15/2026 _x86_64_ (4 CPU) 12:14:49 LINUX RESTART (4 CPU) 12:15:01 PM CPU %user %nice %system %iowait %steal %idle 12:16:01 PM all 24.30 0.00 4.31 6.92 0.03 64.44 12:16:01 PM 0 29.56 0.00 3.43 4.28 0.02 62.71 12:16:01 PM 1 19.14 0.00 4.71 5.60 0.02 70.54 12:16:01 PM 2 26.81 0.00 3.99 9.42 0.03 59.75 12:16:01 PM 3 21.70 0.00 5.13 8.39 0.03 64.75 12:17:01 PM all 34.94 0.00 2.24 1.16 0.04 61.61 12:17:01 PM 0 34.39 0.00 0.95 0.37 0.03 64.25 12:17:01 PM 1 38.41 0.00 3.50 2.06 0.07 55.97 12:17:01 PM 2 25.44 0.00 1.89 0.99 0.02 71.67 12:17:01 PM 3 41.54 0.00 2.61 1.24 0.05 54.57 12:18:01 PM all 68.77 0.00 1.88 0.44 0.05 28.87 12:18:01 PM 0 67.38 0.00 1.65 0.42 0.03 30.52 12:18:01 PM 1 52.80 0.00 2.69 0.47 0.03 44.01 12:18:01 PM 2 80.13 0.00 2.11 0.28 0.08 17.40 12:18:01 PM 3 74.75 0.00 1.05 0.58 0.05 23.56 12:19:01 PM all 38.28 0.00 1.74 0.04 0.05 59.90 12:19:01 PM 0 39.51 0.00 1.27 0.00 0.05 59.17 12:19:01 PM 1 40.20 0.00 2.34 0.02 0.07 57.38 12:19:01 PM 2 37.96 0.00 1.92 0.08 0.03 60.00 12:19:01 PM 3 35.44 0.00 1.42 0.07 0.03 63.04 12:20:01 PM all 20.78 0.00 1.40 0.02 0.03 77.78 12:20:01 PM 0 15.11 0.00 1.24 0.02 0.02 83.61 12:20:01 PM 1 32.42 0.00 1.79 0.02 0.03 65.74 12:20:01 PM 2 17.97 0.00 1.29 0.02 0.03 80.69 12:20:01 PM 3 17.61 0.00 1.27 0.02 0.02 81.09 Average: all 37.43 0.00 2.31 1.71 0.04 58.51 Average: 0 37.20 0.00 1.71 1.02 0.03 60.05 Average: 1 36.60 0.00 3.00 1.63 0.04 58.72 Average: 2 37.68 0.00 2.24 2.16 0.04 57.89 Average: 3 38.23 0.00 2.29 2.05 0.04 57.39