---> uname -a: Linux prd-centos8-docker-4c-4g-2628.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1039 10800 20 3920 14371 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:43:34:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.200/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85898sec preferred_lft 85898sec inet6 fe80::f816:3eff:fe43:3414/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:91:c6:84:34 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 inet6 fe80::42:91ff:fec6:8434/64 scope link 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) 10/17/2026 _x86_64_ (4 CPU) 20:25:34 LINUX RESTART (4 CPU) 08:26:01 PM tps rtps wtps bread/s bwrtn/s 08:27:01 PM 326.72 125.42 201.30 14279.82 40090.40 08:28:01 PM 99.33 0.20 99.13 30.00 9490.67 08:29:01 PM 189.75 5.71 184.04 733.36 10364.76 08:30:01 PM 46.22 0.53 45.68 420.26 6937.14 08:31:01 PM 67.04 0.75 66.29 44.61 12143.12 08:32:01 PM 69.06 0.75 68.31 35.99 10605.65 08:33:01 PM 1190.43 95.12 1095.32 1697.98 28149.69 08:34:01 PM 68.91 24.01 44.90 475.31 2892.84 Average: 257.15 31.56 225.59 2214.50 15083.82 08:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:27:01 PM 13548612 15106900 2590704 16.05 2688 1786460 1175432 6.84 137948 2139744 30884 08:28:01 PM 13219460 15058112 2919856 18.09 2688 2053808 1167832 6.79 149684 2403632 95936 08:29:01 PM 11773132 13976736 4366184 27.05 2688 2406692 2228892 12.97 203252 3745344 178840 08:30:01 PM 11701728 13932312 4437588 27.50 2688 2432700 2561880 14.91 205384 3806856 80 08:31:01 PM 9636800 12222952 6502516 40.29 2688 2778104 4604676 26.79 285316 5744832 1312 08:32:01 PM 10513368 13963256 5625948 34.86 2688 3523808 1831268 10.65 423740 4519556 527904 08:33:01 PM 9648300 13239196 6491016 40.22 2688 3581400 1962168 11.42 473860 5089588 8 08:34:01 PM 11129244 14781828 5010072 31.04 2688 3637728 1142568 6.65 694396 3398172 6812 Average: 11396330 14035162 4742986 29.39 2688 2775088 2084340 12.13 321698 3855966 105222 08:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 PM eth0 268.03 158.48 1008.14 62.71 0.00 0.00 0.00 0.00 08:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 PM eth0 74.12 50.04 1162.70 7.25 0.00 0.00 0.00 0.00 08:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 PM eth0 293.27 245.83 3475.37 40.30 0.00 0.00 0.00 0.00 08:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 PM lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 08:30:01 PM eth0 9.93 7.93 98.26 1.41 0.00 0.00 0.00 0.00 08:30:01 PM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 08:30:01 PM vethed21683 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 08:31:01 PM lo 4.71 4.71 3.54 3.54 0.00 0.00 0.00 0.00 08:31:01 PM eth0 129.87 61.23 2171.08 6.15 0.00 0.00 0.00 0.00 08:31:01 PM docker0 2.88 2.63 3.14 0.39 0.00 0.00 0.00 0.00 08:31:01 PM vethed21683 0.20 0.25 0.01 0.01 0.00 0.00 0.00 0.00 08:31:01 PM vethd5f66d4 2.68 2.56 3.17 0.39 0.00 0.00 0.00 0.00 08:32:01 PM lo 1.72 1.72 1.07 1.07 0.00 0.00 0.00 0.00 08:32:01 PM eth0 182.82 154.47 1802.75 1201.18 0.00 0.00 0.00 0.00 08:32:01 PM docker0 0.58 0.52 0.95 0.06 0.00 0.00 0.00 0.00 08:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 PM eth0 5.83 4.13 59.00 1.17 0.00 0.00 0.00 0.00 08:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 PM eth0 23.21 19.46 51.35 41.13 0.00 0.00 0.00 0.00 08:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.83 0.83 0.58 0.58 0.00 0.00 0.00 0.00 Average: eth0 123.39 87.70 1228.70 170.15 0.00 0.00 0.00 0.00 Average: docker0 0.45 0.42 0.51 0.06 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) 10/17/2026 _x86_64_ (4 CPU) 20:25:34 LINUX RESTART (4 CPU) 08:26:01 PM CPU %user %nice %system %iowait %steal %idle 08:27:01 PM all 17.22 0.00 4.08 2.41 0.01 76.27 08:27:01 PM 0 12.53 0.00 4.11 1.68 0.00 81.68 08:27:01 PM 1 27.47 0.00 5.27 4.28 0.03 62.94 08:27:01 PM 2 16.78 0.00 2.75 0.69 0.02 79.78 08:27:01 PM 3 12.06 0.00 4.20 3.01 0.00 80.74 08:28:01 PM all 11.26 0.00 1.05 0.47 0.01 87.21 08:28:01 PM 0 4.44 0.00 0.53 0.53 0.00 94.49 08:28:01 PM 1 12.09 0.00 0.95 0.47 0.00 86.49 08:28:01 PM 2 7.20 0.00 0.80 0.57 0.00 91.42 08:28:01 PM 3 21.31 0.00 1.90 0.32 0.03 76.44 08:29:01 PM all 29.81 0.00 2.03 0.97 0.02 67.16 08:29:01 PM 0 34.66 0.00 2.24 0.62 0.02 62.46 08:29:01 PM 1 27.94 0.00 1.82 0.85 0.02 69.38 08:29:01 PM 2 28.82 0.00 1.91 1.17 0.02 68.09 08:29:01 PM 3 27.83 0.00 2.16 1.25 0.03 68.73 08:30:01 PM all 0.97 0.00 0.31 0.24 0.00 98.48 08:30:01 PM 0 0.73 0.00 0.27 0.10 0.00 98.90 08:30:01 PM 1 1.24 0.00 0.37 0.17 0.00 98.23 08:30:01 PM 2 1.15 0.00 0.32 0.62 0.00 97.91 08:30:01 PM 3 0.75 0.00 0.28 0.08 0.00 98.88 08:31:01 PM all 14.45 0.08 1.75 0.36 0.01 83.37 08:31:01 PM 0 14.89 0.03 1.68 0.35 0.02 83.03 08:31:01 PM 1 14.52 0.02 1.47 0.25 0.00 83.74 08:31:01 PM 2 15.04 0.03 1.93 0.54 0.02 82.45 08:31:01 PM 3 13.33 0.22 1.91 0.28 0.00 84.25 08:32:01 PM all 25.42 0.00 6.49 0.34 0.02 67.74 08:32:01 PM 0 18.07 0.00 6.27 0.27 0.02 75.37 08:32:01 PM 1 23.31 0.00 6.47 0.44 0.02 69.76 08:32:01 PM 2 20.65 0.00 5.73 0.52 0.02 73.07 08:32:01 PM 3 39.63 0.00 7.49 0.12 0.02 52.75 08:33:01 PM all 31.60 0.00 4.65 6.43 0.02 57.30 08:33:01 PM 0 41.82 0.00 5.49 7.35 0.02 45.33 08:33:01 PM 1 20.30 0.00 3.99 4.79 0.02 70.91 08:33:01 PM 2 20.12 0.00 4.21 6.44 0.00 69.23 08:33:01 PM 3 44.15 0.00 4.92 7.16 0.03 43.74 08:34:01 PM all 28.77 0.00 2.09 0.53 0.03 68.58 08:34:01 PM 0 47.83 0.00 3.19 0.58 0.05 48.35 08:34:01 PM 1 16.39 0.00 1.50 0.47 0.02 81.63 08:34:01 PM 2 19.60 0.00 1.75 0.47 0.02 78.17 08:34:01 PM 3 31.29 0.00 1.91 0.60 0.02 66.18 Average: all 19.92 0.01 2.80 1.47 0.01 75.79 Average: 0 21.87 0.00 2.97 1.43 0.01 73.71 Average: 1 17.90 0.00 2.72 1.47 0.01 77.90 Average: 2 16.16 0.00 2.42 1.37 0.01 80.03 Average: 3 23.77 0.03 3.09 1.60 0.02 71.50