---> uname -a: Linux prd-centos8-docker-4c-4g-2747.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 1045 10842 20 3873 14365 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:b1:da:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.152/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85918sec preferred_lft 85918sec inet6 fe80::f816:3eff:feb1:da51/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:90:96:ff:45 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::42:90ff:fe96:ff45/64 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) 11/12/2026 _x86_64_ (4 CPU) 08:12:50 LINUX RESTART (4 CPU) 08:14:01 AM tps rtps wtps bread/s bwrtn/s 08:15:01 AM 61.25 0.42 60.83 39.32 4532.57 08:16:01 AM 218.75 5.58 213.16 748.01 13579.49 08:17:01 AM 61.20 0.82 60.38 435.05 8328.07 08:18:01 AM 21.93 0.00 21.93 0.00 3067.44 08:19:01 AM 86.80 0.55 86.25 30.66 17141.26 08:20:01 AM 1226.91 95.07 1131.84 1697.58 29697.33 08:21:01 AM 63.04 23.87 39.16 475.90 2019.87 Average: 248.53 18.04 230.49 489.48 11194.29 08:14:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:15:01 AM 13342668 15131576 2796640 17.33 2688 2005884 1087380 6.33 140612 2300540 174292 08:16:01 AM 12326992 14507168 3812316 23.62 2688 2382984 1584092 9.22 184556 3208264 212908 08:17:01 AM 11482416 13696844 4656892 28.85 2688 2415952 2768404 16.11 208300 4018384 56 08:18:01 AM 11105796 13663304 5033512 31.19 2688 2750052 2805724 16.32 208424 4360996 258140 08:19:01 AM 11001496 14115300 5137812 31.83 2688 3243916 1868740 10.87 344192 4202356 298236 08:20:01 AM 9724320 13265940 6414988 39.75 2688 3531164 1963616 11.42 394152 5089808 16 08:21:01 AM 11118420 14728116 5020888 31.11 2688 3593792 1188520 6.91 614324 3483800 30564 Average: 11443158 14158321 4696150 29.10 2688 2846249 1895211 11.03 299223 3809164 139173 08:14:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 AM eth0 56.00 37.17 902.78 5.87 0.00 0.00 0.00 0.00 08:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 AM eth0 280.32 222.71 3374.99 36.81 0.00 0.00 0.00 0.00 08:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 08:17:01 AM eth0 25.74 15.49 186.59 3.14 0.00 0.00 0.00 0.00 08:17:01 AM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 08:17:01 AM vethe65579e 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 08:18:01 AM lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 08:18:01 AM eth0 159.41 64.76 2176.47 5.56 0.00 0.00 0.00 0.00 08:18:01 AM docker0 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 08:18:01 AM vethe65579e 0.15 0.20 0.01 0.01 0.00 0.00 0.00 0.00 08:19:01 AM lo 7.32 7.32 5.26 5.26 0.00 0.00 0.00 0.00 08:19:01 AM eth0 125.51 104.90 1222.94 18.60 0.00 0.00 0.00 0.00 08:19:01 AM docker0 3.30 3.10 4.09 0.44 0.00 0.00 0.00 0.00 08:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 AM eth0 53.04 29.96 560.06 6.51 0.00 0.00 0.00 0.00 08:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 AM eth0 25.55 19.42 54.00 8.91 0.00 0.00 0.00 0.00 08:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.75 0.75 0.00 0.00 0.00 0.00 Average: eth0 103.65 70.63 1211.05 12.20 0.00 0.00 0.00 0.00 Average: docker0 0.50 0.49 0.59 0.07 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) 11/12/2026 _x86_64_ (4 CPU) 08:12:50 LINUX RESTART (4 CPU) 08:14:01 AM CPU %user %nice %system %iowait %steal %idle 08:15:01 AM all 8.69 0.00 0.83 0.30 0.01 90.17 08:15:01 AM 0 10.23 0.00 0.87 0.23 0.02 88.66 08:15:01 AM 1 14.53 0.00 1.33 0.50 0.02 83.61 08:15:01 AM 2 6.34 0.00 0.57 0.12 0.00 92.97 08:15:01 AM 3 3.64 0.00 0.53 0.35 0.02 95.45 08:16:01 AM all 26.21 0.00 2.13 1.27 0.02 70.37 08:16:01 AM 0 23.27 0.00 2.27 1.72 0.02 72.72 08:16:01 AM 1 24.22 0.00 1.39 0.82 0.02 73.56 08:16:01 AM 2 35.12 0.00 2.22 0.74 0.05 61.88 08:16:01 AM 3 22.21 0.00 2.63 1.82 0.00 73.34 08:17:01 AM all 11.11 0.00 0.60 1.11 0.01 87.16 08:17:01 AM 0 12.26 0.00 0.79 1.19 0.00 85.76 08:17:01 AM 1 8.18 0.00 0.58 0.95 0.02 90.27 08:17:01 AM 2 12.46 0.00 0.40 1.24 0.00 85.91 08:17:01 AM 3 11.55 0.00 0.62 1.09 0.03 86.72 08:18:01 AM all 2.38 0.00 0.90 0.14 0.01 96.56 08:18:01 AM 0 2.49 0.00 0.77 0.12 0.02 96.60 08:18:01 AM 1 2.59 0.00 0.75 0.10 0.02 96.53 08:18:01 AM 2 2.23 0.00 0.95 0.03 0.02 96.77 08:18:01 AM 3 2.19 0.00 1.14 0.32 0.00 96.35 08:19:01 AM all 28.54 0.11 3.94 0.77 0.02 66.61 08:19:01 AM 0 25.68 0.05 3.23 0.29 0.02 70.74 08:19:01 AM 1 28.10 0.13 3.57 1.23 0.00 66.98 08:19:01 AM 2 35.44 0.08 5.38 0.72 0.03 58.34 08:19:01 AM 3 24.94 0.19 3.58 0.86 0.03 70.40 08:20:01 AM all 29.71 0.00 6.63 7.63 0.03 56.00 08:20:01 AM 0 17.55 0.00 6.84 7.54 0.02 68.05 08:20:01 AM 1 22.35 0.00 6.33 7.78 0.02 63.52 08:20:01 AM 2 59.83 0.00 7.34 8.03 0.05 24.74 08:20:01 AM 3 19.09 0.00 6.00 7.15 0.03 67.73 08:21:01 AM all 30.07 0.00 2.21 0.54 0.02 67.16 08:21:01 AM 0 23.69 0.00 2.02 0.47 0.00 73.82 08:21:01 AM 1 31.59 0.00 2.37 0.74 0.03 65.27 08:21:01 AM 2 28.65 0.00 2.20 0.25 0.02 68.88 08:21:01 AM 3 36.35 0.00 2.24 0.70 0.03 60.67 Average: all 19.51 0.02 2.46 1.68 0.02 76.32 Average: 0 16.45 0.01 2.39 1.65 0.01 79.49 Average: 1 18.78 0.02 2.33 1.72 0.02 77.13 Average: 2 25.68 0.01 2.72 1.58 0.02 69.98 Average: 3 17.13 0.03 2.38 1.75 0.02 78.69