---> uname -a: Linux prd-centos8-docker-4c-4g-17134.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: 2799.996 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1030 10809 20 3920 14380 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:f1:c5:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.113/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86091sec preferred_lft 86091sec inet6 fe80::f816:3eff:fef1:c53c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0d:f1:7d:d0 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:dff:fef1:7dd0/64 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) 09/01/2026 _x86_64_ (4 CPU) 11:51:43 LINUX RESTART (4 CPU) 11:52:01 AM tps rtps wtps bread/s bwrtn/s 11:53:01 AM 122.78 26.67 96.10 7032.87 24541.80 11:54:01 AM 232.52 5.80 226.72 759.35 15609.55 11:55:01 AM 173.47 1.92 171.55 469.15 29692.42 11:56:01 AM 1228.66 95.12 1133.54 1697.98 28995.75 Average: 439.30 32.37 406.93 2489.70 24710.12 11:52:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:53:01 AM 13326972 15109208 2812344 17.43 2688 1998756 1110300 6.46 144632 2313228 191724 11:54:01 AM 11597844 13816112 4541472 28.14 2688 2420584 2603892 15.15 207424 3910152 199868 11:55:01 AM 10625856 14020672 5513460 34.16 2688 3491828 1878248 10.93 354700 4504892 489444 11:56:01 AM 8991512 12582456 7147804 44.29 2688 3581424 2005664 11.67 404940 5809268 8 Average: 11135546 13882112 5003770 31.00 2688 2873148 1899526 11.05 277924 4134385 220261 11:52:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:53:01 AM eth0 262.70 180.66 1800.60 68.94 0.00 0.00 0.00 0.00 11:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:54:01 AM eth0 288.44 240.69 3920.42 38.77 0.00 0.00 0.00 0.00 11:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:55:01 AM lo 6.48 6.48 4.60 4.60 0.00 0.00 0.00 0.00 11:55:01 AM eth0 266.39 194.60 3984.84 32.81 0.00 0.00 0.00 0.00 11:55:01 AM docker0 3.51 3.30 4.09 0.46 0.00 0.00 0.00 0.00 11:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:56:01 AM eth0 4.98 4.18 59.06 1.17 0.00 0.00 0.00 0.00 11:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.62 1.62 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 205.64 155.04 2441.46 35.42 0.00 0.00 0.00 0.00 Average: docker0 0.88 0.82 1.02 0.12 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) 09/01/2026 _x86_64_ (4 CPU) 11:51:43 LINUX RESTART (4 CPU) 11:52:01 AM CPU %user %nice %system %iowait %steal %idle 11:53:01 AM all 24.23 0.00 3.47 6.23 0.03 66.04 11:53:01 AM 0 19.21 0.00 3.26 6.08 0.03 71.41 11:53:01 AM 1 26.68 0.00 3.87 10.49 0.03 58.93 11:53:01 AM 2 24.85 0.00 3.10 1.89 0.02 70.14 11:53:01 AM 3 26.19 0.00 3.67 6.45 0.02 63.68 11:54:01 AM all 37.98 0.00 2.64 2.55 0.02 56.81 11:54:01 AM 0 49.32 0.00 3.76 3.38 0.02 43.52 11:54:01 AM 1 38.23 0.00 2.48 3.63 0.02 55.64 11:54:01 AM 2 28.51 0.00 2.68 2.03 0.02 66.77 11:54:01 AM 3 35.86 0.00 1.62 1.15 0.03 61.33 11:55:01 AM all 37.06 0.11 7.69 0.90 0.03 54.21 11:55:01 AM 0 38.29 0.05 7.51 0.37 0.03 53.74 11:55:01 AM 1 45.97 0.17 9.21 1.48 0.03 43.13 11:55:01 AM 2 34.20 0.12 7.07 1.47 0.02 57.13 11:55:01 AM 3 29.76 0.10 6.99 0.25 0.02 62.89 11:56:01 AM all 34.18 0.00 6.28 7.64 0.03 51.88 11:56:01 AM 0 24.98 0.00 5.26 5.25 0.02 64.49 11:56:01 AM 1 25.62 0.00 7.65 9.26 0.03 57.44 11:56:01 AM 2 66.34 0.00 6.68 7.66 0.05 19.26 11:56:01 AM 3 19.87 0.00 5.52 8.37 0.00 66.23 Average: all 33.35 0.03 5.01 4.33 0.02 57.25 Average: 0 32.94 0.01 4.94 3.78 0.03 58.30 Average: 1 34.12 0.04 5.79 6.22 0.03 53.80 Average: 2 38.43 0.03 4.87 3.26 0.03 53.38 Average: 3 27.93 0.03 4.44 4.06 0.02 63.53