---> uname -a: Linux prd-centos8-docker-4c-4g-4987.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 829 11874 20 3057 14582 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:c9:38:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.187/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fec9:3820/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e8:b3:2d:a2 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:e8ff:feb3:2da2/64 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) 09/25/2026 _x86_64_ (4 CPU) 09:02:24 LINUX RESTART (4 CPU) 09:03:01 AM tps rtps wtps bread/s bwrtn/s 09:04:01 AM 227.18 9.59 217.59 1387.11 8164.03 09:05:01 AM 235.39 6.88 228.52 1564.57 15395.84 09:06:01 AM 49.58 0.05 49.53 1.07 4206.51 09:07:01 AM 149.77 3.43 146.33 3258.51 21649.95 Average: 165.50 4.99 160.51 1552.80 12354.19 09:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:04:01 AM 13120956 15049508 3018360 18.70 2688 2139560 1171164 6.81 152748 2492196 283476 09:05:01 AM 11559576 13762892 4579740 28.38 2688 2405740 2402336 13.98 202528 3955272 116948 09:06:01 AM 12575720 14841868 3563596 22.08 2688 2468296 1627032 9.47 226420 2917536 63132 09:07:01 AM 12176924 14951532 3962392 24.55 2688 2962964 1196884 6.96 551036 2942468 7544 Average: 12358294 14651450 3781022 23.43 2688 2494140 1599354 9.31 283183 3076868 117775 09:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 AM eth0 203.98 126.24 1697.94 46.24 0.00 0.00 0.00 0.00 09:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 AM lo 18.69 18.69 2.75 2.75 0.00 0.00 0.00 0.00 09:05:01 AM eth0 504.28 356.20 2878.93 136.59 0.00 0.00 0.00 0.00 09:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 AM lo 36.04 36.04 3.96 3.96 0.00 0.00 0.00 0.00 09:06:01 AM eth0 2412.91 1468.99 1527.26 823.87 0.00 0.00 0.00 0.00 09:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 AM eth0 132.29 68.74 1886.81 68.26 0.00 0.00 0.00 0.00 09:07:01 AM docker0 6.65 5.00 26.20 1.36 0.00 0.00 0.00 0.00 Average: lo 13.68 13.68 1.68 1.68 0.00 0.00 0.00 0.00 Average: eth0 813.22 504.97 1997.88 268.69 0.00 0.00 0.00 0.00 Average: docker0 1.66 1.25 6.55 0.34 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) 09/25/2026 _x86_64_ (4 CPU) 09:02:24 LINUX RESTART (4 CPU) 09:03:01 AM CPU %user %nice %system %iowait %steal %idle 09:04:01 AM all 21.17 0.00 2.30 1.01 0.03 75.49 09:04:01 AM 0 20.23 0.00 2.59 0.33 0.03 76.81 09:04:01 AM 1 25.10 0.00 2.41 0.52 0.05 71.93 09:04:01 AM 2 13.80 0.00 1.74 2.18 0.02 82.25 09:04:01 AM 3 25.54 0.00 2.44 1.02 0.03 70.97 09:05:01 AM all 47.13 0.00 3.98 1.34 0.03 47.52 09:05:01 AM 0 46.09 0.00 3.33 0.99 0.02 49.57 09:05:01 AM 1 45.20 0.00 4.64 1.54 0.03 48.59 09:05:01 AM 2 47.10 0.00 4.78 1.91 0.03 46.18 09:05:01 AM 3 50.13 0.00 3.18 0.92 0.03 45.74 09:06:01 AM all 25.46 0.00 7.10 0.21 0.04 67.19 09:06:01 AM 0 23.54 0.00 7.90 0.57 0.05 67.93 09:06:01 AM 1 24.89 0.00 6.22 0.03 0.03 68.82 09:06:01 AM 2 27.11 0.00 7.05 0.15 0.03 65.65 09:06:01 AM 3 26.32 0.00 7.22 0.07 0.03 66.36 09:07:01 AM all 26.74 0.00 4.93 0.99 0.03 67.30 09:07:01 AM 0 16.15 0.00 3.93 0.52 0.03 79.36 09:07:01 AM 1 16.94 0.00 5.06 1.16 0.03 76.80 09:07:01 AM 2 30.15 0.00 4.69 1.01 0.03 64.11 09:07:01 AM 3 43.73 0.00 6.02 1.28 0.03 48.94 Average: all 30.14 0.00 4.57 0.89 0.03 64.37 Average: 0 26.51 0.00 4.44 0.60 0.03 68.42 Average: 1 28.06 0.00 4.58 0.81 0.04 66.51 Average: 2 29.55 0.00 4.56 1.32 0.03 64.54 Average: 3 36.44 0.00 4.71 0.82 0.03 58.00