---> uname -a: Linux prd-centos8-docker-4c-4g-1478.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: 2799.998 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 800 12006 20 2954 14611 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:20:ed:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.84/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86096sec preferred_lft 86096sec inet6 fe80::f816:3eff:fe20:ed45/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:18:cd:16:e6 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::42:18ff:fecd:16e6/64 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) 10/14/2026 _x86_64_ (4 CPU) 05:37:22 LINUX RESTART (4 CPU) 05:38:01 AM tps rtps wtps bread/s bwrtn/s 05:39:01 AM 135.87 2.22 133.66 325.49 10709.75 05:40:01 AM 126.05 1.12 124.93 880.79 12680.77 05:41:01 AM 58.78 1.83 56.95 2938.22 2687.99 05:42:01 AM 96.78 1.57 95.22 423.12 18112.46 Average: 104.37 1.68 102.69 1141.89 11047.97 05:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:39:01 AM 12902340 14892440 3236976 20.06 2688 2198080 1490816 8.67 152148 2689736 228968 05:40:01 AM 12332008 14489972 3807308 23.59 2688 2360676 1659124 9.65 202296 3186008 31524 05:41:01 AM 12668872 15054028 3470444 21.50 2688 2584512 1236504 7.19 258652 2782756 126732 05:42:01 AM 12302396 14970288 3836920 23.77 2688 2855904 1210608 7.04 534952 2830712 7480 Average: 12551404 14851682 3587912 22.23 2688 2499793 1399263 8.14 287012 2872303 98676 05:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 AM eth0 166.78 118.89 1921.05 26.85 0.00 0.00 0.00 0.00 05:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 AM eth0 199.33 159.94 1569.58 41.85 0.00 0.00 0.00 0.00 05:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 AM eth0 120.89 73.78 1569.25 26.17 0.00 0.00 0.00 0.00 05:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:01 AM eth0 139.65 143.51 608.84 274.54 0.00 0.00 0.00 0.00 05:42:01 AM docker0 41.25 30.10 130.56 9.42 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 156.66 124.03 1417.14 92.36 0.00 0.00 0.00 0.00 Average: docker0 10.31 7.53 32.65 2.36 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) 10/14/2026 _x86_64_ (4 CPU) 05:37:22 LINUX RESTART (4 CPU) 05:38:01 AM CPU %user %nice %system %iowait %steal %idle 05:39:01 AM all 23.61 0.00 2.24 0.59 0.02 73.54 05:39:01 AM 0 39.80 0.00 3.78 1.00 0.03 55.39 05:39:01 AM 1 11.42 0.00 1.27 0.38 0.00 86.92 05:39:01 AM 2 27.13 0.00 2.59 0.67 0.03 69.57 05:39:01 AM 3 16.06 0.00 1.32 0.28 0.02 82.32 05:40:01 AM all 66.54 0.00 3.42 0.57 0.03 29.44 05:40:01 AM 0 66.62 0.00 3.36 0.27 0.03 29.72 05:40:01 AM 1 65.67 0.00 3.15 0.40 0.02 30.77 05:40:01 AM 2 67.69 0.00 4.18 0.91 0.02 27.21 05:40:01 AM 3 66.17 0.00 3.01 0.72 0.03 30.06 05:41:01 AM all 55.92 0.00 2.86 0.33 0.03 40.87 05:41:01 AM 0 52.29 0.00 2.92 0.18 0.02 44.59 05:41:01 AM 1 51.30 0.00 2.88 0.55 0.02 45.25 05:41:01 AM 2 62.47 0.00 3.04 0.38 0.03 34.07 05:41:01 AM 3 57.60 0.00 2.59 0.18 0.03 39.59 05:42:01 AM all 16.69 0.00 3.89 0.67 0.01 78.73 05:42:01 AM 0 27.21 0.00 4.49 0.45 0.05 67.80 05:42:01 AM 1 7.78 0.00 2.43 0.62 0.00 89.17 05:42:01 AM 2 16.47 0.00 4.68 0.52 0.00 78.33 05:42:01 AM 3 15.29 0.00 3.98 1.07 0.00 79.65 Average: all 40.70 0.00 3.10 0.54 0.02 55.64 Average: 0 46.48 0.00 3.64 0.48 0.03 49.37 Average: 1 34.05 0.00 2.43 0.49 0.01 63.02 Average: 2 43.45 0.00 3.62 0.62 0.02 52.28 Average: 3 38.80 0.00 2.73 0.57 0.02 57.89