---> uname -a: Linux prd-centos8-docker-8c-8g-1471.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1063 27222 20 3602 30361 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:4c:f3:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.222/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe4c:f34c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3d:93:5b:18 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::42:3dff:fe93:5b18/64 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) 09/15/2026 _x86_64_ (8 CPU) 03:37:23 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 119.43 2.62 116.81 1618.53 9186.67 03:40:01 AM 402.93 16.51 386.42 2755.54 14362.94 03:41:01 AM 254.79 2.17 252.62 90.22 28222.54 Average: 259.04 7.10 251.94 1487.95 17258.15 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29347916 31262788 3305456 10.12 2688 2233368 1362916 4.04 149808 2696448 229696 03:40:01 AM 28313088 30583596 4340284 13.29 2688 2578796 1916252 5.69 231192 3603028 178496 03:41:01 AM 26232368 29468688 6421004 19.66 2688 3532256 3401284 10.09 487504 5370104 329036 Average: 27964457 30438357 4688915 14.36 2688 2781473 2226817 6.61 289501 3889860 245743 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 126.12 91.52 1615.18 28.13 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 468.51 404.55 4079.00 59.78 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 661.09 491.90 9366.65 54.86 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 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 418.58 329.33 5020.57 47.59 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 09/15/2026 _x86_64_ (8 CPU) 03:37:23 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 8.34 0.00 0.89 0.30 0.02 90.46 03:39:01 AM 0 6.93 0.00 0.68 0.07 0.03 92.29 03:39:01 AM 1 12.58 0.00 1.23 0.20 0.02 85.97 03:39:01 AM 2 1.22 0.00 0.37 0.20 0.02 98.19 03:39:01 AM 3 7.54 0.00 1.25 0.69 0.02 90.51 03:39:01 AM 4 1.14 0.00 0.57 0.32 0.02 97.96 03:39:01 AM 5 15.50 0.00 1.03 0.23 0.02 83.21 03:39:01 AM 6 12.37 0.00 1.03 0.50 0.02 86.08 03:39:01 AM 7 9.39 0.00 0.90 0.20 0.02 89.49 03:40:01 AM all 20.10 0.00 1.58 1.22 0.05 77.06 03:40:01 AM 0 22.62 0.00 1.54 0.80 0.05 74.98 03:40:01 AM 1 25.43 0.00 1.35 0.82 0.05 72.34 03:40:01 AM 2 17.91 0.00 1.64 0.90 0.05 79.49 03:40:01 AM 3 15.64 0.00 1.88 1.17 0.05 81.26 03:40:01 AM 4 18.18 0.00 1.71 1.88 0.03 78.20 03:40:01 AM 5 18.01 0.00 1.71 0.84 0.05 79.39 03:40:01 AM 6 22.82 0.00 0.87 0.60 0.05 75.66 03:40:01 AM 7 20.14 0.00 1.94 2.71 0.05 75.16 03:41:01 AM all 24.92 0.00 2.01 0.85 0.04 72.18 03:41:01 AM 0 36.51 0.00 1.34 0.27 0.02 61.87 03:41:01 AM 1 24.48 0.00 1.65 0.57 0.03 73.27 03:41:01 AM 2 11.76 0.00 1.65 0.20 0.05 86.34 03:41:01 AM 3 22.49 0.00 2.18 1.09 0.03 74.20 03:41:01 AM 4 35.25 0.00 2.34 0.72 0.05 61.64 03:41:01 AM 5 22.77 0.00 3.01 2.77 0.07 71.38 03:41:01 AM 6 31.39 0.00 2.50 1.07 0.05 64.98 03:41:01 AM 7 14.64 0.00 1.38 0.13 0.05 83.80 Average: all 17.77 0.00 1.49 0.79 0.04 79.91 Average: 0 22.00 0.00 1.19 0.38 0.03 76.40 Average: 1 20.82 0.00 1.41 0.53 0.03 77.21 Average: 2 10.29 0.00 1.22 0.44 0.04 88.02 Average: 3 15.21 0.00 1.77 0.98 0.03 82.00 Average: 4 18.18 0.00 1.54 0.97 0.03 79.28 Average: 5 18.76 0.00 1.91 1.28 0.04 78.01 Average: 6 22.17 0.00 1.47 0.72 0.04 75.60 Average: 7 14.72 0.00 1.41 1.02 0.04 82.82