---> uname -a: Linux prd-centos8-docker-4c-4g-16708.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 773 12188 20 2798 14647 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:c7:86:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.33/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86047sec preferred_lft 86047sec inet6 fe80::f816:3eff:fec7:86f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:20:c2:5f:f1 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/31/2026 _x86_64_ (4 CPU) 05:19:06 LINUX RESTART (4 CPU) 05:20:02 AM tps rtps wtps bread/s bwrtn/s 05:21:01 AM 223.06 19.53 203.52 4037.00 12856.45 05:22:01 AM 120.57 2.62 117.96 258.67 12563.55 05:23:01 AM 24.44 0.05 24.39 1.07 6656.01 05:24:01 AM 5.07 1.72 3.35 51.06 327.08 05:25:01 AM 17.98 1.53 16.44 142.35 1043.70 Average: 77.75 5.04 72.71 887.65 6669.36 05:20:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:21:01 AM 12455264 14685504 3684052 22.83 2688 2434600 1444420 8.40 176696 3099628 296924 05:22:01 AM 10741948 13217632 5397368 33.44 2688 2675472 2828540 16.46 261476 4700544 190140 05:23:01 AM 10070052 12549332 6069264 37.61 2688 2678944 3319576 19.31 261620 5371232 904 05:24:01 AM 9126148 11615564 7013168 43.45 2688 2688780 4241092 24.67 265604 6307236 1752 05:25:01 AM 12542664 15058388 3596652 22.29 2688 2713300 1060052 6.17 472632 2691680 25364 Average: 10987215 13425284 5152101 31.92 2688 2638219 2578736 15.00 287606 4434064 103017 05:20:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 252.09 208.69 3250.92 33.64 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 240.56 190.32 3500.48 29.93 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM eth0 140.49 96.02 61.88 70.62 0.00 0.00 0.00 0.00 05:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM eth0 62.71 55.92 27.37 34.57 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM lo 6.48 6.48 0.79 0.79 0.00 0.00 0.00 0.00 05:25:01 AM eth0 20.43 16.23 14.89 7.88 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 142.90 113.13 1365.00 35.33 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) 08/31/2026 _x86_64_ (4 CPU) 05:19:06 LINUX RESTART (4 CPU) 05:20:02 AM CPU %user %nice %system %iowait %steal %idle 05:21:01 AM all 27.66 0.00 2.49 1.19 0.02 68.64 05:21:01 AM 0 14.86 0.00 2.41 1.34 0.00 81.39 05:21:01 AM 1 46.80 0.00 3.76 1.22 0.03 48.18 05:21:01 AM 2 25.49 0.00 1.73 1.58 0.02 71.18 05:21:01 AM 3 23.51 0.00 2.08 0.61 0.02 73.78 05:22:01 AM all 63.08 0.00 1.86 0.52 0.02 34.53 05:22:01 AM 0 62.35 0.00 2.14 0.42 0.02 35.08 05:22:01 AM 1 56.11 0.00 1.86 0.58 0.02 41.43 05:22:01 AM 2 66.79 0.00 2.00 0.35 0.03 30.82 05:22:01 AM 3 67.07 0.00 1.44 0.72 0.00 30.77 05:23:01 AM all 22.94 0.00 1.49 0.14 0.01 75.42 05:23:01 AM 0 25.29 0.00 1.50 0.02 0.00 73.19 05:23:01 AM 1 16.73 0.00 2.05 0.55 0.02 80.64 05:23:01 AM 2 24.29 0.00 1.37 0.00 0.00 74.34 05:23:01 AM 3 25.44 0.00 1.05 0.00 0.02 73.49 05:24:01 AM all 34.58 0.00 1.17 0.03 0.01 64.21 05:24:01 AM 0 49.11 0.00 1.60 0.05 0.02 49.21 05:24:01 AM 1 28.38 0.00 1.22 0.03 0.00 70.37 05:24:01 AM 2 23.96 0.00 1.09 0.02 0.02 74.92 05:24:01 AM 3 36.87 0.00 0.77 0.00 0.02 62.35 05:25:01 AM all 43.41 0.00 1.80 0.06 0.02 54.72 05:25:01 AM 0 39.06 0.00 2.27 0.05 0.03 58.59 05:25:01 AM 1 47.40 0.00 1.72 0.10 0.02 50.76 05:25:01 AM 2 48.51 0.00 1.39 0.02 0.02 50.07 05:25:01 AM 3 38.64 0.00 1.81 0.07 0.02 59.47 Average: all 38.37 0.00 1.76 0.38 0.02 59.47 Average: 0 38.21 0.00 1.98 0.37 0.01 59.42 Average: 1 39.06 0.00 2.12 0.50 0.02 58.32 Average: 2 37.85 0.00 1.52 0.39 0.02 60.23 Average: 3 38.36 0.00 1.43 0.28 0.01 59.92