---> uname -a: Linux prd-centos8-docker-4c-4g-2975.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 745 12117 20 2897 14676 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:f0:8c:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.137/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fef0:8cf2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f4:ee:d4:33 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) 10/19/2026 _x86_64_ (4 CPU) 01:26:01 LINUX RESTART (4 CPU) 01:27:01 AM tps rtps wtps bread/s bwrtn/s 01:28:01 AM 58.00 0.33 57.66 32.52 5489.40 01:29:01 AM 141.63 14.68 126.95 3204.13 12757.15 01:30:01 AM 183.11 6.23 176.87 1055.65 11755.83 01:31:01 AM 39.57 0.87 38.70 67.31 8870.43 Average: 105.58 5.53 100.05 1089.99 9718.33 01:27:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:28:01 AM 13405592 15142696 2733716 16.94 2688 1954788 1103636 6.42 138928 2239864 137764 01:29:01 AM 12935788 15025084 3203520 19.85 2688 2297196 1409616 8.20 179740 2619712 70320 01:30:01 AM 11458052 13825940 4681256 29.01 2688 2569752 2392596 13.92 250328 4000296 8064 01:31:01 AM 12398212 15017528 3741096 23.18 2688 2818520 1150264 6.69 534760 2777708 23408 Average: 12549411 14752812 3589897 22.24 2688 2410064 1514028 8.81 275939 2909395 59889 01:27:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 64.30 40.87 954.72 6.76 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 109.91 79.19 1183.27 16.71 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 17.16 17.16 4.04 4.04 0.00 0.00 0.00 0.00 01:30:01 AM eth0 295.55 240.62 3779.25 54.43 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 14.65 14.65 4.24 4.24 0.00 0.00 0.00 0.00 01:31:01 AM eth0 76.56 59.95 277.74 36.25 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.95 7.95 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 136.58 105.16 1548.73 28.54 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) 10/19/2026 _x86_64_ (4 CPU) 01:26:01 LINUX RESTART (4 CPU) 01:27:01 AM CPU %user %nice %system %iowait %steal %idle 01:28:01 AM all 9.69 0.00 1.00 0.31 0.00 89.00 01:28:01 AM 0 4.27 0.00 0.52 0.23 0.00 94.98 01:28:01 AM 1 9.70 0.00 1.22 0.42 0.02 88.65 01:28:01 AM 2 17.74 0.00 1.49 0.42 0.00 80.36 01:28:01 AM 3 7.05 0.00 0.77 0.18 0.00 92.00 01:29:01 AM all 16.62 0.00 1.71 0.78 0.01 80.87 01:29:01 AM 0 8.81 0.00 1.04 0.43 0.02 89.70 01:29:01 AM 1 23.23 0.00 2.04 1.07 0.00 73.66 01:29:01 AM 2 12.44 0.00 1.49 1.16 0.02 84.90 01:29:01 AM 3 22.01 0.00 2.29 0.45 0.02 75.24 01:30:01 AM all 51.85 0.00 2.26 0.92 0.02 44.95 01:30:01 AM 0 47.43 0.00 2.63 0.54 0.00 49.41 01:30:01 AM 1 57.35 0.00 2.24 0.87 0.02 39.52 01:30:01 AM 2 39.97 0.00 2.46 1.59 0.00 55.98 01:30:01 AM 3 62.63 0.00 1.72 0.67 0.05 34.93 01:31:01 AM all 21.27 0.00 2.18 0.32 0.01 76.22 01:31:01 AM 0 24.47 0.00 2.73 0.33 0.02 72.45 01:31:01 AM 1 27.77 0.00 2.47 0.17 0.02 69.58 01:31:01 AM 2 20.08 0.00 1.92 0.74 0.02 77.25 01:31:01 AM 3 12.77 0.00 1.59 0.05 0.00 85.59 Average: all 24.85 0.00 1.79 0.58 0.01 72.77 Average: 0 21.24 0.00 1.73 0.38 0.01 76.65 Average: 1 29.51 0.00 1.99 0.63 0.01 67.86 Average: 2 22.55 0.00 1.84 0.97 0.01 74.63 Average: 3 26.10 0.00 1.59 0.34 0.02 71.95