---> uname -a: Linux prd-centos8-docker-4c-4g-1351.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 764 12093 20 2902 14657 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:d9:43:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.198/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fed9:431c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:13:ce:6f:50 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) 09/14/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 226.64 8.18 218.45 1707.49 7276.50 01:25:01 PM 260.33 19.03 241.30 4070.38 15129.89 01:26:01 PM 39.72 1.65 38.07 63.58 7991.59 Average: 175.28 9.63 165.65 1948.49 10148.61 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13209764 15126484 2929552 18.15 2688 2126264 1096872 6.38 138372 2411928 282348 01:25:01 PM 11661136 14031432 4478180 27.75 2688 2572048 2039896 11.87 242588 3809840 226596 01:26:01 PM 11313100 13687360 4826216 29.90 2688 2575932 2423372 14.10 255768 4141624 36 Average: 12061333 14281759 4077983 25.27 2688 2424748 1853380 10.78 212243 3454464 169660 01:23:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 160.71 95.70 1463.60 38.98 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 440.94 302.27 4646.48 69.73 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 26.86 26.86 5.21 5.21 0.00 0.00 0.00 0.00 01:26:01 PM eth0 18.28 13.36 8.30 20.72 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.05 9.05 1.75 1.75 0.00 0.00 0.00 0.00 Average: eth0 206.90 137.34 2042.68 43.17 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) 09/14/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.03 0.00 2.30 1.09 0.02 75.56 01:24:01 PM 0 16.81 0.00 2.30 1.51 0.03 79.34 01:24:01 PM 1 24.92 0.00 2.67 1.77 0.02 70.62 01:24:01 PM 2 22.52 0.00 2.31 0.48 0.02 74.67 01:24:01 PM 3 19.89 0.00 1.92 0.59 0.02 77.58 01:25:01 PM all 49.73 0.00 3.17 1.41 0.03 45.65 01:25:01 PM 0 47.68 0.00 3.34 1.34 0.02 47.63 01:25:01 PM 1 48.41 0.00 2.83 1.44 0.03 47.29 01:25:01 PM 2 51.00 0.00 3.80 1.56 0.05 43.59 01:25:01 PM 3 51.82 0.00 2.73 1.32 0.03 44.09 01:26:01 PM all 16.48 0.00 0.67 0.19 0.01 82.65 01:26:01 PM 0 13.86 0.00 1.05 0.13 0.02 84.94 01:26:01 PM 1 10.43 0.00 0.89 0.43 0.00 88.25 01:26:01 PM 2 20.68 0.00 0.42 0.05 0.00 78.85 01:26:01 PM 3 20.94 0.00 0.33 0.13 0.02 78.57 Average: all 29.11 0.00 2.05 0.90 0.02 67.93 Average: 0 26.14 0.00 2.23 0.99 0.02 70.62 Average: 1 27.93 0.00 2.12 1.21 0.02 68.71 Average: 2 31.44 0.00 2.17 0.69 0.02 65.67 Average: 3 30.93 0.00 1.66 0.68 0.02 66.70