---> uname -a: Linux prd-centos8-docker-4c-4g-3905.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 786 12070 20 2904 14636 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:bc:da:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.88/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:febc:da4e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6b:59:18:64 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) 09/21/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 184.87 14.98 169.89 3225.46 10950.75 01:25:01 PM 183.75 6.23 177.52 1056.49 16865.37 01:26:01 PM 29.63 1.45 28.18 91.72 719.76 Average: 132.75 7.55 125.20 1457.99 9512.04 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12778508 14881888 3360808 20.82 2688 2310104 1348720 7.85 187596 2773460 221996 01:25:01 PM 11408352 13783988 4730964 29.31 2688 2577244 2305260 13.41 255252 4047136 2376 01:26:01 PM 12366080 14993960 3773236 23.38 2688 2827376 1159904 6.75 529560 2819192 264584 Average: 12184313 14553279 3955003 24.51 2688 2571575 1604628 9.34 324136 3213263 162985 01:23:01 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 167.48 120.74 2014.63 30.32 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 13.18 13.18 3.56 3.56 0.00 0.00 0.00 0.00 01:25:01 PM eth0 370.42 256.69 3732.54 60.27 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 15.81 15.81 2.52 2.52 0.00 0.00 0.00 0.00 01:26:01 PM eth0 89.69 81.50 277.27 939.82 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 9.66 9.66 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 209.19 152.98 2008.15 343.45 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) 09/21/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.53 0.00 2.41 0.93 0.02 71.11 01:24:01 PM 0 33.71 0.00 3.27 1.10 0.02 61.90 01:24:01 PM 1 18.97 0.00 2.24 0.92 0.02 77.86 01:24:01 PM 2 14.76 0.00 1.74 0.70 0.02 82.78 01:24:01 PM 3 34.67 0.00 2.37 0.99 0.02 61.95 01:25:01 PM all 48.04 0.00 2.12 0.92 0.03 48.90 01:25:01 PM 0 41.20 0.00 2.07 0.70 0.02 56.01 01:25:01 PM 1 40.89 0.00 2.96 1.12 0.02 55.01 01:25:01 PM 2 58.86 0.00 1.19 0.90 0.05 39.00 01:25:01 PM 3 51.19 0.00 2.25 0.95 0.02 45.59 01:26:01 PM all 16.44 0.00 1.49 0.13 0.01 81.94 01:26:01 PM 0 14.69 0.00 1.47 0.03 0.00 83.80 01:26:01 PM 1 13.10 0.00 0.99 0.10 0.00 85.81 01:26:01 PM 2 12.74 0.00 1.86 0.32 0.00 85.09 01:26:01 PM 3 25.21 0.00 1.65 0.05 0.03 73.05 Average: all 30.00 0.00 2.01 0.66 0.02 67.32 Average: 0 29.87 0.00 2.27 0.61 0.01 67.24 Average: 1 24.32 0.00 2.06 0.71 0.01 72.90 Average: 2 28.80 0.00 1.59 0.64 0.02 68.94 Average: 3 37.03 0.00 2.09 0.66 0.02 60.19