---> uname -a: Linux prd-centos8-docker-4c-4g-15567.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: 2799.996 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 814 12045 20 2900 14608 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:0e:ec:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.191/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fe0e:ec81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d3:bd:58:60 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) 08/26/2026 _x86_64_ (4 CPU) 22:57:22 LINUX RESTART (4 CPU) 10:58:01 PM tps rtps wtps bread/s bwrtn/s 10:59:01 PM 170.93 14.93 156.00 3129.89 10931.86 11:00:01 PM 197.18 6.26 190.92 1080.31 16756.06 11:01:01 PM 27.67 0.57 27.11 21.86 790.85 Average: 131.93 7.25 124.68 1410.69 9492.92 10:58:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:59:01 PM 12851824 14944252 3287492 20.37 2688 2300020 1474012 8.58 181400 2709524 218200 11:00:01 PM 11300532 13671732 4838784 29.98 2688 2572848 2454256 14.28 249908 4158940 12308 11:01:01 PM 12353344 14966624 3785972 23.46 2688 2813420 1207812 7.03 518368 2840300 246444 Average: 12168567 14527536 3970749 24.60 2688 2562096 1712027 9.96 316559 3236255 158984 10:58:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:59:01 PM eth0 155.45 114.21 2004.02 21.83 0.00 0.00 0.00 0.00 10:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 PM lo 11.50 11.50 3.41 3.41 0.00 0.00 0.00 0.00 11:00:01 PM eth0 347.42 266.09 3801.91 58.19 0.00 0.00 0.00 0.00 11:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:01:01 PM lo 17.08 17.08 2.65 2.65 0.00 0.00 0.00 0.00 11:01:01 PM eth0 59.71 48.98 276.81 31.63 0.00 0.00 0.00 0.00 11:01:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.52 9.52 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 187.53 143.10 2027.58 37.22 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) 08/26/2026 _x86_64_ (4 CPU) 22:57:22 LINUX RESTART (4 CPU) 10:58:01 PM CPU %user %nice %system %iowait %steal %idle 10:59:01 PM all 25.55 0.00 2.57 0.89 0.02 70.97 10:59:01 PM 0 13.17 0.00 1.81 0.60 0.02 84.40 10:59:01 PM 1 25.59 0.00 2.39 1.32 0.00 70.70 10:59:01 PM 2 27.18 0.00 2.48 0.70 0.02 69.63 10:59:01 PM 3 36.28 0.00 3.60 0.95 0.03 59.13 11:00:01 PM all 50.51 0.00 2.33 1.10 0.02 46.04 11:00:01 PM 0 43.43 0.00 2.64 0.64 0.00 53.29 11:00:01 PM 1 58.47 0.00 2.31 1.15 0.03 38.03 11:00:01 PM 2 44.79 0.00 2.37 1.22 0.02 51.60 11:00:01 PM 3 55.35 0.00 2.01 1.37 0.03 41.23 11:01:01 PM all 12.84 0.00 1.14 0.12 0.02 85.88 11:01:01 PM 0 11.68 0.00 1.04 0.02 0.02 87.25 11:01:01 PM 1 13.47 0.00 1.75 0.32 0.02 84.44 11:01:01 PM 2 15.37 0.00 0.84 0.12 0.02 83.66 11:01:01 PM 3 10.85 0.00 0.93 0.03 0.02 88.17 Average: all 29.63 0.00 2.01 0.70 0.02 67.64 Average: 0 22.76 0.00 1.83 0.42 0.01 74.98 Average: 1 32.50 0.00 2.15 0.93 0.02 64.40 Average: 2 29.11 0.00 1.89 0.68 0.02 68.30 Average: 3 34.14 0.00 2.18 0.79 0.03 62.87