---> uname -a: Linux prd-centos8-docker-4c-4g-1167.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 769 12087 20 2904 14653 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:96:af:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.0/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86175sec preferred_lft 86175sec inet6 fe80::f816:3eff:fe96:af67/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c5:50:7a:9e 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) 10/13/2026 _x86_64_ (4 CPU) 07:38:52 LINUX RESTART (4 CPU) 07:39:01 AM tps rtps wtps bread/s bwrtn/s 07:40:01 AM 367.92 166.63 201.28 14893.89 42687.22 07:41:01 AM 274.07 18.72 255.35 4038.64 16009.39 07:42:01 AM 65.12 2.88 62.24 252.49 8860.82 Average: 235.72 62.75 172.97 6395.56 22520.30 07:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 AM 13333444 15119516 2805872 17.39 2688 2002324 1132892 6.59 137952 2312472 196484 07:41:01 AM 11828844 14194416 4310472 26.71 2688 2567432 2023504 11.77 222444 3664452 248760 07:42:01 AM 12373956 14991148 3765360 23.33 2688 2817272 1180788 6.87 351572 2986756 247424 Average: 12512081 14768360 3627235 22.47 2688 2462343 1445728 8.41 237323 2987893 230889 07:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 AM eth0 362.45 220.71 1824.27 70.54 0.00 0.00 0.00 0.00 07:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:41:01 AM eth0 379.50 310.73 4879.47 83.01 0.00 0.00 0.00 0.00 07:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:42:01 AM lo 32.11 32.11 8.33 8.33 0.00 0.00 0.00 0.00 07:42:01 AM eth0 83.95 62.46 291.57 46.42 0.00 0.00 0.00 0.00 07:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.70 10.70 2.78 2.78 0.00 0.00 0.00 0.00 Average: eth0 275.33 197.98 2332.14 66.66 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) 10/13/2026 _x86_64_ (4 CPU) 07:38:52 LINUX RESTART (4 CPU) 07:39:01 AM CPU %user %nice %system %iowait %steal %idle 07:40:01 AM all 26.62 0.02 5.25 4.25 0.04 63.81 07:40:01 AM 0 16.55 0.00 6.42 5.93 0.05 71.05 07:40:01 AM 1 35.76 0.00 5.44 4.02 0.05 54.74 07:40:01 AM 2 27.96 0.00 3.85 4.02 0.03 64.14 07:40:01 AM 3 26.21 0.07 5.31 3.05 0.02 65.35 07:41:01 AM all 38.36 0.00 3.18 1.40 0.03 57.03 07:41:01 AM 0 37.49 0.00 3.12 1.50 0.02 57.87 07:41:01 AM 1 34.47 0.00 3.31 1.44 0.02 60.77 07:41:01 AM 2 47.49 0.00 2.69 0.85 0.03 48.93 07:41:01 AM 3 33.98 0.00 3.62 1.81 0.05 60.54 07:42:01 AM all 39.06 0.00 1.83 0.31 0.03 58.77 07:42:01 AM 0 42.82 0.00 1.10 0.00 0.02 56.06 07:42:01 AM 1 44.33 0.00 2.41 0.23 0.05 52.98 07:42:01 AM 2 26.73 0.00 1.69 0.54 0.02 71.03 07:42:01 AM 3 42.35 0.00 2.12 0.45 0.03 55.04 Average: all 34.69 0.01 3.42 1.98 0.03 59.87 Average: 0 32.31 0.00 3.54 2.47 0.03 61.65 Average: 1 38.19 0.00 3.72 1.89 0.04 56.16 Average: 2 34.07 0.00 2.74 1.80 0.03 61.36 Average: 3 34.19 0.02 3.68 1.77 0.03 60.31