---> uname -a: Linux prd-centos8-docker-4c-4g-5002.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 766 12093 20 2901 14656 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:94:a9:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.8/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86091sec preferred_lft 86091sec inet6 fe80::f816:3eff:fe94:a92a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1b:bc:ea:44 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) 11/02/2026 _x86_64_ (4 CPU) 11:06:28 LINUX RESTART (4 CPU) 11:07:01 AM tps rtps wtps bread/s bwrtn/s 11:08:01 AM 187.32 31.11 156.21 4739.22 26038.89 11:09:01 AM 106.41 1.15 105.26 269.24 10228.06 11:10:01 AM 222.51 19.38 203.13 3907.29 9478.72 11:11:01 AM 55.86 1.97 53.90 104.23 8282.02 Average: 143.04 13.40 129.64 2255.27 13506.25 11:07:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:08:01 AM 13539788 15106080 2599520 16.11 2688 1793876 1129840 6.57 137360 2145576 41932 11:09:01 AM 13130704 15111876 3008604 18.64 2688 2190252 1071716 6.24 144304 2475404 188540 11:10:01 AM 11457412 13827872 4681896 29.01 2688 2571748 2349908 13.67 247716 4005040 226824 11:11:01 AM 12383556 15006016 3755752 23.27 2688 2821632 1178556 6.86 353132 2973340 263812 Average: 12627865 14762961 3511443 21.76 2688 2344377 1432505 8.33 220628 2899840 180277 11:07:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:08:01 AM eth0 319.18 180.07 994.54 66.55 0.00 0.00 0.00 0.00 11:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:09:01 AM eth0 101.58 66.41 1530.20 15.05 0.00 0.00 0.00 0.00 11:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 AM lo 1.98 1.98 0.19 0.19 0.00 0.00 0.00 0.00 11:10:01 AM eth0 365.98 305.84 4136.03 79.21 0.00 0.00 0.00 0.00 11:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 AM lo 29.52 29.52 8.08 8.08 0.00 0.00 0.00 0.00 11:11:01 AM eth0 63.71 53.75 267.73 29.24 0.00 0.00 0.00 0.00 11:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.88 7.88 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 212.64 151.55 1732.52 47.52 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) 11/02/2026 _x86_64_ (4 CPU) 11:06:28 LINUX RESTART (4 CPU) 11:07:01 AM CPU %user %nice %system %iowait %steal %idle 11:08:01 AM all 13.23 0.00 2.27 1.50 0.01 82.99 11:08:01 AM 0 11.87 0.00 2.22 1.92 0.00 83.99 11:08:01 AM 1 10.22 0.00 1.50 0.20 0.00 88.08 11:08:01 AM 2 18.39 0.00 2.93 1.09 0.02 77.58 11:08:01 AM 3 12.46 0.00 2.41 2.78 0.02 82.33 11:09:01 AM all 12.77 0.00 1.45 0.51 0.01 85.26 11:09:01 AM 0 9.29 0.00 1.47 0.72 0.02 88.51 11:09:01 AM 1 6.42 0.00 0.87 0.40 0.00 92.31 11:09:01 AM 2 3.74 0.00 0.94 0.47 0.02 94.84 11:09:01 AM 3 31.65 0.00 2.52 0.45 0.02 65.36 11:10:01 AM all 48.94 0.00 2.70 1.18 0.03 47.15 11:10:01 AM 0 53.32 0.00 1.90 0.93 0.03 43.81 11:10:01 AM 1 37.52 0.00 3.04 0.65 0.02 58.77 11:10:01 AM 2 52.22 0.00 2.54 0.94 0.03 44.27 11:10:01 AM 3 52.70 0.00 3.30 2.19 0.03 41.77 11:11:01 AM all 23.78 0.00 1.64 0.42 0.02 74.14 11:11:01 AM 0 23.44 0.00 1.44 0.02 0.02 75.09 11:11:01 AM 1 15.52 0.00 1.35 0.73 0.02 82.38 11:11:01 AM 2 31.88 0.00 1.92 0.10 0.02 66.08 11:11:01 AM 3 24.28 0.00 1.86 0.84 0.02 73.01 Average: all 24.68 0.00 2.01 0.90 0.02 72.39 Average: 0 24.48 0.00 1.76 0.90 0.02 72.85 Average: 1 17.41 0.00 1.69 0.50 0.01 80.39 Average: 2 26.55 0.00 2.08 0.65 0.02 70.71 Average: 3 30.28 0.00 2.52 1.56 0.02 65.62