---> uname -a: Linux prd-centos8-docker-4c-4g-1277.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 nrip_save 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 799 12050 19 2911 14623 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:22:aa:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.243/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fe22:aaec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0e:49:a2:5d 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) 07/23/2026 _x86_64_ (4 CPU) 05:26:38 LINUX RESTART (4 CPU) 05:27:01 AM tps rtps wtps bread/s bwrtn/s 05:28:01 AM 205.33 11.06 194.27 2890.77 6839.80 05:29:01 AM 272.25 16.11 256.14 2304.55 21634.69 05:30:01 AM 39.42 0.50 38.92 17.06 2119.19 Average: 172.33 9.23 163.10 1737.43 10197.26 05:27:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:28:01 AM 12995300 15037360 3144012 19.48 2688 2250384 1497824 8.71 152128 2613340 355272 05:29:01 AM 11293792 13677192 4845520 30.02 2688 2584160 3067768 17.85 254444 4163024 48232 05:30:01 AM 12388352 15011904 3750960 23.24 2688 2822960 1173228 6.83 348976 2978600 246304 Average: 12225815 14575485 3913497 24.25 2688 2552501 1912940 11.13 251849 3251655 216603 05:27:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 AM eth0 136.39 88.77 1910.83 26.61 0.00 0.00 0.00 0.00 05:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 AM lo 9.75 9.75 1.95 1.95 0.00 0.00 0.00 0.00 05:29:01 AM eth0 377.17 270.19 4151.46 60.15 0.00 0.00 0.00 0.00 05:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 AM lo 19.48 19.48 4.15 4.15 0.00 0.00 0.00 0.00 05:30:01 AM eth0 54.25 43.19 269.10 23.32 0.00 0.00 0.00 0.00 05:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.74 9.74 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 189.26 134.04 2110.35 36.70 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) 07/23/2026 _x86_64_ (4 CPU) 05:26:38 LINUX RESTART (4 CPU) 05:27:01 AM CPU %user %nice %system %iowait %steal %idle 05:28:01 AM all 20.57 0.00 2.35 0.94 0.08 76.06 05:28:01 AM 0 27.27 0.00 3.00 0.88 0.10 68.75 05:28:01 AM 1 10.49 0.00 1.60 0.38 0.07 87.45 05:28:01 AM 2 21.62 0.00 2.16 0.35 0.07 75.81 05:28:01 AM 3 22.86 0.00 2.64 2.14 0.08 72.27 05:29:01 AM all 57.04 0.00 2.74 1.44 0.12 38.65 05:29:01 AM 0 48.01 0.00 2.89 1.74 0.12 47.24 05:29:01 AM 1 49.95 0.00 4.17 2.07 0.13 43.68 05:29:01 AM 2 63.10 0.00 2.11 1.42 0.12 33.25 05:29:01 AM 3 67.11 0.00 1.79 0.53 0.12 30.45 05:30:01 AM all 14.25 0.00 1.08 0.18 0.06 84.43 05:30:01 AM 0 14.43 0.00 1.24 0.13 0.07 84.14 05:30:01 AM 1 15.28 0.00 1.09 0.22 0.05 83.36 05:30:01 AM 2 15.60 0.00 0.84 0.17 0.05 83.35 05:30:01 AM 3 11.70 0.00 1.17 0.20 0.07 86.86 Average: all 30.61 0.00 2.06 0.85 0.09 66.40 Average: 0 29.89 0.00 2.38 0.92 0.09 66.73 Average: 1 25.23 0.00 2.28 0.89 0.08 71.51 Average: 2 33.42 0.00 1.70 0.65 0.08 64.16 Average: 3 33.89 0.00 1.87 0.96 0.09 63.19