---> uname -a: Linux prd-centos8-docker-4c-4g-10116.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 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: 15763 1024 10893 19 3845 14389 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:ee:26:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.57/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86047sec preferred_lft 86047sec inet6 fe80::f816:3eff:feee:26b9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:45:8a:8b:40 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 inet6 fe80::42:45ff:fe8a:8b40/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/13/2026 _x86_64_ (4 CPU) 08:11:36 LINUX RESTART (4 CPU) 08:12:01 AM tps rtps wtps bread/s bwrtn/s 08:13:01 AM 219.44 17.93 201.52 3683.71 5913.46 08:14:01 AM 236.86 5.75 231.12 741.63 14142.18 08:15:01 AM 151.67 2.23 149.43 523.29 27681.96 08:16:01 AM 1145.39 75.95 1069.44 1423.36 29769.94 08:17:01 AM 90.35 42.57 47.78 703.63 2484.02 Average: 368.71 28.88 339.83 1415.10 15997.79 08:12:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:13:01 AM 13288984 15064544 2852548 17.67 2688 1992500 1182996 6.88 178384 2326700 206660 08:14:01 AM 12380168 14501812 3761364 23.30 2688 2326920 1585776 9.22 184060 3174448 183328 08:15:01 AM 11415908 14210912 4725624 29.28 2688 2980208 1783788 10.38 437204 3812772 49592 08:16:01 AM 10223720 13729648 5917812 36.66 2688 3501308 1844660 10.73 484960 4529308 6768 08:17:01 AM 11123820 14697584 5017712 31.09 2688 3563592 1209464 7.04 688748 3429880 38092 Average: 11686520 14440900 4455012 27.60 2688 2872906 1521337 8.85 394671 3454622 96888 08:12:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:13:01 AM eth0 299.22 175.67 1665.52 66.36 0.00 0.00 0.00 0.00 08:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:14:01 AM eth0 313.36 239.75 3802.54 42.00 0.00 0.00 0.00 0.00 08:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 AM lo 6.45 6.45 4.62 4.62 0.00 0.00 0.00 0.00 08:15:01 AM eth0 260.56 185.47 3167.86 1199.83 0.00 0.00 0.00 0.00 08:15:01 AM docker0 3.37 3.23 4.09 0.46 0.00 0.00 0.00 0.00 08:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 AM eth0 145.09 88.45 1057.63 22.09 0.00 0.00 0.00 0.00 08:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 AM eth0 24.39 17.74 48.99 41.20 0.00 0.00 0.00 0.00 08:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 208.53 141.42 1948.60 274.30 0.00 0.00 0.00 0.00 Average: docker0 0.67 0.65 0.82 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/13/2026 _x86_64_ (4 CPU) 08:11:36 LINUX RESTART (4 CPU) 08:12:01 AM CPU %user %nice %system %iowait %steal %idle 08:13:01 AM all 17.60 0.00 2.21 1.82 0.09 78.29 08:13:01 AM 0 17.54 0.00 2.46 0.89 0.12 79.00 08:13:01 AM 1 21.69 0.00 2.56 1.68 0.07 74.00 08:13:01 AM 2 17.48 0.00 1.09 1.00 0.10 80.33 08:13:01 AM 3 13.67 0.00 2.73 3.71 0.08 79.80 08:14:01 AM all 28.35 0.00 2.36 2.72 0.15 66.42 08:14:01 AM 0 28.59 0.00 2.27 1.02 0.22 67.91 08:14:01 AM 1 22.24 0.00 2.31 3.27 0.13 72.05 08:14:01 AM 2 36.37 0.00 2.92 4.29 0.13 56.29 08:14:01 AM 3 26.20 0.00 1.93 2.33 0.12 69.43 08:15:01 AM all 45.82 0.13 4.32 2.53 0.16 47.05 08:15:01 AM 0 46.01 0.05 3.23 1.18 0.13 49.39 08:15:01 AM 1 41.82 0.13 5.46 5.65 0.15 46.78 08:15:01 AM 2 50.86 0.20 4.18 2.34 0.15 42.27 08:15:01 AM 3 44.60 0.13 4.40 0.94 0.19 49.74 08:16:01 AM all 23.80 0.00 11.17 18.40 0.16 46.47 08:16:01 AM 0 21.64 0.00 11.56 17.04 0.17 49.58 08:16:01 AM 1 30.33 0.00 11.70 15.99 0.15 41.84 08:16:01 AM 2 19.43 0.00 10.60 19.80 0.17 50.00 08:16:01 AM 3 23.84 0.00 10.82 20.75 0.15 44.44 08:17:01 AM all 40.71 0.00 2.01 0.75 0.13 56.39 08:17:01 AM 0 30.08 0.00 1.75 0.90 0.12 67.15 08:17:01 AM 1 49.44 0.00 2.11 0.52 0.15 47.78 08:17:01 AM 2 37.64 0.00 2.09 0.79 0.13 59.35 08:17:01 AM 3 45.71 0.00 2.09 0.79 0.13 51.27 Average: all 31.26 0.03 4.39 5.20 0.14 58.98 Average: 0 28.77 0.01 4.23 4.17 0.15 62.67 Average: 1 33.10 0.03 4.81 5.38 0.13 56.55 Average: 2 32.37 0.04 4.16 5.61 0.14 57.69 Average: 3 30.82 0.03 4.37 5.66 0.13 58.99