---> uname -a: Linux prd-centos8-docker-8c-8g-1376.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 996 28441 19 2452 30444 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:9e:a5:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.84/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe9e:a5ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a7:02:ee:10 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/04/2026 _x86_64_ (8 CPU) 05:17:25 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 166.41 2.87 163.55 345.48 10508.91 05:20:01 AM 197.35 2.50 194.85 950.35 8926.21 05:21:01 AM 73.36 2.00 71.36 90.10 6354.33 Average: 145.71 2.45 143.25 461.98 8596.48 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28447808 30210312 4207896 12.89 2688 2080360 2808136 8.33 156140 3591316 121592 05:20:01 AM 27170804 29163752 5484900 16.80 2688 2303020 3220768 9.56 223828 4763136 109824 05:21:01 AM 29101140 31150900 3554564 10.88 2688 2356752 1436964 4.26 410160 2645588 27928 Average: 28239917 30174988 4415787 13.52 2688 2246711 2488623 7.38 263376 3666680 86448 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 170.73 149.83 1594.20 47.00 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 225.96 197.32 2429.64 38.01 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 157.31 158.98 346.03 169.92 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 184.67 168.71 1456.63 84.98 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/04/2026 _x86_64_ (8 CPU) 05:17:25 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 12.74 0.00 1.16 0.39 0.06 85.64 05:19:01 AM 0 14.20 0.00 0.73 0.17 0.05 84.85 05:19:01 AM 1 6.42 0.00 1.47 0.20 0.07 91.85 05:19:01 AM 2 10.19 0.00 0.93 0.37 0.07 88.44 05:19:01 AM 3 21.66 0.00 1.14 0.12 0.08 77.00 05:19:01 AM 4 26.38 0.00 2.30 0.77 0.03 70.52 05:19:01 AM 5 13.39 0.00 1.25 0.33 0.03 84.99 05:19:01 AM 6 5.95 0.00 0.99 0.79 0.07 92.21 05:19:01 AM 7 3.72 0.00 0.48 0.40 0.08 95.31 05:20:01 AM all 42.07 0.00 1.61 0.47 0.09 55.76 05:20:01 AM 0 35.14 0.00 1.85 0.65 0.10 62.25 05:20:01 AM 1 35.57 0.00 1.35 0.48 0.08 62.51 05:20:01 AM 2 30.05 0.00 1.39 0.50 0.08 67.98 05:20:01 AM 3 48.78 0.00 2.10 0.79 0.08 48.25 05:20:01 AM 4 37.55 0.00 2.15 0.82 0.08 59.39 05:20:01 AM 5 49.71 0.00 1.67 0.18 0.10 48.34 05:20:01 AM 6 50.60 0.00 0.97 0.28 0.08 48.06 05:20:01 AM 7 49.14 0.00 1.37 0.08 0.08 49.32 05:21:01 AM all 28.31 0.00 1.53 0.17 0.08 69.93 05:21:01 AM 0 26.24 0.00 1.67 0.12 0.08 71.89 05:21:01 AM 1 26.06 0.00 1.12 0.10 0.08 72.64 05:21:01 AM 2 28.42 0.00 1.86 0.42 0.08 69.22 05:21:01 AM 3 39.24 0.00 2.19 0.18 0.07 58.32 05:21:01 AM 4 22.83 0.00 1.44 0.28 0.08 75.37 05:21:01 AM 5 30.71 0.00 1.32 0.05 0.07 67.86 05:21:01 AM 6 23.57 0.00 1.39 0.15 0.07 74.82 05:21:01 AM 7 29.38 0.00 1.24 0.03 0.07 69.29 Average: all 27.70 0.00 1.43 0.34 0.07 70.45 Average: 0 25.19 0.00 1.42 0.31 0.08 73.00 Average: 1 22.69 0.00 1.31 0.26 0.08 75.66 Average: 2 22.88 0.00 1.39 0.43 0.08 75.22 Average: 3 36.56 0.00 1.81 0.36 0.08 61.19 Average: 4 28.92 0.00 1.96 0.62 0.07 68.43 Average: 5 31.27 0.00 1.41 0.19 0.07 67.06 Average: 6 26.71 0.00 1.12 0.41 0.07 71.70 Average: 7 27.41 0.00 1.03 0.17 0.08 71.31