---> uname -a: Linux prd-centos8-docker-8c-8g-3364.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1118 26474 19 4296 30305 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:ba:ca:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.26/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:feba:caa1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1c:c0:d0:f5 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::42:1cff:fec0:d0f5/64 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) 03/20/2026 _x86_64_ (8 CPU) 02:28:40 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 284.39 20.66 263.73 4116.89 7234.96 02:31:01 AM 277.27 6.03 271.24 1189.20 20007.30 02:32:01 AM 143.30 15.01 128.29 5408.86 31088.05 Average: 234.99 13.90 221.09 3571.65 19443.44 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29226676 31054148 3429036 10.50 2688 2146524 1585500 4.70 153496 2830552 233212 02:31:01 AM 27481980 29719968 5173732 15.84 2688 2549104 2627932 7.80 268764 4414260 85252 02:32:01 AM 26267292 30083640 6388420 19.56 2688 4107788 2186680 6.49 736144 5090664 614016 Average: 27658649 30285919 4997063 15.30 2688 2934472 2133371 6.33 386135 4111825 310827 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 162.15 120.74 1497.13 42.69 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 469.99 357.46 5871.15 50.08 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.86 11.86 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1212.45 359.31 7763.21 37.71 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.28 5.41 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.95 3.95 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 614.86 279.17 5043.83 43.49 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.80 0.20 0.21 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) 03/20/2026 _x86_64_ (8 CPU) 02:28:40 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 12.30 0.00 1.33 0.60 0.05 85.71 02:30:01 AM 0 11.50 0.00 1.44 0.45 0.05 86.56 02:30:01 AM 1 19.06 0.00 2.20 0.47 0.07 78.20 02:30:01 AM 2 15.49 0.00 2.39 2.78 0.07 79.27 02:30:01 AM 3 3.00 0.00 0.64 0.03 0.08 96.25 02:30:01 AM 4 10.55 0.00 0.60 0.07 0.03 88.74 02:30:01 AM 5 6.25 0.00 0.85 0.57 0.05 92.28 02:30:01 AM 6 20.33 0.00 1.80 0.30 0.05 77.51 02:30:01 AM 7 12.20 0.00 0.75 0.15 0.03 86.86 02:31:01 AM all 32.05 0.00 1.45 0.84 0.09 65.58 02:31:01 AM 0 27.19 0.00 1.59 0.82 0.08 70.32 02:31:01 AM 1 34.55 0.00 1.42 0.85 0.08 63.09 02:31:01 AM 2 45.64 0.00 1.10 0.57 0.08 52.60 02:31:01 AM 3 21.58 0.00 1.76 0.95 0.08 75.63 02:31:01 AM 4 23.21 0.00 1.40 0.85 0.08 74.45 02:31:01 AM 5 44.07 0.00 2.13 1.51 0.10 52.20 02:31:01 AM 6 23.00 0.00 0.94 0.37 0.08 75.61 02:31:01 AM 7 37.18 0.00 1.24 0.77 0.08 60.73 02:32:01 AM all 20.63 0.27 3.63 0.63 0.08 74.75 02:32:01 AM 0 26.80 0.00 3.66 1.08 0.08 68.38 02:32:01 AM 1 18.71 0.02 3.37 0.71 0.07 77.12 02:32:01 AM 2 20.55 0.05 4.53 0.90 0.08 73.89 02:32:01 AM 3 25.00 0.00 3.55 0.24 0.08 71.13 02:32:01 AM 4 15.90 0.03 3.71 0.39 0.10 79.87 02:32:01 AM 5 19.04 0.02 3.82 0.64 0.07 76.42 02:32:01 AM 6 17.50 0.02 2.99 0.55 0.08 78.85 02:32:01 AM 7 21.58 2.02 3.46 0.56 0.07 72.32 Average: all 21.66 0.09 2.13 0.69 0.07 75.35 Average: 0 21.81 0.00 2.22 0.78 0.07 75.11 Average: 1 24.12 0.01 2.33 0.68 0.07 72.79 Average: 2 27.26 0.02 2.67 1.42 0.08 68.57 Average: 3 16.50 0.00 1.97 0.41 0.08 81.03 Average: 4 16.55 0.01 1.90 0.44 0.07 81.03 Average: 5 23.11 0.01 2.26 0.91 0.07 73.64 Average: 6 20.28 0.01 1.91 0.41 0.07 77.32 Average: 7 23.65 0.67 1.81 0.49 0.06 73.32