---> uname -a: Linux prd-centos8-docker-8c-8g-3856.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: 2799.974 BogoMIPS: 5599.94 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 1067 27066 19 3755 30359 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:e7:d5:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.49/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fee7:d5e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1a:d5:ee:42 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::42:1aff:fed5:ee42/64 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) 04/05/2026 _x86_64_ (8 CPU) 03:38:03 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 217.46 14.58 202.88 3363.71 13010.45 03:41:01 AM 366.38 4.82 361.56 1166.01 12679.49 03:42:01 AM 262.88 2.95 259.93 460.11 44993.29 Average: 282.24 7.45 274.80 1663.18 23561.66 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 29183776 31153348 3471936 10.63 2688 2285596 1586952 4.71 193780 2811344 81632 03:41:01 AM 27934404 30302208 4721308 14.46 2688 2675512 2199696 6.53 392184 3825292 183864 03:42:01 AM 26418064 29719660 6237648 19.10 2688 3594876 2610804 7.75 650692 5029764 66712 Average: 27845415 30391739 4810297 14.73 2688 2851995 2132484 6.33 412219 3888800 110736 03:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 205.50 176.70 2035.52 47.06 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 432.91 364.70 5595.39 49.36 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 517.18 410.30 7120.71 795.44 0.00 0.00 0.00 0.00 03:42:01 AM docker0 14.43 21.23 0.80 308.49 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 385.20 317.24 4917.37 297.30 0.00 0.00 0.00 0.00 Average: docker0 4.81 7.08 0.27 102.84 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) 04/05/2026 _x86_64_ (8 CPU) 03:38:03 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 12.35 0.00 1.18 2.28 0.06 84.12 03:40:01 AM 0 7.64 0.00 0.92 1.99 0.05 89.40 03:40:01 AM 1 18.73 0.00 1.99 4.21 0.08 74.98 03:40:01 AM 2 9.33 0.00 0.82 1.76 0.07 88.03 03:40:01 AM 3 18.63 0.00 1.52 3.04 0.07 76.74 03:40:01 AM 4 16.08 0.00 1.45 2.52 0.03 79.91 03:40:01 AM 5 1.56 0.00 0.65 0.94 0.07 96.79 03:40:01 AM 6 13.29 0.00 1.17 1.05 0.05 84.44 03:40:01 AM 7 13.51 0.00 0.95 2.74 0.07 82.73 03:41:01 AM all 26.89 0.00 1.61 2.25 0.08 69.16 03:41:01 AM 0 17.46 0.00 1.52 2.48 0.08 78.45 03:41:01 AM 1 27.20 0.00 1.69 1.69 0.08 69.33 03:41:01 AM 2 25.08 0.00 1.88 2.28 0.08 70.68 03:41:01 AM 3 28.36 0.00 1.10 1.39 0.08 69.06 03:41:01 AM 4 34.06 0.00 1.88 5.30 0.10 58.65 03:41:01 AM 5 28.58 0.00 1.95 3.14 0.08 66.25 03:41:01 AM 6 23.15 0.00 1.61 1.22 0.08 73.94 03:41:01 AM 7 31.28 0.00 1.22 0.52 0.07 66.92 03:42:01 AM all 15.98 0.00 3.08 2.12 0.07 78.74 03:42:01 AM 0 10.89 0.00 3.06 0.79 0.08 85.17 03:42:01 AM 1 11.87 0.00 3.43 3.61 0.07 81.02 03:42:01 AM 2 27.13 0.00 2.62 1.65 0.08 68.52 03:42:01 AM 3 20.38 0.00 3.44 2.70 0.07 73.40 03:42:01 AM 4 13.26 0.00 3.33 1.95 0.07 81.38 03:42:01 AM 5 13.57 0.00 2.39 0.34 0.07 83.63 03:42:01 AM 6 14.82 0.00 2.91 1.43 0.07 80.78 03:42:01 AM 7 15.92 0.00 3.46 4.50 0.08 76.03 Average: all 18.41 0.00 1.96 2.22 0.07 77.35 Average: 0 12.00 0.00 1.83 1.75 0.07 84.35 Average: 1 19.28 0.00 2.37 3.17 0.08 75.10 Average: 2 20.50 0.00 1.77 1.90 0.08 75.75 Average: 3 22.46 0.00 2.02 2.38 0.07 73.07 Average: 4 21.13 0.00 2.22 3.26 0.07 73.32 Average: 5 14.56 0.00 1.66 1.47 0.07 82.24 Average: 6 17.08 0.00 1.89 1.23 0.07 79.72 Average: 7 20.24 0.00 1.88 2.58 0.07 75.23