---> uname -a: Linux prd-centos8-docker-8c-8g-1303.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 1047 27213 19 3629 30383 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:b7:6d:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.21/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:feb7:6d94/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8c:b2:c0:a7 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::42:8cff:feb2:c0a7/64 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) 03/03/2026 _x86_64_ (8 CPU) 17:11:31 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 151.87 19.09 132.77 3794.20 9452.75 05:14:01 PM 461.55 4.98 456.57 1168.35 14868.68 05:15:01 PM 265.61 2.48 263.13 463.18 45244.20 Average: 293.02 8.85 284.17 1808.54 23188.08 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29205308 31071848 3450404 10.57 2688 2185144 1844604 5.47 153212 2847260 183724 05:14:01 PM 27990232 30310132 4665480 14.29 2688 2627844 2114676 6.27 268616 3894724 266968 05:15:01 PM 26588240 29758824 6067472 18.58 2688 3467504 2591988 7.69 634828 4885644 74952 Average: 27927927 30380268 4727785 14.48 2688 2760164 2183756 6.48 352219 3875876 175215 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 144.94 115.43 1624.31 32.70 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 510.31 439.35 6416.36 61.04 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 524.26 432.26 6276.04 1272.49 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.18 14.01 0.53 256.96 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 393.17 329.02 4772.33 455.39 0.00 0.00 0.00 0.00 Average: docker0 2.39 4.67 0.18 85.65 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) 03/03/2026 _x86_64_ (8 CPU) 17:11:31 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 11.55 0.00 1.06 0.58 0.06 86.74 05:13:01 PM 0 2.77 0.00 0.35 0.20 0.07 96.61 05:13:01 PM 1 8.52 0.00 1.05 0.92 0.08 89.42 05:13:01 PM 2 17.88 0.00 1.84 1.02 0.05 79.21 05:13:01 PM 3 10.35 0.00 0.67 0.50 0.07 88.41 05:13:01 PM 4 5.43 0.00 0.68 0.52 0.05 93.32 05:13:01 PM 5 27.68 0.00 2.19 0.35 0.07 69.71 05:13:01 PM 6 6.77 0.00 0.62 0.17 0.03 92.41 05:13:01 PM 7 12.99 0.00 1.10 1.00 0.07 84.84 05:14:01 PM all 27.54 0.00 1.82 1.59 0.13 68.91 05:14:01 PM 0 35.89 0.00 1.10 0.87 0.15 61.99 05:14:01 PM 1 20.40 0.00 2.25 2.57 0.13 74.65 05:14:01 PM 2 26.57 0.00 3.28 4.25 0.15 65.75 05:14:01 PM 3 18.17 0.00 1.53 0.80 0.12 79.38 05:14:01 PM 4 34.77 0.00 2.40 1.54 0.13 61.15 05:14:01 PM 5 23.25 0.00 1.41 1.22 0.13 73.99 05:14:01 PM 6 30.99 0.00 1.47 1.01 0.12 66.42 05:14:01 PM 7 30.25 0.00 1.17 0.47 0.12 67.99 05:15:01 PM all 19.79 0.00 2.75 2.13 0.11 75.23 05:15:01 PM 0 21.37 0.00 2.17 0.64 0.13 75.68 05:15:01 PM 1 13.71 0.00 2.79 2.59 0.10 80.80 05:15:01 PM 2 25.48 0.00 2.68 4.46 0.10 67.28 05:15:01 PM 3 30.78 0.00 2.81 1.75 0.12 64.55 05:15:01 PM 4 17.66 0.00 2.81 2.14 0.10 77.28 05:15:01 PM 5 20.84 0.00 3.68 3.54 0.12 71.83 05:15:01 PM 6 13.71 0.00 2.02 0.67 0.08 83.52 05:15:01 PM 7 14.74 0.00 3.05 1.21 0.10 80.90 Average: all 19.62 0.00 1.88 1.43 0.10 76.98 Average: 0 20.01 0.00 1.21 0.57 0.12 78.10 Average: 1 14.20 0.00 2.03 2.02 0.11 81.64 Average: 2 23.30 0.00 2.60 3.24 0.10 70.77 Average: 3 19.74 0.00 1.67 1.02 0.10 77.47 Average: 4 19.27 0.00 1.96 1.40 0.10 77.27 Average: 5 23.93 0.00 2.42 1.70 0.11 71.84 Average: 6 17.15 0.00 1.37 0.61 0.08 80.79 Average: 7 19.33 0.00 1.77 0.89 0.10 77.91