---> uname -a: Linux prd-centos8-docker-8c-8g-1919.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 1045 27224 19 3620 30384 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:32:16:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.23/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe32:16d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:54:3d:c8:ac 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::42:54ff:fe3d:c8ac/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) 12/28/2025 _x86_64_ (8 CPU) 17:11:28 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 218.78 14.61 204.17 3204.67 10666.09 05:14:01 PM 476.82 4.77 472.06 1164.95 15944.32 05:15:01 PM 238.27 2.40 235.87 473.98 41971.81 Average: 311.30 7.26 304.04 1614.44 22861.42 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29336292 31251368 3319412 10.16 2688 2230964 1972628 5.85 184508 2671384 172128 05:14:01 PM 27876836 30210256 4778868 14.63 2688 2640016 2215812 6.57 395792 3876180 197380 05:15:01 PM 27799912 31047316 4855792 14.87 2688 3543332 1592716 4.73 646752 3666012 171976 Average: 28337680 30836313 4318024 13.22 2688 2804771 1927052 5.72 409017 3404525 180495 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 196.23 169.27 2294.41 47.02 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 435.80 382.91 5859.02 54.47 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 505.71 431.66 5974.79 1259.57 0.00 0.00 0.00 0.00 05:15:01 PM docker0 5.98 14.35 0.47 243.69 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 379.26 327.95 4709.54 453.71 0.00 0.00 0.00 0.00 Average: docker0 1.99 4.78 0.16 81.23 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) 12/28/2025 _x86_64_ (8 CPU) 17:11:28 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 13.45 0.00 1.20 0.69 0.06 84.60 05:13:01 PM 0 12.75 0.00 0.95 0.47 0.07 85.76 05:13:01 PM 1 11.45 0.00 1.45 1.02 0.07 86.01 05:13:01 PM 2 9.51 0.00 0.99 0.65 0.08 88.77 05:13:01 PM 3 7.59 0.00 1.19 1.37 0.05 89.80 05:13:01 PM 4 6.91 0.00 0.57 0.89 0.07 91.57 05:13:01 PM 5 14.20 0.00 1.17 0.28 0.03 84.32 05:13:01 PM 6 10.19 0.00 0.55 0.25 0.03 88.98 05:13:01 PM 7 34.97 0.00 2.74 0.58 0.05 61.66 05:14:01 PM all 30.15 0.00 1.79 1.29 0.09 66.68 05:14:01 PM 0 28.88 0.00 2.13 0.96 0.08 67.94 05:14:01 PM 1 28.11 0.00 2.25 3.07 0.07 66.50 05:14:01 PM 2 22.78 0.00 1.49 0.52 0.08 75.12 05:14:01 PM 3 30.55 0.00 1.02 0.15 0.08 68.20 05:14:01 PM 4 38.28 0.00 1.89 1.12 0.12 58.58 05:14:01 PM 5 30.28 0.00 1.26 0.75 0.10 67.61 05:14:01 PM 6 23.37 0.00 1.34 1.24 0.08 73.96 05:14:01 PM 7 38.93 0.00 2.97 2.52 0.08 55.50 05:15:01 PM all 17.93 0.00 2.87 1.07 0.08 78.06 05:15:01 PM 0 7.30 0.00 2.48 0.37 0.10 89.75 05:15:01 PM 1 20.65 0.00 3.51 2.00 0.10 73.73 05:15:01 PM 2 31.23 0.00 3.29 1.26 0.08 64.13 05:15:01 PM 3 24.56 0.00 2.82 1.09 0.07 71.47 05:15:01 PM 4 14.79 0.00 3.32 2.11 0.07 79.70 05:15:01 PM 5 20.06 0.00 2.48 0.32 0.07 77.07 05:15:01 PM 6 14.91 0.00 2.50 0.92 0.07 81.59 05:15:01 PM 7 9.93 0.00 2.52 0.49 0.08 86.98 Average: all 20.50 0.00 1.95 1.02 0.07 76.46 Average: 0 16.30 0.00 1.85 0.60 0.08 81.17 Average: 1 20.06 0.00 2.40 2.03 0.08 75.43 Average: 2 21.16 0.00 1.92 0.81 0.08 76.03 Average: 3 20.89 0.00 1.67 0.87 0.07 76.50 Average: 4 19.99 0.00 1.93 1.37 0.08 76.63 Average: 5 21.50 0.00 1.64 0.45 0.07 76.34 Average: 6 16.15 0.00 1.46 0.80 0.06 81.52 Average: 7 27.96 0.00 2.74 1.20 0.07 68.03