---> uname -a: Linux prd-centos8-docker-8c-8g-3771.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 1027 28110 19 2752 30413 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:fa:16:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.170/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86205sec preferred_lft 86205sec inet6 fe80::f816:3eff:fefa:16e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:80:be:31:c1 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) 04/20/2026 _x86_64_ (8 CPU) 13:38:49 LINUX RESTART (8 CPU) 01:39:01 PM tps rtps wtps bread/s bwrtn/s 01:40:01 PM 359.61 28.03 331.58 7143.09 10606.87 01:41:01 PM 276.44 19.46 256.98 4306.43 17026.36 01:42:01 PM 118.31 0.75 117.56 134.62 10276.17 Average: 251.45 16.08 235.37 3861.20 12636.58 01:39:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:40:01 PM 29451600 31189344 3204112 9.81 2688 2057532 1448792 4.30 157076 2605716 223276 01:41:01 PM 27389436 29655472 5266276 16.13 2688 2577004 2705424 8.03 258712 4513864 185948 01:42:01 PM 28775672 31131020 3880040 11.88 2688 2662056 1479664 4.39 473076 2905612 23180 Average: 28538903 30658612 4116809 12.61 2688 2432197 1877960 5.57 296288 3341731 144135 01:39:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM eth0 439.39 284.30 2050.86 77.81 0.00 0.00 0.00 0.00 01:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 PM eth0 427.77 336.17 5687.29 54.30 0.00 0.00 0.00 0.00 01:41:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:01 PM eth0 152.72 129.09 1021.00 34.31 0.00 0.00 0.00 0.00 01:42:01 PM docker0 0.00 0.00 0.00 0.00 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 339.96 249.85 2919.76 55.47 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) 04/20/2026 _x86_64_ (8 CPU) 13:38:49 LINUX RESTART (8 CPU) 01:39:01 PM CPU %user %nice %system %iowait %steal %idle 01:40:01 PM all 14.99 0.00 2.16 0.69 0.06 82.10 01:40:01 PM 0 8.83 0.00 1.37 0.12 0.08 89.60 01:40:01 PM 1 18.64 0.00 2.83 0.32 0.07 78.15 01:40:01 PM 2 16.59 0.00 2.12 0.69 0.07 80.53 01:40:01 PM 3 18.81 0.00 1.94 0.50 0.07 78.68 01:40:01 PM 4 11.56 0.00 3.40 2.76 0.08 82.20 01:40:01 PM 5 17.93 0.00 2.31 0.22 0.05 79.50 01:40:01 PM 6 9.99 0.00 1.92 0.53 0.03 87.52 01:40:01 PM 7 17.59 0.00 1.42 0.37 0.05 80.57 01:41:01 PM all 31.50 0.00 1.43 0.86 0.09 66.12 01:41:01 PM 0 32.49 0.00 2.35 1.36 0.10 63.71 01:41:01 PM 1 40.52 0.00 1.74 1.34 0.10 56.30 01:41:01 PM 2 38.66 0.00 1.20 0.37 0.10 59.66 01:41:01 PM 3 16.88 0.00 1.00 0.60 0.08 81.43 01:41:01 PM 4 35.74 0.00 0.90 0.25 0.07 63.04 01:41:01 PM 5 31.82 0.00 1.37 0.67 0.10 66.04 01:41:01 PM 6 28.16 0.00 1.50 1.72 0.10 68.51 01:41:01 PM 7 27.76 0.00 1.35 0.57 0.08 70.24 01:42:01 PM all 26.38 0.00 1.22 0.27 0.07 72.07 01:42:01 PM 0 19.22 0.00 1.44 0.12 0.08 79.14 01:42:01 PM 1 32.07 0.00 0.85 0.17 0.10 66.81 01:42:01 PM 2 37.48 0.00 1.44 0.25 0.05 60.78 01:42:01 PM 3 21.68 0.00 0.85 0.07 0.07 77.34 01:42:01 PM 4 32.77 0.00 1.70 0.45 0.07 65.02 01:42:01 PM 5 13.95 0.00 0.99 0.40 0.05 84.61 01:42:01 PM 6 25.17 0.00 1.52 0.12 0.05 73.15 01:42:01 PM 7 28.67 0.00 0.97 0.57 0.07 69.73 Average: all 24.29 0.00 1.60 0.60 0.07 73.43 Average: 0 20.17 0.00 1.72 0.53 0.09 77.49 Average: 1 30.42 0.00 1.81 0.61 0.09 67.08 Average: 2 30.91 0.00 1.59 0.43 0.07 66.99 Average: 3 19.12 0.00 1.26 0.39 0.07 79.15 Average: 4 26.69 0.00 2.00 1.15 0.07 70.08 Average: 5 21.23 0.00 1.55 0.43 0.07 76.72 Average: 6 21.11 0.00 1.65 0.79 0.06 76.39 Average: 7 24.67 0.00 1.25 0.50 0.07 73.51