---> uname -a: Linux prd-centos8-docker-8c-8g-2702.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 31888 1002 28146 19 2739 30437 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:6f:b7:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.166/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86251sec preferred_lft 86251sec inet6 fe80::f816:3eff:fe6f:b702/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:43:05:7d:52 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/22/2026 _x86_64_ (8 CPU) 08:59:41 LINUX RESTART (8 CPU) 09:00:01 AM tps rtps wtps bread/s bwrtn/s 09:01:01 AM 333.21 13.00 320.21 3420.48 10109.91 09:02:01 AM 305.45 13.69 291.75 2083.36 19545.16 Average: 319.33 13.34 305.98 2751.86 14827.93 09:00:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:01:01 AM 29253572 31198052 3399800 10.41 2688 2260972 2048964 6.08 159064 2786368 340224 09:02:01 AM 28830316 31174932 3823056 11.71 2688 2652400 1463620 4.34 419632 2906368 201680 Average: 29041944 31186492 3611428 11.06 2688 2456686 1756292 5.21 289348 2846368 270952 09:00:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:01:01 AM eth0 202.43 137.80 2135.44 34.01 0.00 0.00 0.00 0.00 09:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:02:01 AM eth0 426.90 338.06 5135.74 51.25 0.00 0.00 0.00 0.00 09:02:01 AM 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 314.68 237.94 3635.71 42.63 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/22/2026 _x86_64_ (8 CPU) 08:59:41 LINUX RESTART (8 CPU) 09:00:01 AM CPU %user %nice %system %iowait %steal %idle 09:01:01 AM all 11.16 0.00 1.50 0.70 0.06 86.58 09:01:01 AM 0 5.95 0.00 0.92 0.28 0.07 92.78 09:01:01 AM 1 23.23 0.00 2.50 0.39 0.07 73.82 09:01:01 AM 2 7.42 0.00 0.92 0.22 0.05 91.40 09:01:01 AM 3 7.62 0.00 1.00 0.10 0.07 91.21 09:01:01 AM 4 23.58 0.00 2.25 0.33 0.07 73.77 09:01:01 AM 5 13.08 0.00 1.72 0.95 0.03 84.22 09:01:01 AM 6 2.64 0.00 0.44 0.17 0.08 96.67 09:01:01 AM 7 5.77 0.00 2.27 3.14 0.03 88.78 09:02:01 AM all 21.88 0.00 1.46 0.85 0.07 75.74 09:02:01 AM 0 14.78 0.00 1.86 1.30 0.08 81.98 09:02:01 AM 1 23.97 0.00 1.49 1.10 0.07 73.38 09:02:01 AM 2 23.84 0.00 1.72 1.29 0.08 73.06 09:02:01 AM 3 13.94 0.00 1.24 0.92 0.07 83.83 09:02:01 AM 4 28.62 0.00 1.10 0.28 0.08 69.91 09:02:01 AM 5 31.02 0.00 1.44 0.53 0.07 66.95 09:02:01 AM 6 22.28 0.00 1.44 0.87 0.05 75.37 09:02:01 AM 7 16.56 0.00 1.42 0.48 0.07 81.47 Average: all 16.52 0.00 1.48 0.77 0.06 81.16 Average: 0 10.36 0.00 1.39 0.79 0.08 87.38 Average: 1 23.60 0.00 1.99 0.74 0.07 73.60 Average: 2 15.62 0.00 1.32 0.75 0.07 82.24 Average: 3 10.78 0.00 1.12 0.51 0.07 87.52 Average: 4 26.10 0.00 1.68 0.31 0.08 71.84 Average: 5 22.04 0.00 1.58 0.74 0.05 75.59 Average: 6 12.47 0.00 0.94 0.52 0.07 86.01 Average: 7 11.16 0.00 1.85 1.81 0.05 85.13