---> uname -a: Linux prd-centos8-docker-8c-8g-11475.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1071 26329 19 4487 30346 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:9f:34:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.35/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe9f:34f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f4:4f:a7:e2 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:f4ff:fe4f:a7e2/64 scope link 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) 06/13/2026 _x86_64_ (8 CPU) 07:31:11 LINUX RESTART (8 CPU) 07:32:02 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 246.56 16.94 229.62 3358.86 13804.24 07:34:01 AM 217.11 2.62 214.50 1045.25 43972.68 07:35:01 AM 194.47 16.58 177.89 5506.16 2700.12 Average: 219.23 12.02 207.21 3303.12 20194.50 07:32:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28893748 30954332 3759624 11.51 2688 2373020 1671560 4.96 197160 3075856 178848 07:34:01 AM 26553728 29742216 6099644 18.68 2688 3482276 2708596 8.04 274956 5263724 5364 07:35:01 AM 26924096 31038964 5729276 17.55 2688 4401388 1543508 4.58 752100 4400428 761656 Average: 27457191 30578504 5196181 15.91 2688 3418895 1974555 5.86 408072 4246669 315289 07:32:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 217.42 184.55 2289.70 50.49 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1732.26 603.03 11289.48 53.26 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM lo 12.81 12.81 1.35 1.35 0.00 0.00 0.00 0.00 07:35:01 AM eth0 125.56 117.29 1705.14 27.41 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.82 5.95 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.29 4.29 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 694.39 302.28 5110.44 43.68 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.99 0.22 0.23 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) 06/13/2026 _x86_64_ (8 CPU) 07:31:11 LINUX RESTART (8 CPU) 07:32:02 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 14.99 0.00 1.49 0.76 0.07 82.69 07:33:01 AM 0 21.72 0.00 2.38 1.65 0.08 74.17 07:33:01 AM 1 11.06 0.00 1.41 1.24 0.08 86.20 07:33:01 AM 2 13.12 0.00 1.04 0.27 0.09 85.49 07:33:01 AM 3 8.91 0.00 1.68 0.87 0.07 88.47 07:33:01 AM 4 35.32 0.00 2.18 0.71 0.07 61.73 07:33:01 AM 5 13.55 0.00 1.24 0.25 0.07 84.88 07:33:01 AM 6 5.98 0.00 0.83 0.42 0.05 92.71 07:33:01 AM 7 10.22 0.00 1.12 0.66 0.08 87.91 07:34:01 AM all 29.20 0.00 2.45 1.07 0.09 67.19 07:34:01 AM 0 19.80 0.00 1.96 0.99 0.13 77.12 07:34:01 AM 1 34.71 0.00 3.00 1.08 0.10 61.11 07:34:01 AM 2 29.06 0.00 2.31 0.93 0.08 67.62 07:34:01 AM 3 15.43 0.00 2.44 1.60 0.08 80.44 07:34:01 AM 4 23.61 0.00 2.63 1.77 0.07 71.92 07:34:01 AM 5 22.75 0.00 2.66 0.88 0.08 73.63 07:34:01 AM 6 43.23 0.00 2.20 0.47 0.08 54.01 07:34:01 AM 7 44.99 0.00 2.42 0.84 0.08 51.66 07:35:01 AM all 24.70 0.53 2.70 0.50 0.08 71.49 07:35:01 AM 0 22.12 0.18 3.29 2.00 0.10 72.31 07:35:01 AM 1 32.75 0.05 3.13 0.12 0.07 63.88 07:35:01 AM 2 28.29 0.30 2.90 0.34 0.08 68.09 07:35:01 AM 3 17.79 0.03 2.73 0.47 0.08 78.89 07:35:01 AM 4 19.80 2.04 2.51 0.12 0.10 75.42 07:35:01 AM 5 27.27 0.02 2.01 0.23 0.07 70.40 07:35:01 AM 6 24.47 1.61 2.24 0.32 0.07 71.29 07:35:01 AM 7 25.07 0.02 2.75 0.45 0.07 71.65 Average: all 22.99 0.18 2.21 0.78 0.08 73.76 Average: 0 21.21 0.06 2.54 1.54 0.11 74.53 Average: 1 26.23 0.02 2.52 0.81 0.08 70.34 Average: 2 23.53 0.10 2.09 0.51 0.08 73.68 Average: 3 14.07 0.01 2.29 0.98 0.08 82.57 Average: 4 26.20 0.69 2.44 0.87 0.08 69.73 Average: 5 21.22 0.01 1.97 0.46 0.07 76.27 Average: 6 24.62 0.54 1.76 0.40 0.07 72.60 Average: 7 26.82 0.01 2.10 0.65 0.08 70.34