---> uname -a: Linux prd-centos8-docker-8c-8g-14573.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 1019 28264 19 2603 30416 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:5d:ba:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.163/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fe5d:ba6b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b0:0c:d3:8a 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) 08/01/2026 _x86_64_ (8 CPU) 05:17:54 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 365.58 122.64 242.94 13846.45 43031.59 05:20:01 AM 220.88 3.90 216.98 919.69 15776.89 05:21:01 AM 107.13 1.52 105.61 387.87 6926.57 Average: 231.20 42.69 188.51 5051.34 21911.68 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29558176 31229300 3095196 9.48 2688 1995444 1436052 4.26 137968 2530820 190180 05:20:01 AM 27958140 29975172 4695232 14.38 2688 2327760 2729372 8.10 187456 4014704 103960 05:21:01 AM 27325928 29519456 5327444 16.32 2688 2498688 3308180 9.82 239560 4571660 85908 Average: 28280748 30241309 4372624 13.39 2688 2273964 2491201 7.39 188328 3705728 126683 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 443.00 271.59 1786.19 66.45 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 261.55 239.85 2395.88 64.58 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 170.93 140.20 1575.36 31.57 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 291.82 217.22 1919.14 54.20 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) 08/01/2026 _x86_64_ (8 CPU) 05:17:54 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 14.51 0.00 2.88 1.31 0.06 81.24 05:19:01 AM 0 11.54 0.00 3.65 2.76 0.07 81.97 05:19:01 AM 1 30.09 0.00 3.21 0.43 0.08 66.18 05:19:01 AM 2 18.71 0.00 3.27 0.64 0.07 77.32 05:19:01 AM 3 14.29 0.00 2.56 2.16 0.05 80.94 05:19:01 AM 4 18.43 0.00 3.63 2.46 0.07 75.41 05:19:01 AM 5 7.21 0.00 2.48 0.27 0.07 89.98 05:19:01 AM 6 7.04 0.00 2.84 1.54 0.05 88.52 05:19:01 AM 7 8.74 0.00 1.36 0.23 0.05 89.62 05:20:01 AM all 24.36 0.00 1.47 0.61 0.07 73.48 05:20:01 AM 0 28.01 0.00 1.30 0.15 0.08 70.45 05:20:01 AM 1 23.02 0.00 1.64 1.00 0.07 74.28 05:20:01 AM 2 32.36 0.00 2.26 0.43 0.08 64.87 05:20:01 AM 3 26.19 0.00 1.05 0.49 0.07 72.20 05:20:01 AM 4 23.95 0.00 1.90 0.94 0.07 73.15 05:20:01 AM 5 12.50 0.00 1.59 1.07 0.08 84.76 05:20:01 AM 6 31.29 0.00 1.00 0.28 0.07 67.36 05:20:01 AM 7 17.57 0.00 1.00 0.55 0.07 80.81 05:21:01 AM all 43.14 0.00 1.54 0.25 0.10 54.97 05:21:01 AM 0 49.63 0.00 1.54 0.03 0.10 48.70 05:21:01 AM 1 36.18 0.00 1.25 0.10 0.08 62.38 05:21:01 AM 2 42.06 0.00 1.84 0.15 0.10 55.85 05:21:01 AM 3 37.62 0.00 1.44 0.72 0.10 60.12 05:21:01 AM 4 40.74 0.00 1.61 0.38 0.08 57.19 05:21:01 AM 5 39.45 0.00 1.50 0.37 0.10 58.58 05:21:01 AM 6 50.64 0.00 1.52 0.22 0.10 47.52 05:21:01 AM 7 48.81 0.00 1.60 0.03 0.10 49.46 Average: all 27.35 0.00 1.96 0.73 0.08 69.89 Average: 0 29.75 0.00 2.16 0.98 0.08 67.02 Average: 1 29.77 0.00 2.03 0.51 0.08 67.61 Average: 2 31.06 0.00 2.45 0.41 0.08 66.00 Average: 3 26.04 0.00 1.68 1.12 0.07 71.09 Average: 4 27.71 0.00 2.38 1.26 0.07 68.58 Average: 5 19.73 0.00 1.86 0.57 0.08 77.76 Average: 6 29.68 0.00 1.79 0.68 0.07 67.78 Average: 7 25.05 0.00 1.32 0.27 0.07 73.28