---> uname -a: Linux prd-centos8-docker-8c-8g-5761.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 1013 28276 19 2598 30423 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:22:f1:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.197/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe22:f1a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:de:87:8b:8d 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) 06/01/2026 _x86_64_ (8 CPU) 05:18:02 LINUX RESTART (8 CPU) 05:19:02 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 168.21 2.88 165.33 369.91 15445.56 05:21:01 AM 138.80 2.55 136.25 941.42 5236.77 05:22:01 AM 79.27 2.83 76.44 130.24 6437.93 Average: 128.55 2.75 125.79 481.16 9004.46 05:19:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28670912 30597116 3982460 12.20 2688 2239740 2197724 6.52 167848 3333152 43344 05:21:01 AM 27712616 29862272 4940756 15.13 2688 2456164 2551004 7.57 231508 4200624 113692 05:22:01 AM 28957780 31155632 3695592 11.32 2688 2502128 1470160 4.36 423392 2761704 24240 Average: 28447103 30538340 4206269 12.88 2688 2399344 2072963 6.15 274249 3431827 60425 05:19:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 193.00 166.72 1570.70 52.91 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 239.69 194.12 2224.70 43.03 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 173.15 164.89 356.58 173.51 0.00 0.00 0.00 0.00 05:22:01 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 202.00 175.29 1383.01 90.02 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) 06/01/2026 _x86_64_ (8 CPU) 05:18:02 LINUX RESTART (8 CPU) 05:19:02 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 16.31 0.00 1.26 0.45 0.08 81.91 05:20:01 AM 0 16.96 0.00 0.63 0.03 0.08 82.29 05:20:01 AM 1 24.07 0.00 1.19 0.49 0.07 74.18 05:20:01 AM 2 18.97 0.00 1.79 1.19 0.07 77.98 05:20:01 AM 3 11.39 0.00 1.38 0.60 0.07 86.57 05:20:01 AM 4 16.51 0.00 1.18 0.24 0.10 81.97 05:20:01 AM 5 15.96 0.00 2.38 0.24 0.09 81.34 05:20:01 AM 6 5.63 0.00 0.68 0.19 0.05 93.45 05:20:01 AM 7 20.98 0.00 0.85 0.59 0.08 77.49 05:21:01 AM all 44.14 0.00 1.50 0.28 0.13 53.95 05:21:01 AM 0 48.58 0.00 1.95 0.45 0.15 48.86 05:21:01 AM 1 46.25 0.00 1.19 0.35 0.12 52.10 05:21:01 AM 2 38.63 0.00 1.75 0.47 0.13 59.02 05:21:01 AM 3 26.09 0.00 1.00 0.12 0.10 72.69 05:21:01 AM 4 41.00 0.00 1.14 0.10 0.12 57.65 05:21:01 AM 5 54.85 0.00 1.44 0.40 0.15 43.16 05:21:01 AM 6 47.44 0.00 1.69 0.10 0.13 50.64 05:21:01 AM 7 50.32 0.00 1.82 0.23 0.12 47.51 05:22:01 AM all 24.93 0.00 1.45 0.17 0.08 73.37 05:22:01 AM 0 19.99 0.00 1.49 0.07 0.08 78.37 05:22:01 AM 1 31.54 0.00 1.62 0.20 0.10 66.54 05:22:01 AM 2 25.54 0.00 1.45 0.10 0.08 72.82 05:22:01 AM 3 27.06 0.00 0.99 0.07 0.08 71.81 05:22:01 AM 4 24.08 0.00 1.49 0.17 0.07 74.20 05:22:01 AM 5 32.06 0.00 1.74 0.25 0.08 65.86 05:22:01 AM 6 14.24 0.00 1.05 0.18 0.07 84.45 05:22:01 AM 7 24.91 0.00 1.77 0.35 0.08 72.89 Average: all 28.53 0.00 1.40 0.30 0.10 69.67 Average: 0 28.57 0.00 1.36 0.18 0.11 69.78 Average: 1 34.01 0.00 1.33 0.35 0.10 64.22 Average: 2 27.76 0.00 1.66 0.58 0.10 69.89 Average: 3 21.57 0.00 1.12 0.26 0.08 76.97 Average: 4 27.26 0.00 1.27 0.17 0.10 71.21 Average: 5 34.39 0.00 1.85 0.30 0.11 63.35 Average: 6 22.53 0.00 1.14 0.16 0.08 76.08 Average: 7 32.13 0.00 1.48 0.39 0.10 65.90