---> uname -a: Linux prd-centos8-docker-8c-8g-4757.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: 2800.000 BogoMIPS: 5600.00 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 1012 28267 19 2607 30424 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:cc:b3:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.214/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fecc:b3e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:89:26:53:40 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) 07/03/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 129.05 1.63 127.42 293.65 9806.61 05:20:01 AM 185.47 2.37 183.11 640.21 12361.84 05:21:01 AM 91.72 1.63 90.09 393.87 6536.54 Average: 135.45 1.88 133.58 443.43 9567.14 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29374772 31258660 3278600 10.04 2688 2200872 1431716 4.25 149148 2672944 245608 05:20:01 AM 27385480 29422440 5267892 16.13 2688 2346616 3464492 10.28 211076 4558060 58940 05:21:01 AM 28950196 31146740 3703176 11.34 2688 2501556 1506672 4.47 243204 2949848 48764 Average: 28570149 30609280 4083223 12.50 2688 2349681 2134293 6.33 201143 3393617 117771 05:18:02 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 165.34 118.23 1709.99 35.15 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 219.01 201.00 1655.98 45.93 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 152.10 135.70 1552.81 34.55 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 178.90 151.84 1639.20 38.56 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) 07/03/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 7.58 0.00 0.87 0.30 0.04 91.20 05:19:01 AM 0 19.96 0.00 1.24 0.92 0.07 77.82 05:19:01 AM 1 1.49 0.00 0.48 0.46 0.03 97.54 05:19:01 AM 2 13.93 0.00 1.66 0.12 0.05 84.23 05:19:01 AM 3 0.70 0.00 0.70 0.60 0.05 97.96 05:19:01 AM 4 12.53 0.00 1.51 0.20 0.03 85.72 05:19:01 AM 5 5.97 0.00 0.58 0.08 0.03 93.33 05:19:01 AM 6 0.73 0.00 0.15 0.00 0.05 99.07 05:19:01 AM 7 5.31 0.00 0.68 0.05 0.03 93.93 05:20:01 AM all 34.30 0.00 1.51 0.51 0.09 63.59 05:20:01 AM 0 37.56 0.00 1.14 0.74 0.10 60.47 05:20:01 AM 1 46.81 0.00 1.39 0.27 0.10 51.43 05:20:01 AM 2 44.82 0.00 2.07 0.50 0.10 52.51 05:20:01 AM 3 16.64 0.00 1.29 0.89 0.08 81.10 05:20:01 AM 4 32.46 0.00 2.35 0.97 0.08 64.14 05:20:01 AM 5 38.92 0.00 1.10 0.22 0.08 59.68 05:20:01 AM 6 33.31 0.00 1.30 0.18 0.07 65.14 05:20:01 AM 7 23.87 0.00 1.46 0.35 0.10 74.23 05:21:01 AM all 38.16 0.00 1.69 0.24 0.09 59.82 05:21:01 AM 0 34.80 0.00 1.72 0.18 0.08 63.21 05:21:01 AM 1 38.09 0.00 1.42 0.57 0.10 59.82 05:21:01 AM 2 41.74 0.00 2.24 0.15 0.08 55.78 05:21:01 AM 3 38.17 0.00 1.90 0.38 0.08 59.46 05:21:01 AM 4 36.76 0.00 1.64 0.17 0.08 61.35 05:21:01 AM 5 33.19 0.00 1.65 0.20 0.10 64.85 05:21:01 AM 6 46.94 0.00 1.34 0.07 0.12 51.54 05:21:01 AM 7 35.55 0.00 1.57 0.22 0.08 62.58 Average: all 26.78 0.00 1.36 0.35 0.08 71.43 Average: 0 30.83 0.00 1.37 0.61 0.08 67.11 Average: 1 28.94 0.00 1.10 0.43 0.08 69.46 Average: 2 33.60 0.00 1.99 0.26 0.08 64.07 Average: 3 18.61 0.00 1.30 0.62 0.07 79.40 Average: 4 27.32 0.00 1.83 0.45 0.07 70.33 Average: 5 26.13 0.00 1.11 0.17 0.07 72.51 Average: 6 27.13 0.00 0.94 0.08 0.08 71.77 Average: 7 21.65 0.00 1.24 0.21 0.07 76.83