---> uname -a: Linux prd-centos8-docker-8c-8g-14163.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1061 27058 19 3767 30364 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:09:02:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.104/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fe09:2ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a8:75:5a:76 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:a8ff:fe75:5a76/64 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) 07/15/2026 _x86_64_ (8 CPU) 17:11:57 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 218.21 14.60 203.62 3227.20 15852.87 05:15:01 PM 414.86 4.77 410.10 1165.14 12639.14 05:16:01 PM 219.79 3.50 216.29 478.03 41106.00 Average: 284.28 7.62 276.66 1623.33 23201.33 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28941972 31025996 3711400 11.37 2688 2396812 1849548 5.49 196080 3031160 92752 05:15:01 PM 27472084 29956572 5181288 15.87 2688 2788132 2403892 7.13 400888 4259776 173376 05:16:01 PM 27704092 31087616 4949280 15.16 2688 3677252 1535504 4.56 642836 3752400 166156 Average: 28039383 30690061 4613989 14.13 2688 2954065 1929648 5.73 413268 3681112 144095 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 289.67 233.14 2480.70 53.64 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 465.39 385.62 5587.41 51.88 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 589.87 520.79 5996.23 2392.94 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.95 15.56 0.57 260.26 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 448.33 379.87 4688.26 832.99 0.00 0.00 0.00 0.00 Average: docker0 2.65 5.19 0.19 86.77 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) 07/15/2026 _x86_64_ (8 CPU) 17:11:57 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 13.09 0.00 1.11 0.66 0.06 85.08 05:14:01 PM 0 11.40 0.00 0.70 0.72 0.07 87.11 05:14:01 PM 1 26.12 0.00 2.21 1.29 0.07 70.31 05:14:01 PM 2 12.21 0.00 1.27 0.75 0.05 85.71 05:14:01 PM 3 9.84 0.00 0.94 0.64 0.07 88.52 05:14:01 PM 4 14.93 0.00 1.22 0.60 0.07 83.18 05:14:01 PM 5 10.45 0.00 0.80 0.60 0.05 88.09 05:14:01 PM 6 5.70 0.00 0.89 0.58 0.05 92.78 05:14:01 PM 7 14.07 0.00 0.89 0.10 0.05 84.90 05:15:01 PM all 25.73 0.00 1.55 0.90 0.08 71.74 05:15:01 PM 0 35.94 0.00 1.36 0.47 0.08 62.15 05:15:01 PM 1 20.99 0.00 1.84 1.07 0.08 76.01 05:15:01 PM 2 25.40 0.00 2.00 1.73 0.10 70.77 05:15:01 PM 3 26.94 0.00 1.76 1.47 0.08 69.74 05:15:01 PM 4 27.76 0.00 1.26 0.94 0.08 69.96 05:15:01 PM 5 29.50 0.00 1.31 0.45 0.08 68.66 05:15:01 PM 6 18.38 0.00 1.47 0.59 0.07 79.49 05:15:01 PM 7 20.90 0.00 1.42 0.45 0.08 77.14 05:16:01 PM all 16.89 0.00 2.33 0.72 0.08 79.98 05:16:01 PM 0 20.59 0.00 2.03 1.04 0.08 76.26 05:16:01 PM 1 8.91 0.00 1.77 0.39 0.07 88.86 05:16:01 PM 2 13.96 0.00 2.77 0.76 0.08 82.43 05:16:01 PM 3 26.29 0.00 3.71 1.01 0.07 68.93 05:16:01 PM 4 21.54 0.00 1.61 0.27 0.07 76.52 05:16:01 PM 5 19.45 0.00 2.52 1.80 0.10 76.14 05:16:01 PM 6 6.33 0.00 1.58 0.18 0.07 91.84 05:16:01 PM 7 18.07 0.00 2.63 0.35 0.07 78.88 Average: all 18.57 0.00 1.66 0.76 0.07 78.94 Average: 0 22.64 0.00 1.36 0.74 0.08 75.18 Average: 1 18.68 0.00 1.94 0.92 0.07 78.39 Average: 2 17.19 0.00 2.01 1.08 0.08 79.64 Average: 3 21.01 0.00 2.13 1.04 0.07 75.74 Average: 4 21.40 0.00 1.36 0.60 0.07 76.56 Average: 5 19.78 0.00 1.54 0.95 0.08 77.65 Average: 6 10.14 0.00 1.31 0.45 0.06 88.04 Average: 7 17.67 0.00 1.65 0.30 0.07 80.31