---> uname -a: Linux prd-centos8-docker-8c-8g-1681.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 31890 1071 27144 19 3674 30358 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:d5:54:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.58/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fed5:54fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:00:0f:fd:be 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:ff:fe0f:fdbe/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/14/2026 _x86_64_ (8 CPU) 17:11:45 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 233.21 14.51 218.69 3223.99 13540.67 05:15:01 PM 377.69 6.50 371.19 1212.06 13434.93 05:16:01 PM 171.98 3.35 168.63 528.76 39727.87 Average: 260.95 8.12 252.83 1654.96 22234.98 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28787356 30822864 3868356 11.85 2688 2349204 1821936 5.41 201516 3191120 136320 05:15:01 PM 27529668 30065392 5126044 15.70 2688 2839560 2234808 6.63 413236 4193656 283688 05:16:01 PM 27825724 31115244 4829988 14.79 2688 3585856 1501248 4.45 817884 3468756 165016 Average: 28047583 30667833 4608129 14.11 2688 2924873 1852664 5.50 477545 3617844 195008 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 300.67 246.37 2922.65 58.56 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 630.11 493.98 7214.77 66.75 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 388.75 360.36 3659.75 2380.14 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.58 15.38 0.55 257.72 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 439.83 366.90 4598.91 835.19 0.00 0.00 0.00 0.00 Average: docker0 2.53 5.13 0.18 85.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/14/2026 _x86_64_ (8 CPU) 17:11:45 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 14.23 0.00 1.24 1.47 0.08 82.97 05:14:01 PM 0 14.61 0.00 0.55 0.77 0.05 84.02 05:14:01 PM 1 25.21 0.00 1.45 2.31 0.10 70.92 05:14:01 PM 2 9.94 0.00 2.04 2.06 0.08 85.87 05:14:01 PM 3 12.72 0.00 1.44 3.73 0.08 82.03 05:14:01 PM 4 11.84 0.00 1.27 1.34 0.07 85.48 05:14:01 PM 5 13.12 0.00 0.79 0.37 0.08 85.64 05:14:01 PM 6 18.89 0.00 1.47 0.35 0.08 79.21 05:14:01 PM 7 7.53 0.00 0.92 0.87 0.07 90.61 05:15:01 PM all 28.48 0.00 1.86 1.27 0.10 68.29 05:15:01 PM 0 35.50 0.00 1.32 0.08 0.10 62.99 05:15:01 PM 1 27.01 0.00 2.16 1.27 0.10 69.45 05:15:01 PM 2 30.92 0.00 2.19 1.34 0.10 65.45 05:15:01 PM 3 19.04 0.00 2.22 2.79 0.10 75.85 05:15:01 PM 4 29.05 0.00 1.59 0.90 0.10 68.35 05:15:01 PM 5 23.53 0.00 1.51 0.91 0.10 73.95 05:15:01 PM 6 38.72 0.00 2.63 1.71 0.12 56.82 05:15:01 PM 7 24.01 0.00 1.26 1.16 0.10 73.47 05:16:01 PM all 16.58 0.00 2.60 0.96 0.08 79.78 05:16:01 PM 0 12.48 0.00 2.50 0.35 0.08 84.58 05:16:01 PM 1 8.26 0.00 2.45 2.01 0.07 87.21 05:16:01 PM 2 20.88 0.00 3.25 2.06 0.08 73.72 05:16:01 PM 3 7.27 0.00 2.74 0.13 0.07 89.80 05:16:01 PM 4 24.45 0.00 1.99 0.15 0.08 73.32 05:16:01 PM 5 20.51 0.00 2.89 0.69 0.07 75.84 05:16:01 PM 6 18.21 0.00 2.57 1.13 0.10 77.99 05:16:01 PM 7 20.56 0.00 2.42 1.19 0.07 75.76 Average: all 19.76 0.00 1.90 1.24 0.09 77.02 Average: 0 20.86 0.00 1.46 0.40 0.08 77.20 Average: 1 20.17 0.00 2.02 1.86 0.09 75.86 Average: 2 20.58 0.00 2.50 1.82 0.09 75.02 Average: 3 13.01 0.00 2.13 2.22 0.08 82.56 Average: 4 21.77 0.00 1.62 0.80 0.08 75.73 Average: 5 19.05 0.00 1.73 0.65 0.08 78.49 Average: 6 25.28 0.00 2.22 1.06 0.10 71.33 Average: 7 17.35 0.00 1.53 1.07 0.08 79.96