---> uname -a: Linux prd-centos8-docker-8c-8g-17331.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: 2799.974 BogoMIPS: 5599.94 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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1083 26319 19 4484 30335 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:00:86:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.87/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fe00:860b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:86:17:b4:e2 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::42:86ff:fe17:b4e2/64 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) 06/18/2026 _x86_64_ (8 CPU) 07:31:06 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 231.29 16.69 214.60 3198.13 14412.26 07:34:01 AM 179.82 2.60 177.22 1044.49 17193.37 07:35:01 AM 233.35 16.66 216.69 5551.22 29127.17 Average: 214.82 11.98 202.84 3264.87 20244.93 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28889956 30940780 3763416 11.53 2688 2364428 1654268 4.91 194120 3085604 168688 07:34:01 AM 26472364 29703484 6181008 18.93 2688 3530680 2794264 8.29 274136 5372096 837604 07:35:01 AM 26988772 31089324 5664600 17.35 2688 4387832 1518476 4.51 741840 4348856 746784 Average: 27450364 30577863 5203008 15.93 2688 3427647 1989003 5.90 403365 4268852 584359 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 215.58 168.24 2202.70 46.33 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1778.02 600.85 11346.82 55.92 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM lo 12.76 12.76 1.34 1.34 0.00 0.00 0.00 0.00 07:35:01 AM eth0 146.16 137.93 1718.88 38.28 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.78 5.85 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.25 4.25 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 713.16 302.32 5088.93 46.84 0.00 0.00 0.00 0.00 Average: docker0 1.59 1.95 0.22 0.23 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) 06/18/2026 _x86_64_ (8 CPU) 07:31:06 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 15.19 0.00 1.57 0.66 0.06 82.52 07:33:01 AM 0 8.72 0.00 1.10 0.20 0.07 89.91 07:33:01 AM 1 14.68 0.00 1.84 1.32 0.08 82.08 07:33:01 AM 2 23.79 0.00 1.82 0.50 0.07 73.82 07:33:01 AM 3 19.64 0.00 1.32 0.40 0.05 78.59 07:33:01 AM 4 9.94 0.00 1.45 0.77 0.03 87.80 07:33:01 AM 5 16.31 0.00 1.97 1.05 0.08 80.58 07:33:01 AM 6 24.04 0.00 2.18 0.89 0.07 72.83 07:33:01 AM 7 4.43 0.00 0.85 0.17 0.05 94.50 07:34:01 AM all 28.97 0.00 1.93 0.62 0.09 68.39 07:34:01 AM 0 35.22 0.00 1.86 0.74 0.08 62.09 07:34:01 AM 1 30.91 0.00 1.84 0.47 0.08 66.69 07:34:01 AM 2 23.47 0.00 1.92 0.76 0.08 73.77 07:34:01 AM 3 37.06 0.00 2.17 1.29 0.10 59.38 07:34:01 AM 4 31.02 0.00 1.64 0.39 0.10 66.85 07:34:01 AM 5 35.31 0.00 2.51 1.03 0.08 61.07 07:34:01 AM 6 27.92 0.00 1.80 0.12 0.08 70.08 07:34:01 AM 7 10.83 0.00 1.71 0.20 0.07 87.19 07:35:01 AM all 24.77 0.29 2.93 1.09 0.09 70.83 07:35:01 AM 0 21.74 0.05 3.29 2.18 0.10 72.64 07:35:01 AM 1 26.44 0.00 2.48 1.36 0.08 69.64 07:35:01 AM 2 21.32 0.03 3.24 1.63 0.08 73.70 07:35:01 AM 3 29.25 0.30 2.75 1.22 0.07 66.41 07:35:01 AM 4 26.83 0.05 3.59 0.45 0.08 68.99 07:35:01 AM 5 21.13 0.02 2.94 0.84 0.10 74.97 07:35:01 AM 6 29.01 1.81 2.58 0.94 0.08 65.57 07:35:01 AM 7 22.48 0.05 2.55 0.12 0.08 74.72 Average: all 22.97 0.10 2.14 0.79 0.08 73.93 Average: 0 21.87 0.02 2.08 1.04 0.08 74.90 Average: 1 23.99 0.00 2.05 1.05 0.08 72.82 Average: 2 22.86 0.01 2.33 0.96 0.08 73.76 Average: 3 28.63 0.10 2.08 0.97 0.07 68.15 Average: 4 22.58 0.02 2.23 0.54 0.07 74.57 Average: 5 24.23 0.01 2.47 0.97 0.09 72.23 Average: 6 26.99 0.60 2.19 0.65 0.08 69.50 Average: 7 12.57 0.02 1.70 0.16 0.07 85.48