---> uname -a: Linux prd-centos8-docker-4c-4g-389.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 776 12180 19 2804 14645 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:e1:34:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.244/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86038sec preferred_lft 86038sec inet6 fe80::f816:3eff:fee1:3411/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9b:09:fa:79 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) 07/17/2026 _x86_64_ (4 CPU) 09:29:41 LINUX RESTART (4 CPU) 09:30:00 AM tps rtps wtps bread/s bwrtn/s 09:30:01 AM 29.19 29.19 0.00 665.84 0.00 09:31:01 AM 205.53 19.91 185.62 5491.79 9447.53 09:32:01 AM 212.95 21.84 191.10 4136.75 16117.86 09:33:01 AM 80.40 0.05 80.35 1.07 9986.22 09:34:01 AM 7.03 0.00 7.03 0.00 318.86 09:35:01 AM 6.15 2.78 3.37 165.04 294.35 Average: 102.03 9.03 93.00 1952.27 7194.58 09:30:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 AM 14091584 15462724 2047736 12.69 2688 1602320 821656 4.78 92768 1661528 21908 09:31:01 AM 13203892 15039948 2935428 18.19 2688 2049984 1136312 6.61 151860 2422320 190848 09:32:01 AM 12070624 14359608 4068696 25.21 2688 2490528 2006076 11.67 234792 3412488 87684 09:33:01 AM 10461920 12946164 5677400 35.18 2688 2683008 2955292 17.19 262912 4981016 3192 09:34:01 AM 9821024 12310060 6318296 39.15 2688 2687656 3848736 22.39 264492 5618428 3504 09:35:01 AM 10712212 13226572 5427108 33.63 2688 2711704 3105704 18.07 280152 4711120 15340 Average: 11726876 13890846 4412444 27.34 2688 2370867 2312296 13.45 214496 3801150 53746 09:30:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM eth0 8.70 13.04 1.20 3.72 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 406.36 232.47 2178.95 73.86 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 245.97 206.60 2778.89 33.88 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 254.76 176.85 2979.45 43.57 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM eth0 274.54 175.07 85.87 86.15 0.00 0.00 0.00 0.00 09:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM lo 6.52 6.52 0.80 0.80 0.00 0.00 0.00 0.00 09:35:01 AM eth0 20.40 18.45 5.05 10.64 0.00 0.00 0.00 0.00 09:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 239.18 161.10 1597.11 49.38 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) 07/17/2026 _x86_64_ (4 CPU) 09:29:41 LINUX RESTART (4 CPU) 09:30:00 AM CPU %user %nice %system %iowait %steal %idle 09:30:01 AM all 96.77 0.00 3.08 0.00 0.15 0.00 09:30:01 AM 0 98.15 0.00 1.85 0.00 0.00 0.00 09:30:01 AM 1 96.30 0.00 3.70 0.00 0.00 0.00 09:30:01 AM 2 96.32 0.00 3.68 0.00 0.00 0.00 09:30:01 AM 3 96.32 0.00 3.07 0.00 0.61 0.00 09:31:01 AM all 22.96 0.00 2.59 1.36 0.08 73.00 09:31:01 AM 0 38.92 0.00 2.77 1.39 0.08 56.84 09:31:01 AM 1 17.50 0.00 2.76 0.85 0.08 78.80 09:31:01 AM 2 25.27 0.00 2.85 2.50 0.08 69.30 09:31:01 AM 3 10.12 0.00 1.98 0.72 0.08 87.10 09:32:01 AM all 47.98 0.00 2.31 1.68 0.12 47.92 09:32:01 AM 0 44.26 0.00 2.61 0.80 0.10 52.23 09:32:01 AM 1 52.30 0.00 3.63 3.43 0.12 40.52 09:32:01 AM 2 43.68 0.00 1.93 1.64 0.13 52.62 09:32:01 AM 3 51.66 0.00 1.09 0.83 0.12 46.30 09:33:01 AM all 56.60 0.00 1.62 0.71 0.09 40.98 09:33:01 AM 0 65.04 0.00 0.87 0.77 0.08 33.24 09:33:01 AM 1 53.01 0.00 1.92 0.37 0.08 44.62 09:33:01 AM 2 45.86 0.00 2.31 0.32 0.10 51.41 09:33:01 AM 3 62.46 0.00 1.40 1.39 0.08 34.67 09:34:01 AM all 16.00 0.00 1.26 0.03 0.10 82.61 09:34:01 AM 0 13.27 0.00 0.95 0.03 0.10 85.65 09:34:01 AM 1 22.79 0.00 1.20 0.00 0.08 75.92 09:34:01 AM 2 13.56 0.00 1.62 0.05 0.12 84.66 09:34:01 AM 3 14.39 0.00 1.29 0.02 0.10 84.21 09:35:01 AM all 52.54 0.00 1.18 0.03 0.09 46.16 09:35:01 AM 0 53.94 0.00 1.05 0.00 0.08 44.92 09:35:01 AM 1 58.49 0.00 1.39 0.03 0.10 39.99 09:35:01 AM 2 43.06 0.00 1.24 0.02 0.08 55.61 09:35:01 AM 3 54.67 0.00 1.03 0.07 0.10 44.13 Average: all 39.53 0.00 1.80 0.76 0.10 57.82 Average: 0 43.38 0.00 1.65 0.59 0.09 54.28 Average: 1 41.12 0.00 2.19 0.93 0.09 55.67 Average: 2 34.62 0.00 2.00 0.90 0.10 62.38 Average: 3 38.99 0.00 1.37 0.60 0.10 58.94