---> uname -a: Linux prd-centos8-docker-8c-8g-12306.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 1082 26968 19 3837 30340 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:42:ee:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.1/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe42:ee01/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a4:6c:8b:64 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:a4ff:fe6c:8b64/64 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) 08/14/2026 _x86_64_ (8 CPU) 03:37:22 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 183.77 14.48 169.29 3222.53 10865.59 03:40:01 AM 498.02 4.85 493.17 1168.41 18420.53 03:41:01 AM 277.02 3.05 273.98 460.25 46133.07 Average: 319.61 7.46 312.15 1616.97 25140.52 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28775872 30810972 3877500 11.87 2688 2349852 1819608 5.40 164776 3242548 265180 03:40:01 AM 27425248 29873152 5228124 16.01 2688 2753312 2543192 7.55 274700 4438944 216560 03:41:01 AM 27658696 31100300 4994676 15.30 2688 3733004 1511348 4.48 651760 3780008 127212 Average: 27953272 30594808 4700100 14.39 2688 2945389 1958049 5.81 363745 3820500 202984 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 223.76 179.22 2639.72 45.93 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 459.48 391.12 5776.34 54.65 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 562.31 478.36 7140.09 1370.72 0.00 0.00 0.00 0.00 03:41:01 AM docker0 10.25 14.43 0.61 308.35 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 415.20 349.58 5185.53 490.46 0.00 0.00 0.00 0.00 Average: docker0 3.42 4.81 0.20 102.79 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) 08/14/2026 _x86_64_ (8 CPU) 03:37:22 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 11.79 0.00 1.12 0.48 0.06 86.55 03:39:01 AM 0 4.06 0.00 0.89 0.70 0.05 94.30 03:39:01 AM 1 28.72 0.00 2.29 0.48 0.08 68.43 03:39:01 AM 2 20.17 0.00 1.49 0.62 0.05 77.68 03:39:01 AM 3 9.12 0.00 0.87 0.84 0.07 89.11 03:39:01 AM 4 3.08 0.00 0.64 0.20 0.05 96.04 03:39:01 AM 5 11.46 0.00 1.10 0.17 0.07 87.20 03:39:01 AM 6 9.37 0.00 0.99 0.62 0.03 88.99 03:39:01 AM 7 8.36 0.00 0.67 0.25 0.07 90.65 03:40:01 AM all 26.84 0.00 1.65 1.10 0.09 70.32 03:40:01 AM 0 22.66 0.00 1.52 0.67 0.08 75.06 03:40:01 AM 1 14.99 0.00 0.92 0.28 0.07 83.73 03:40:01 AM 2 34.39 0.00 1.52 0.48 0.10 63.51 03:40:01 AM 3 35.02 0.00 1.93 1.26 0.10 61.70 03:40:01 AM 4 27.32 0.00 1.89 1.51 0.10 69.18 03:40:01 AM 5 29.65 0.00 1.37 0.40 0.08 68.49 03:40:01 AM 6 30.43 0.00 1.59 0.69 0.12 67.17 03:40:01 AM 7 20.22 0.00 2.43 3.54 0.08 73.73 03:41:01 AM all 17.61 0.00 2.94 0.84 0.08 78.53 03:41:01 AM 0 15.84 0.00 2.58 0.34 0.10 81.14 03:41:01 AM 1 14.64 0.00 3.00 1.68 0.10 80.58 03:41:01 AM 2 25.84 0.00 4.41 1.41 0.08 68.25 03:41:01 AM 3 17.98 0.00 2.27 0.45 0.07 79.23 03:41:01 AM 4 11.61 0.00 2.91 1.40 0.07 84.02 03:41:01 AM 5 23.60 0.00 2.47 0.25 0.08 73.59 03:41:01 AM 6 19.98 0.00 3.31 0.96 0.08 75.66 03:41:01 AM 7 11.38 0.00 2.56 0.27 0.07 85.73 Average: all 18.74 0.00 1.90 0.81 0.08 78.47 Average: 0 14.18 0.00 1.66 0.57 0.08 83.51 Average: 1 19.47 0.00 2.07 0.82 0.08 77.57 Average: 2 26.80 0.00 2.47 0.84 0.08 69.82 Average: 3 20.71 0.00 1.69 0.85 0.08 76.68 Average: 4 14.00 0.00 1.81 1.03 0.07 83.08 Average: 5 21.56 0.00 1.65 0.27 0.08 76.44 Average: 6 19.92 0.00 1.96 0.75 0.08 77.29 Average: 7 13.32 0.00 1.88 1.35 0.07 83.37