---> uname -a: Linux prd-centos8-docker-4c-4g-3572.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: 2800.000 BogoMIPS: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 759 12102 20 2899 14663 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:04:c5:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.167/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe04:c5a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f3:d6:58:08 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) 09/21/2026 _x86_64_ (4 CPU) 01:24:58 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 181.49 14.73 166.76 3100.03 11421.14 01:28:01 AM 178.74 6.26 172.48 1080.31 16720.64 01:29:01 AM 29.46 0.92 28.54 68.24 710.28 Average: 129.90 7.30 122.59 1416.19 9617.36 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 12766968 14865120 3372340 20.90 2688 2304960 1328248 7.73 182924 2789096 222400 01:28:01 AM 11292536 13662704 4846772 30.03 2688 2572024 2662128 15.49 250636 4166624 2392 01:29:01 AM 12436824 15058448 3702484 22.94 2688 2821548 1110792 6.46 522944 2753708 264608 Average: 12165443 14528757 3973865 24.62 2688 2566177 1700389 9.89 318835 3236476 163133 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 169.84 122.79 1971.36 25.06 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 13.05 13.05 3.55 3.55 0.00 0.00 0.00 0.00 01:28:01 AM eth0 333.51 254.98 3714.85 52.25 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 16.23 16.23 2.56 2.56 0.00 0.00 0.00 0.00 01:29:01 AM eth0 61.80 49.95 274.47 30.63 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.76 9.76 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 188.38 142.57 1986.89 35.98 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) 09/21/2026 _x86_64_ (4 CPU) 01:24:58 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 25.36 0.00 2.71 0.96 0.02 70.96 01:27:01 AM 0 14.28 0.00 1.85 0.33 0.02 83.52 01:27:01 AM 1 32.04 0.00 3.41 1.70 0.02 62.84 01:27:01 AM 2 15.17 0.00 1.77 0.67 0.02 82.37 01:27:01 AM 3 39.97 0.00 3.80 1.14 0.02 55.08 01:28:01 AM all 50.56 0.00 2.22 0.89 0.01 46.33 01:28:01 AM 0 59.31 0.00 0.83 0.22 0.02 39.62 01:28:01 AM 1 60.49 0.00 1.02 0.35 0.02 38.12 01:28:01 AM 2 43.30 0.00 3.25 0.74 0.00 52.71 01:28:01 AM 3 39.05 0.00 3.77 2.25 0.02 54.91 01:29:01 AM all 16.47 0.00 1.59 0.13 0.01 81.81 01:29:01 AM 0 10.57 0.00 1.22 0.00 0.00 88.22 01:29:01 AM 1 14.53 0.00 1.57 0.27 0.00 83.63 01:29:01 AM 2 15.90 0.00 1.67 0.08 0.02 82.32 01:29:01 AM 3 24.87 0.00 1.90 0.15 0.02 73.05 Average: all 30.79 0.00 2.17 0.66 0.01 66.37 Average: 0 28.04 0.00 1.30 0.18 0.01 70.46 Average: 1 35.69 0.00 2.00 0.77 0.01 61.53 Average: 2 24.79 0.00 2.23 0.50 0.01 72.47 Average: 3 34.63 0.00 3.16 1.18 0.02 61.02